Individual Healthcare Provider
Christopher Guzman
Provider's NPPES record last updated: September 3, 2024
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1093540775
- Primary Specialty
- Military Health Care Provider
- Practice Location
- Washington, District of Columbia
- Sole Proprietor
- Yes
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 18, 2026, 2:33 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Military Health Care Provider
Other Service Providers
Active duty military health care providers not otherwise classified who need to be separately identified for operational, clinical, or administrative processes.
Taxonomy code 171000000X Behavior Analyst
Behavioral Health & Social Service Providers
A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.
Taxonomy code 103K00000XPsychologist
Forensic
Behavioral Health & Social Service Providers
A psychologist whose specialty is characterized by activities primarily intended to provide professional psychological expertise within the judicial and legal systems.
Taxonomy code 103TF0200XSocial Worker
Behavioral Health & Social Service Providers
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
Taxonomy code 104100000XDentist
Dental Providers
A dentist is a person qualified by a doctorate in dental surgery (D.D.S.) or dental medicine (D.M.D.), licensed by the state to practice dentistry, and practicing within the scope of that license. There is no difference between the two degrees: dentists who have a DMD or DDS have the same education. Universities have the prerogative to determine what degree is awarded. Both degrees use the same curriculum requirements set by the American Dental Association's Commission on Dental Accreditation. Generally, three or more years of undergraduate education plus four years of dental school is required to graduate and become a general dentist. State licensing boards accept either degree as equivalent, and both degrees allow licensed individuals to practice the same scope of general dentistry. Additional post-graduate training is required to become a dental specialist.
Taxonomy code 122300000XNutritionist
Dietary & Nutritional Service Providers
A specialist in adapting and applying food and nutrient knowledge to the solution of food and nutritional problems, the control of disease, and the promotion of health. Nutritionists perform research, instruct groups and individuals about nutritional requirements, and assist people in developing meal patterns that meet their nutritional needs; (2) A nutritionist is someone who has completed undergraduate and/or graduate training in the discipline of nutrition without necessarily meeting the academic and experience requirements to qualify for the Registered Dietitian designation.
Taxonomy code 133N00000XEmergency Medical Technician, Paramedic
Emergency Medical Service Providers
An EMT, Paramedic is an individual trained and certified to perform advanced life support (ALS) in medical emergencies based on individual state boards.
Taxonomy code 146L00000XOptometrist
Eye and Vision Services Providers
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
Taxonomy code 152W00000XContractor
Other Service Providers
For the purposes of the Health Care Provider Taxonomy, a contractor is limited to individuals who do construction or mechanical work to modify a patient's environment to accommodate a health condition. Contractors perform projects including, but not limited to, building wheelchair ramps, widening doorways, modifying personal vehicles, and making other improvements for patient access and movement. This code has no relation to a provider's employment status.
Taxonomy code 171W00000XSpecialist
Research Study
Other Service Providers
Definition to come...
Taxonomy code 1744R1102XEmergency Medicine
Allopathic & Osteopathic Physicians
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Taxonomy code 207P00000XFamily Medicine
Allopathic & Osteopathic Physicians
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Taxonomy code 207Q00000XNuclear Medicine
Allopathic & Osteopathic Physicians
A nuclear medicine specialist employs the properties of radioactive atoms and molecules in the diagnosis and treatment of disease and in research. Radiation detection and imaging instrument systems are used to detect disease as it changes the function and metabolism of normal cells, tissues and organs. A wide variety of diseases can be found in this way, usually before the structure of the organ involved by the disease can be seen to be abnormal by any other techniques. Early detection of coronary artery disease (including acute heart attack), early cancer detection and evaluation of the effect of tumor treatment, diagnosis of infection and inflammation anywhere in the body and early detection of blood clot in the lungs are all possible with these techniques. Unique forms of radioactive molecules can attack and kill cancer cells (e.g., lymphoma, thyroid cancer) or can relieve the severe pain of cancer that has spread to bone
Taxonomy code 207U00000XMassage Therapist
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
An individual trained in the manipulation of tissues (as by rubbing, stroking, kneading, or tapping) with the hand or an instrument for remedial or hygienic purposes.
Taxonomy code 225700000XPrevention Professional
Other Service Providers
Prevention Professionals work in programs aimed to address specific patient needs, such as suicide prevention, violence prevention, alcohol avoidance, drug avoidance, and tobacco prevention. The goal of the program is to reduce the risk of relapse, injury, or re-injury of the patient. Prevention Professionals work in a variety of settings and provide appropriate case management, mediation, referral, and mentorship services. Individuals complete prevention professionals training for the population of patients with whom they work.
Taxonomy code 405300000X
Provider-Reported License Information
- Military Health Care Provider (District of Columbia)
- 0000
- Behavior Analyst (District of Columbia)
- 0000
- Psychologist (District of Columbia)
- 0000
- Social Worker (District of Columbia)
- 00000
- Dentist (District of Columbia)
- 0000
- Nutritionist (District of Columbia)
- 00000
- Emergency Medical Technician, Paramedic (District of Columbia)
- 0000
- Optometrist (District of Columbia)
- 0000
- Contractor (District of Columbia)
- 0000
- Specialist (District of Columbia)
- 0000
- Emergency Medicine (District of Columbia)
- 00000
- Family Medicine (District of Columbia)
- 0000
- Nuclear Medicine (District of Columbia)
- 0000
- Massage Therapist (District of Columbia)
- 0000
- Prevention Professional (District of Columbia)
- 0000
Practice Locations
Practice Location
712 H St Ne # 8889
Washington, District of Columbia 20002-3627
Phone: (202) 809-6882
Record Information
- Enumeration Date
- September 3, 2024
- Provider's NPPES Record Last Updated
- September 3, 2024
- Certification Date
- September 3, 2024
- NPISignal NPPES Dataset
- August 2026
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