Individual Healthcare Provider
Christopher Mark Buttarazzi, MD
Provider's NPPES record last updated: January 30, 2026
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1124448196
- Primary Specialty
- Psychiatry & Neurology — Addiction Psychiatry
- Practice Location
- Portland, Maine
- Sole Proprietor
- No
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 19, 2026, 9:18 PM 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
Psychiatry & Neurology
Addiction Psychiatry
Allopathic & Osteopathic Physicians
Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.
Taxonomy code 2084P0802X Psychiatry & Neurology
Psychiatry
Allopathic & Osteopathic Physicians
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Taxonomy code 2084P0800X
Provider-Reported License Information
- Psychiatry & Neurology (Maine)
- MD23032
- Psychiatry & Neurology (Maine)
- MD23032
Practice Locations
Practice Location
165 Lancaster St
Portland, Maine 04101-2406
Phone: (207) 874-1030
Additional Practice Location
235 Main St
Biddeford, Maine 04005-2411
Phone: (207) 283-7660
Fax: (207) 283-7664
Additional Practice Location
216 Vaughan St
Portland, Maine 04102-3204
Phone: (207) 662-4480
Fax: (207) 662-3262
Additional Practice Location
254 Western Ave
South Portland, Maine 04106-2410
Phone: (207) 661-0440
Fax: (207) 661-0444
Additional Practice Location
12 Union St
Rockland, Maine 04841-2739
Phone: (844) 292-0111
Fax: (207) 701-4487
Additional Practice Location
123 Andover Rd
Westbrook, Maine 04092-3848
Phone: (207) 761-2200
Fax: (207) 761-2108
Record Information
- Enumeration Date
- April 17, 2014
- Provider's NPPES Record Last Updated
- January 30, 2026
- Certification Date
- January 30, 2026
- NPISignal NPPES Dataset
- August 2026
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