Individual Healthcare Provider
Mark Asef, M.D.
Provider's NPPES record last updated: August 9, 2022
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1225561673
- Primary Specialty
- Internal Medicine — Nephrology
- Practice Location
- Highland, California
- 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 20, 2026, 5:16 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
Internal Medicine
Nephrology
Allopathic & Osteopathic Physicians
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Taxonomy code 207RN0300X Student in an Organized Health Care Education/Training Program
Student, Health Care
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Taxonomy code 390200000X
Provider-Reported License Information
- Internal Medicine (California)
- A165100
Practice Locations
Practice Location
7223 Church St Ste A20
Highland, California 92346-5812
Phone: (909) 882-0702
Additional Practice Location
17234 Valley Blvd
Fontana, California 92335
Phone: (909) 427-5000
Additional Practice Location
22555 Alessandro Blvd Ste B
Moreno Valley, California 92553-8533
Phone: (951) 656-7081
Fax: (951) 656-1710
Additional Practice Location
264 N Highland Springs Ave Ste 3b
Banning, California 92220-3085
Phone: (951) 769-9776
Fax: (951) 769-9026
Additional Practice Location
401 E Highland Ave Ste 551
San Bernardino, California 92404-3840
Phone: (909) 882-9150
Fax: (909) 883-8972
Record Information
- Enumeration Date
- April 4, 2017
- Provider's NPPES Record Last Updated
- August 9, 2022
- Certification Date
- August 9, 2022
- NPISignal NPPES Dataset
- August 2026
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