Individual Healthcare Provider
Parker Andrew Duncan Diaz, MD, MPH, FAAFP
Provider's NPPES record last updated: October 18, 2023
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1033434923
- Primary Specialty
- Family Medicine — Addiction Medicine
- Practice Location
- Santa Rosa, 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 18, 2026, 3:16 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
Family Medicine
Addiction Medicine
Allopathic & Osteopathic Physicians
A family medicine physician who specializes in the diagnosis and treatment of addictions.
Taxonomy code 207QA0401X
Provider-Reported License Information
- Family Medicine (California)
- A118268
Practice Locations
Practice Location
751 Lombardi Ct
Santa Rosa, California 95407-6798
Phone: (707) 547-2222
Additional Practice Location
3569 Round Barn Cir
Santa Rosa, California 95403
Phone: (707) 303-3600
Fax: (707) 303-3611
Additional Practice Location
625 Steele Ln
Santa Rosa, California 95403-3127
Phone: (707) 576-1852
Additional Practice Location
926 Cherry St
Santa Rosa, California 95404-4209
Phone: (707) 867-6533
Record Information
- Enumeration Date
- April 2, 2010
- Provider's NPPES Record Last Updated
- October 18, 2023
- Certification Date
- September 21, 2023
- NPISignal NPPES Dataset
- August 2026
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