Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Parker Andrew Duncan Diaz, MD, MPH, FAAFP

Individual provider Addiction Medicine (Family Medicine) Physician · NPI 1033434923

Dr. Parker Andrew Duncan Diaz, MD, MPH, FAAFP is registered under Family Practice in Santa Rosa, California. Graduated from University of California, Irvine, California College of Medicine in 2010, 16 years ago. Practices with Santa Rosa Community Health Centers, a 71-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
16
Trained at
University of California, Irvine, California College of Medicine
Licensed in
CA
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.
FAAFP — Fellow of the American Academy of Family Physicians
A family physician admitted as a fellow of the AAFP.

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Practice location Address checks out

751 Lombardi Ct
Santa Rosa, CA 95407-6798
Phone: (707) 547-2222
Fax: (707) 547-2229
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 3569 Round Barn Cir, Santa Rosa, CA 95403 — (707) 303-3600
  • 625 Steele Ln, Santa Rosa, CA 95403-3127 — (707) 576-1852
  • 926 Cherry St, Santa Rosa, CA 95404-4209 — (707) 867-6533

Specialties & licences

Addiction Medicine (Family Medicine) Physician (primary) Taxonomy 207QA0401X · Licence A118268 (CA)

Record details

NPI number1033434923
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH , FAAFP
Sole proprietorNo
NPI enumeratedApril 2, 2010
Last updated in NPPESOctober 18, 2023
Certification dateSeptember 21, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Santa Rosa Community Health Centers — 71 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients15
Services billed 15 a service is one billed item, such as a visit, a test or a procedure
Average patient age70

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Sutter Santa Rosa Regional Hospital Hospital · Santa Rosa, CA · listed as Sutter Bay Hospitals
  • Gateway Home Health Corp. Home health agency · San Ramon, CA · listed as Gateway Home Health Corp
  • Providence Santa Rosa Memorial Hospital Hospital · Santa Rosa, CA
  • Sutter Care At Home Home health agency · Santa Rosa, CA

Colleagues at Santa Rosa Community Health Centers

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 71 clinicians in the practice; 12 are shown here.

Other providers in Santa Rosa