Parker Andrew Duncan Diaz, MD, MPH, FAAFP
Family Practice (CMS) · Santa Rosa, CA
At a glance
751 Lombardi Ct, Santa Rosa, CA 95407-6798
NPPES record updated Oct 18, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
751 Lombardi CtSanta Rosa, CA 95407-6798
Additional reported practice locations
3569 Round Barn CirSanta Rosa, CA 95403
Phone: 7073033600
Fax: 7073033611 625 Steele Ln
Santa Rosa, CA 954033127
Phone: 7075761852 926 Cherry St
Santa Rosa, CA 954044209
Phone: 7078676533
Education & affiliations
- Medical / professional school
- University Of California, Irvine, California College Of Medicine
- Graduation year
- 2010
- CMS specialties
- Family Practice
Practice groups
Reported hospital affiliations
- Providence Santa Rosa Memorial Hospital Santa Rosa, CA
- Sutter Santa Rosa Regional Hospital Santa Rosa, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Family Practice (CMS)
- Taxonomy code
- 207QA0401X
- Enumeration date
- Apr 2, 2010
- Record updated
- Oct 18, 2023
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- PARKER ANDREW DUNCAN
- Reported credentials
- MD, MPH, FAAFP
Reported taxonomies and licenses
207QA0401X · Primary
License reported: A118268 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
751 Lombardi CtSanta Rosa, CA 95407-6798
- Phone
- (707) 547-2222
- Fax
- (707) 547-2229
Mailing address
3569 ROUND BARN CIRSANTA ROSA, CA 95403
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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