David Martinez, DO
Family Medicine Physician · Napa, CA
David Martinez, DO is a family medicine physician with a practice address in Napa, California, and NPI 1023105178, issued on Oct 9, 2006. Check the license (California 20A10871, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Martinez
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 20A10871 CA
OP00001628 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3230 Beard RD, Napa, CA 94558
- Phone
- (707) 255-2026
- Enumerated
- Oct 9, 2006
- Record last updated
- Mar 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130410000549); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3230 Beard RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laurel Antonucci, LCSWClinical Social Worker1346263761
- Edwin Chiu, M.D.Nephrology Physician1659392223
- Melissa Datu, APNAdult Health Nurse Practitioner1144572876
- George Friedman, MDFamily Medicine Physician1477647212
- Stephen Gugenheim, M.D.Plastic Surgery within the Head & Neck (Otolaryngology) Physician1174501340
- Nagarathna Manjappa, MDNephrology Physician1710093349
Verify David Martinez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10871Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average family medicine physician in 2024
2,668 Medicare Part D claims for 224 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 50 claims were for opioids.
Most prescribed
- Atorvastatin Calcium213 claims
- Tamsulosin Hcl178 claims
- Amlodipine Besylate119 claims
- Lisinopril114 claims
- Gabapentin93 claims
- Eliquis88 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $51.93
1 payment: food and beverage; the largest payer was Alcon Vision LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Veterans Home OF CaliforniaYountville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Martinez among 17,133 family medicine physician records in California
David Martinez, DO is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1992 · median 2005 among the 10,652 with a school on file
- Record last updated2013 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 family medicine physician records list a practice address in Napa
They are 59 of the 3,583 NPPES records with a practice address in Napa, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Napa → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Aurelio Campos, MDNapa, CA 945581265446280
- Andrea Clarke, MDNapa, CA 945581598734709
- Alexandre De Moraes, M.D.Napa, CA 945581942284831
- Benjamin Jewell, MDNapa, CA 945581134134091
- Federico Leon, M.D.Napa, CA 945581659349173
- Maria Montenegro, M.D.Napa, CA 945581992719199
- Robert Moore, MDNapa, CA 945581538194899
- Michael Novak, MDNapa, CA 945581972501179
Common questions
What is David Martinez, DO's NPI number?
David Martinez, DO's National Provider Identifier (NPI) is 1023105178, issued on Oct 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Martinez, DO located?
The NPPES record lists a practice address at 3230 Beard RD, Napa, CA, 94558. Phone: (707) 255-2026. Providers update this record themselves, so call before visiting.
How can I verify David Martinez, DO's license?
NPPES lists California license number 20A10871, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Martinez, DO prescribe under Medicare Part D?
In 2024, David Martinez, DO had 2,668 Medicare Part D claims for 224 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.