David Hearst, MD
Family Medicine Physician · Martinez, CA
David Hearst, MD is a family medicine physician with a practice address in Martinez, California, and NPI 1770670531, issued on Oct 5, 2006. Check the license (California G44965, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Hearst
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G44965 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Alhambra Avenue, Martinez, CA 94553
- Phone
- (925) 370-5110
- Enumerated
- Oct 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (925) 370-5142
- Medicare enrollment
- Enrolled (PECOS I20250626001296); may accept Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1979
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2500 Alhambra Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Hearst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G44965Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average family medicine physician in 2024
2,364 Medicare Part D claims for 147 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 146 claims were for opioids.
Most prescribed
- Atorvastatin Calcium190 claims
- Losartan Potassium112 claims
- Hydrocodone-Acetaminophen109 claims
- Amlodipine Besylate107 claims
- Lisinopril75 claims
- Omeprazole67 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.
David Hearst among 17,133 family medicine physician records in California
David Hearst, MD 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
- Graduated1979 · median 2005 among the 10,652 with a school on file
- Record last updated2007 · 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).
191 family medicine physician records list a practice address in Martinez
They are 191 of the 1,816 NPPES records with a practice address in Martinez, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Martinez → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Melodie Armstrong, MDMartinez, CA 945531093821779
- Philipp Bannwart, M.D.Martinez, CA 945531194828491
- Fred Beck, MDMartinez, CA 945531447348891
- Kenneth Brooks, MDMartinez, CA 945531528009685
- Scott Carter, M.D.Martinez, CA 945531306820980
- Christopher Farnitano, MDMartinez, CA 945531770673832
- Stephen Kalkstein, MDMartinez, CA 945531356438113
- Scott Loeliger, MDMartinez, CA 945531205926367
Common questions
What is David Hearst, MD's NPI number?
David Hearst, MD's National Provider Identifier (NPI) is 1770670531, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Hearst, MD located?
The NPPES record lists a practice address at 2500 Alhambra Avenue, Martinez, CA, 94553. Phone: (925) 370-5110. Providers update this record themselves, so call before visiting.
How can I verify David Hearst, MD's license?
NPPES lists California license number G44965, 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 Hearst, MD prescribe under Medicare Part D?
In 2024, David Hearst, MD had 2,364 Medicare Part D claims for 147 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.