Dr. David Hearst, MD
- Part D claims, 2024
- 2,364
- Hospital affiliations
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 2500 Alhambra Avenue, Martinez, CA 94553
- Practice phone
- Call (925) 370-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hearst's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. David Hearst is a family medicine physician in Martinez, California
Dr. Hearst practices at Contra Costa Regional Medical Center in Martinez, California, part of State of California.
Dr. Hearst's NPI, 1770670531, was assigned on October 5, 2006. Dr. Hearst graduated from David Geffen School of Medicine at UCLA in 1979. Dr. Hearst holds California license G44965.
- NPI
- 1770670531NPI Registry (opens in a new tab)
- NPI enumeration date
- October 5, 2006
- NPI status
- Active
- Practice phone
- (925) 370-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David Hearst practices at Contra Costa Regional Medical Center in Martinez, California
Dr. Hearst's primary practice is Contra Costa Regional Medical Center, at 2500 Alhambra Avenue, Martinez, CA 94553 in Contra Costa County. The practice phone is (925) 370-5000.
- Contra Costa Regional Medical Center2500 Alhambra Avenue, Martinez, CA 94553 · Contra Costa CountyPhone(925) 370-5000
Source: Dmand AI Affiliation Data
Dr. David Hearst is affiliated with 1 site of care and 1 medical group
Dr. Hearst's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California. The medical group on file is West County Adult Mental Health Services. Dr. Hearst's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Hearst's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hearst practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Contra Costa Regional Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Hearst is one of 15,680 family medicine physicians in California
Family medicine is Dr. Hearst's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Hearst is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Hearst's licenses on file in 2 states: California and Colorado.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Colorado license
Family medicine physicians near Dr. Hearst
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David Hearst's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Dr. Hearst's median patient age at 68, with 54% women.
Dr. Hearst's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women54%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. David Hearst wrote 2,364 Medicare Part D claims in 2024
In 2024, Dr. Hearst wrote 2,364 Medicare Part D claims for 147 patients. 84% of them were for generic drugs. CMS names the drug for 1,891 of them, across 58 drugs with 11 or more claims each, at $202,891 in total drug cost. In 2023, CMS named 1,700 claims across 55 drugs.
Dr. Hearst's Part D claims by kind of drug, 2024
- Generic1,993 claims84%
- Brand-name327 claims14%
- Other44 claims2%
Dr. Hearst's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Hearst's Part D claims, 2024
- Opioids6%146 of 2,364 claims
- Antibiotics1%25 of 2,364 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,7002024: 1,89111%
Drugs named by CMS: 58 in 2024, 55 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. David Hearst graduated from David Geffen School of Medicine at UCLA
Dr. Hearst graduated from David Geffen School of Medicine at UCLA in 1979.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. David Hearst's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. David Hearst
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. David Hearst's NPI number?
Dr. David Hearst's NPI number is 1770670531. It was assigned on October 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Hearst?
Dr. David Hearst is a family medicine physician in Martinez, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. David Hearst practice?
Dr. Hearst practices at 2500 Alhambra Avenue, Martinez, CA 94553. Dr. Hearst's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California.
What is Dr. David Hearst's office phone number?
The practice phone on file for Dr. Hearst is (925) 370-5000.
What is Dr. David Hearst's medical license number?
Dr. Hearst holds California license G44965, one of the licenses on file in 2 states.
Which states has Dr. David Hearst been licensed in?
Dmand AI has state licenses on file for Dr. Hearst in California (1981 to 2027) and Colorado (1981 to 1985).
Which hospitals is Dr. David Hearst affiliated with?
Dr. Hearst practices at Contra Costa Regional Medical Center in Martinez, California.
What medical group is Dr. David Hearst part of?
Dr. Hearst is linked to West County Adult Mental Health Services.
Is Dr. David Hearst board certified?
Yes. Dr. Hearst is board certified in family medicine by the American Board of Family Medicine.
Where did Dr. David Hearst go to medical school?
Dr. Hearst graduated from David Geffen School of Medicine at UCLA in 1979.
What drugs does Dr. David Hearst prescribe most?
In 2024 Medicare Part D data, Dr. Hearst's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Hydrocodone-Acetaminophen.
How long has Dr. David Hearst been practicing?
Dr. Hearst graduated from medical school in 1979, 47 years ago.
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