Dr. David Howard Stone, MD
- Part D claims, 2024
- 1,047
- Hospital affiliations
- 1
- Industry payments
- $2,010
- Medical groups
- 2
- State license
- 1
- 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. Stone'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 Howard Stone is a family medicine physician in Martinez, California
Dr. Stone practices at Contra Costa Regional Medical Center in Martinez, California, part of State of California.
Dr. Stone's NPI, 1114152857, was assigned on May 26, 2009. Dr. Stone graduated from Feinberg School of Medicine in 1984. Dr. Stone's California license number on file is G56663.
- NPI
- 1114152857NPI Registry (opens in a new tab)
- NPI enumeration date
- May 26, 2009
- NPI status
- Active
- Practice phone
- (925) 370-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David Howard Stone practices at Contra Costa Regional Medical Center in Martinez, California
Dr. Stone'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 Howard Stone is affiliated with 1 site of care and 2 medical groups
Dr. Stone's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California. The medical group on file is UCSF Department of Radiology & Biomedical Imaging. Dmand AI also links Dr. Stone to 1 more medical group, named with a free account. Dr. Stone'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 Howard Stone's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stone 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 |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Howard Stone is one of 15,680 family medicine physicians in California
Family medicine is Dr. Stone's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Stone is board certified in internal medicine by the American Board of Internal Medicine. Dr. Stone has a license on file in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Stone
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 Howard Stone's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Stone's median patient age at 71, with 77% women.
Dr. Stone's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women77%
- Men23%
Source: Dmand AI Patient Panel Data
Dr. David Howard Stone wrote 1,047 Medicare Part D claims in 2024
In 2024, Dr. Stone wrote 1,047 Medicare Part D claims for 126 patients. 56% of them were for generic drugs. CMS names the drug for 904 of them, across 20 drugs with 11 or more claims each, at $2,804,110 in total drug cost. In 2023, CMS named 975 claims across 20 drugs.
Dr. Stone's Part D claims by kind of drug, 2024
- Generic589 claims56%
- Brand-name and other458 claims44%
Dr. Stone'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. Stone's Part D claims, 2024
- Opioids1%14 of 1,047 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: 9752024: 9047%
Drugs named by CMS: 20 in 2024, 20 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 Howard Stone received $2,010 in industry payments from 2016 to 2025
CMS Open Payments shows 19 general payments to Dr. Stone from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Amgen Inc. paid the most, $687.
General payments to Dr. Stone by program year, 2016 to 2025
General payments to Dr. Stone by kind, 2016 to 2025
- Food and beverage$1,92096%
- Education$904%
Companies that paid Dr. Stone the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Howard Stone graduated from Feinberg School of Medicine
Dr. Stone graduated from Feinberg School of Medicine in 1984.
- Medical school
- Board certified in internal medicine
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Sources for Dr. David Howard Stone'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) |
| Industry payments | Open Payments (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 Howard Stone
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 Howard Stone's NPI number?
Dr. David Howard Stone's NPI number is 1114152857. It was assigned on May 26, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. David Howard Stone?
Dr. David Howard Stone 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 Howard Stone practice?
Dr. Stone practices at 2500 Alhambra Avenue, Martinez, CA 94553. Dr. Stone's primary practice is Contra Costa Regional Medical Center in Martinez, California, part of State of California. Dmand AI also links Dr. Stone to 1 medical group.
What is Dr. David Howard Stone's office phone number?
The practice phone on file for Dr. Stone is (925) 370-5000.
What is Dr. David Howard Stone's medical license number?
Dr. Stone's California license number on file is G56663.
Which hospitals is Dr. David Howard Stone affiliated with?
Dr. Stone practices at Contra Costa Regional Medical Center in Martinez, California.
What medical group is Dr. David Howard Stone part of?
Dr. Stone is linked to UCSF Department of Radiology & Biomedical Imaging. Dmand AI links Dr. Stone to 1 more medical group.
Is Dr. David Howard Stone board certified?
Yes. Dr. Stone is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. David Howard Stone go to medical school?
Dr. Stone graduated from Feinberg School of Medicine in 1984.
What drugs does Dr. David Howard Stone prescribe most?
In 2024 Medicare Part D data, Dr. Stone's most prescribed drugs by claims were Methotrexate, Enbrel Sureclick and Prednisone.
Has Dr. David Howard Stone received payments from drug or device companies?
CMS Open Payments shows $2,010 in general payments to Dr. Stone from 10 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. David Howard Stone been practicing?
Dr. Stone graduated from medical school in 1984, 42 years ago.
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