Richard David Carpenter, D.O., PH.D.
Family Medicine Physician · Martinez, CA
Richard David Carpenter, D.O., PH.D. is a family medicine physician with a practice address in Martinez, California, and NPI 1881127165, issued on Apr 4, 2017. Check the license (California 20A16849, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard David Carpenter
- Credential
- D.O., PH.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A16849 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1210 Alhambra Ave, Martinez, CA 94553
- Phone
- (925) 680-8933
- Enumerated
- Apr 4, 2017
- Record last updated
- Aug 12, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200630001494); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1210 Alhambra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Parveen Bourne, RNChild & Adolescent Psychiatric/Mental Health Registered Nurse1194923615
- Anne CourtneyMarriage & Family Therapist1922255181
- Angelina OrdunaMental Health Counselor1003218504
Verify Richard David Carpenter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A16849Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,313 Medicare Part D claims for 588 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 447 claims were for opioids.
Most prescribed
- Atorvastatin Calcium464 claims
- Hydrocodone-Acetaminophen284 claims
- Amlodipine Besylate271 claims
- Gabapentin270 claims
- Rosuvastatin Calcium263 claims
- Levothyroxine Sodium193 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: $1,060.67
51 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). 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
- Fred J Von Stieff MD A Professional CorporationConcord, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard David Carpenter among 17,133 family medicine physician records in California
Richard David Carpenter, D.O., PH.D. 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 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2017 · median 2005 among the 10,652 with a school on file
- Record last updated2020 · 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
- David Hearst, MDMartinez, CA 945531770670531
- Stephen Kalkstein, MDMartinez, CA 945531356438113
Common questions
What is Richard David Carpenter, D.O., PH.D.'s NPI number?
Richard David Carpenter, D.O., PH.D.'s National Provider Identifier (NPI) is 1881127165, issued on Apr 4, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Richard David Carpenter, D.O., PH.D. located?
The NPPES record lists a practice address at 1210 Alhambra Ave, Martinez, CA, 94553. Phone: (925) 680-8933. Providers update this record themselves, so call before visiting.
How can I verify Richard David Carpenter, D.O., PH.D.'s license?
NPPES lists California license number 20A16849, 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 Richard David Carpenter, D.O., PH.D. prescribe under Medicare Part D?
In 2024, Richard David Carpenter, D.O., PH.D. had 7,313 Medicare Part D claims for 588 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.