Charles Som, D.O.
Family Medicine Physician · Pittsburg, CA
Charles Som, D.O. is a family medicine physician with a practice address in Pittsburg, California, and NPI 1245381706, issued on Jan 12, 2007. Check the license (California 20A9766, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Charles Som
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A9766 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2240 Gladstone Drive, Suite 4, Pittsburg, CA 94565
- Phone
- (209) 558-7227
- Enumerated
- Jan 12, 2007
- Record last updated
- Oct 8, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081113000162); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Charles Som in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9766Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average family medicine physician in 2024
972 Medicare Part D claims for 114 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. 76 claims were for opioids.
Most prescribed
- Atorvastatin Calcium96 claims
- Gabapentin60 claims
- Metformin Hcl51 claims
- Hydrocodone-Acetaminophen48 claims
- Amlodipine Besylate44 claims
- Lisinopril37 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: $13.88
1 payment: food and beverage; the largest payer was Hologic Sales and Service, 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
- LA Clinica DE LA Raza IncPittsburg, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Som among 17,133 family medicine physician records in California
Charles Som, D.O. 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2005 · 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).
13 family medicine physician records list a practice address in Pittsburg
They are 13 of the 593 NPPES records with a practice address in Pittsburg, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Pittsburg → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nathan Brooks, MD, MPHPittsburgh, CA 945651154765394
- Mayra Carrillo, MDPittsburg, CA 945651407372170
- Gustavo Curbelo, MDPittsburg, CA 945651629298153
- Siamak Elyasi, M.D.Pittsburg, CA 945651467407809
- Joan Hoffman, MDPittsburg, CA 945651417007782
- Jacqueline Johal-MoralesPittsburg, CA 945651609358373
- Julissa Lopez, MDPittsburg, CA 945651679063754
- Adolfo Romero-Duran, M.DPittsburg, CA 945651275690836
Common questions
What is Charles Som, D.O.'s NPI number?
Charles Som, D.O.'s National Provider Identifier (NPI) is 1245381706, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Charles Som, D.O. located?
The NPPES record lists a practice address at 2240 Gladstone Drive, Suite 4, Pittsburg, CA, 94565. Phone: (209) 558-7227. Providers update this record themselves, so call before visiting.
How can I verify Charles Som, D.O.'s license?
NPPES lists California license number 20A9766, 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 Charles Som, D.O. prescribe under Medicare Part D?
In 2024, Charles Som, D.O. had 972 Medicare Part D claims for 114 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.