Marc L. Concepcion, D.O.
Family Medicine Physician · West Sacramento, CA
Marc L. Concepcion, D.O. is a family medicine physician with a practice address in West Sacramento, California, and NPI 1134159429, issued on Jul 3, 2006. Check the license (California 20A6657, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marc L. Concepcion
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A6657 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2101 Stone Blvd. Suite 190, West Sacramento, CA 95691
- Phone
- (916) 371-4939
- Enumerated
- Jul 3, 2006
- Record last updated
- Dec 6, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (916) 371-2996
- Medicare enrollment
- Enrolled (PECOS I20050708000758); 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 2101 Stone Blvd. Suite 190
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Lee, M.D.Family Medicine Physician1366476970
Verify Marc L. Concepcion in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A6657Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average family medicine physician in 2024
6,351 Medicare Part D claims for 737 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. 753 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen494 claims
- Atorvastatin Calcium390 claims
- Lisinopril272 claims
- Amlodipine Besylate236 claims
- Gabapentin180 claims
- Losartan Potassium156 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: $2,981.80
133 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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
- Garcia Lee And Concepcion Medical Group IncWest Sacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc L. Concepcion among 17,133 family medicine physician records in California
Marc L. Concepcion, 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 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
- Graduated1993 · median 2005 among the 10,652 with a school on file
- Record last updated2010 · 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).
20 family medicine physician records list a practice address in West Sacramento
They are 20 of the 655 NPPES records with a practice address in West Sacramento, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in West Sacramento → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Abhinandan Bhagat, M.D.West Sacramento, CA 956911326662024
- Lindsay Cassey, D.O.West Sacramento, CA 956911457762619
- Alicja Correll, DOWest Sacramento, CA 956911215426283
- Maria Fuentes, MDWest Sacramento, CA 956911255535944
- James Lee, M.D.West Sacramento, CA 956911366476970
- Jeffery Moy, M.D.West Sacramento, CA 956911922121466
- Jacqueline Ramsay, MDWest Sacramento, CA 956911699470211
- Grace Tidwell, MDWest Sacramento, CA 956911437579786
Common questions
What is Marc L. Concepcion, D.O.'s NPI number?
Marc L. Concepcion, D.O.'s National Provider Identifier (NPI) is 1134159429, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc L. Concepcion, D.O. located?
The NPPES record lists a practice address at 2101 Stone Blvd. Suite 190, West Sacramento, CA, 95691. Phone: (916) 371-4939. Providers update this record themselves, so call before visiting.
How can I verify Marc L. Concepcion, D.O.'s license?
NPPES lists California license number 20A6657, 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 Marc L. Concepcion, D.O. prescribe under Medicare Part D?
In 2024, Marc L. Concepcion, D.O. had 6,351 Medicare Part D claims for 737 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.