Stephen Marcel Shapiro, M.D.
General Practice Physician · Fountain Valley, CA
Stephen Marcel Shapiro, M.D. is a general practice physician with a practice address in Fountain Valley, California, and NPI 1447208798, issued on May 5, 2006. Check the license (California G079453, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen Marcel Shapiro
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License numbers
- G079453 CA
G79453 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11160 Warner Ave, Fountain Valley, CA 92708
- Phone
- (949) 244-3667
- Enumerated
- May 5, 2006
- Record last updated
- May 20, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (206) 202-0120
- Medicaid ID
- 00G794530 CA
- Medicare enrollment
- Enrolled (PECOS I20051108001133); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 1993
- Entity
- Type 1 · individual
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Also registered at 11160 Warner Ave
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Verify Stephen Marcel Shapiro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G079453Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average general practice physician in 2024
379 Medicare Part D claims for 206 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 105 claims were for opioids.
Most prescribed
- Ibuprofen71 claims
- Acetaminophen-Codeine53 claims
- Hydrocodone-Acetaminophen45 claims
- Sulfamethoxazole-Trimethoprim26 claims
- Mupirocin22 claims
- Dexamethasone20 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $20.17
1 payment: food and beverage; the largest payer was Lilly USA, LLC. The 4,259 providers of this specialty with any payment received $1,273.40 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
- Fountain Valley Emergency Physicians, P.C.Fountain Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Marcel Shapiro among 1,956 general practice physician records in California
Stephen Marcel Shapiro, M.D. is one of 1,956 general practice physician records with a practice address in California. 48% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1993 · median 1994 among the 520 with a school on file
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Fountain Valley → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Satinder Dang, M.D.Fountain Valley, CA 927081245266311
- Owusu Firempong, M.D.Fountain Valley, CA 927081689874067
- Kea Ja Pai, MDFountain Valley, CA 927081104877513
- Michael Truong, M.D.Fountain Valley, CA 927081376834143
- Suck Youn, MDSanta Ana, CA 927061568677557
- Geoffrey Furman, MDSanta Ana, CA 927051356427595
- Alan Nayes, MDSanta Ana, CA 927051386676955
- Martin Offenberger, M.D.Santa Ana, CA 927051740492180
Common questions
What is Stephen Marcel Shapiro, M.D.'s NPI number?
Stephen Marcel Shapiro, M.D.'s National Provider Identifier (NPI) is 1447208798, issued on May 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Marcel Shapiro, M.D. located?
The NPPES record lists a practice address at 11160 Warner Ave, Fountain Valley, CA, 92708. Phone: (949) 244-3667. Providers update this record themselves, so call before visiting.
How can I verify Stephen Marcel Shapiro, M.D.'s license?
NPPES lists California license number G079453, 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 Stephen Marcel Shapiro, M.D. prescribe under Medicare Part D?
In 2024, Stephen Marcel Shapiro, M.D. had 379 Medicare Part D claims for 206 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
What is Stephen Marcel Shapiro, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.