Alan A. Semion, MD
Specialist · Roseville, CA
Alan A. Semion, MD is a specialist with a practice address in Roseville, California, and NPI 1235131301, issued on Aug 10, 2005. Check the license (California C31538, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alan A. Semion
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- C31538 CA
Self-reported in NPPES; status is on the state search - Practice location
- 729 Sunrise Ave, Roseville, CA 95661
- Phone
- (916) 782-7546
- Enumerated
- Aug 10, 2005
- Record last updated
- Aug 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (916) 782-1596
- Medicaid ID
- 00C315380 CA
- Medicare enrollment
- Enrolled (PECOS I20080724000660); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1968
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 729 Sunrise Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alan A. Semion in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license C31538Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average specialist in 2024
772 Medicare Part D claims for 333 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Betamethasone Diprop Augmented110 claims
- Triamcinolone Acetonide88 claims
- Hydrocortisone74 claims
- Valacyclovir56 claims
- Doxycycline Hyclate52 claims
- Mupirocin48 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 MIPS final score for 2023 (Medicare payment program): 65.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $238.26
14 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Alan A. Semion among 5,749 specialist records in California
Alan A. Semion, MD is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1968 · median 1989 among the 1,075 with a school on file
- Record last updated2016 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Roseville → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Janice Andreyko, M.D.Roseville, CA 956611447346549
- Gina Boomershine, PTRoseville, CA 956611699708545
- Tatiana Fromlak, M.D.Roseville, CA 956611184669988
- Kevin Hansen, MDRoseville, CA 956611689661225
- Douglas Haselwood, M.D.Roseville, CA 956611558309039
- Joseph Jammal, M.D.Roseville, CA 956611225053325
- Laurie Lovely, M.D.Roseville, CA 956611760578801
- Kevin Luong, MDRoseville, CA 956611700873320
Common questions
What is Alan A. Semion, MD's NPI number?
Alan A. Semion, MD's National Provider Identifier (NPI) is 1235131301, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Alan A. Semion, MD located?
The NPPES record lists a practice address at 729 Sunrise Ave, Roseville, CA, 95661. Phone: (916) 782-7546. Providers update this record themselves, so call before visiting.
How can I verify Alan A. Semion, MD's license?
NPPES lists California license number C31538, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Alan A. Semion, MD prescribe under Medicare Part D?
In 2024, Alan A. Semion, MD had 772 Medicare Part D claims for 333 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Alan A. Semion, MD's MIPS final score?
The 2023 MIPS final score is 65.6 of 100. 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.