Andrea L. Allyn, M.D.
Internal Medicine Physician · Seneca, SC
Andrea L. Allyn, M.D. is an internal medicine physician with a practice address in Seneca, South Carolina, and NPI 1851363733, issued on Feb 3, 2006. Check the license (South Carolina 30703, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Andrea L. Allyn
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 30703 SC
Self-reported in NPPES; status is on the state search - Practice location
- 10110 Clemson Blvd, Seneca, SC 29678
- Phone
- (864) 482-0500
- Enumerated
- Feb 3, 2006
- Record last updated
- Jul 23, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (864) 482-0505
- Medicaid IDs
- 000222285E GA
1851363733 SC - Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Also registered at 10110 Clemson Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martin Allen, M.D.Obstetrics & Gynecology Physician1033199831
- Harley Chapman, NPFamily Nurse Practitioner1780261438
- Elizabeth Cornine, FNP-BCFamily Nurse Practitioner1053797381
- Andrew Hagenauer, D.OSports Medicine (Family Medicine) Physician1063894590
- Krishna Patel, APNFamily Nurse Practitioner1942631585
- Kevin Saunders, M.D.Family Medicine Physician1053632836
Verify Andrea L. Allyn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 30703Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
66 Medicare Part D claims for 30 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Levothyroxine Sodium11 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.
Andrea L. Allyn among 1,881 internal medicine physician records in South Carolina
Andrea L. Allyn, M.D. is one of 1,881 internal medicine physician records with a practice address in South Carolina. 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 7% of them.
- NPI issued2006 · 7% of these records are older, 58% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2014 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 internal medicine physician records list a practice address in Seneca
They are 16 of the 697 NPPES records with a practice address in Seneca, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Seneca → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Natallia Abramovich, MDSeneca, SC 296781568647949
- Sadiksha Adhikari, M.D.Seneca, SC 296781649525965
- Tauqueer Alam, M.D.Seneca, SC 296781043263494
- Frank Axson, M.D.Seneca, SC 296781477587038
- Kakra ConduaSeneca, SC 296781619948361
- Carmine Fiorentino, MDSeneca, SC 296781205874039
- Peter Kwofie, M.D.Seneca, SC 296781124002118
- Eric Marler, MDSeneca, SC 296781598798910
Common questions
What is Andrea L. Allyn, M.D.'s NPI number?
Andrea L. Allyn, M.D.'s National Provider Identifier (NPI) is 1851363733, issued on Feb 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrea L. Allyn, M.D. located?
The NPPES record lists a practice address at 10110 Clemson Blvd, Seneca, SC, 29678. Phone: (864) 482-0500. Providers update this record themselves, so call before visiting.
How can I verify Andrea L. Allyn, M.D.'s license?
NPPES lists South Carolina license number 30703, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrea L. Allyn, M.D. prescribe under Medicare Part D?
In 2024, Andrea L. Allyn, M.D. had 66 Medicare Part D claims for 30 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.