Alvin C. Abinsay, M.D.
Internal Medicine Physician · Marion, SC
Alvin C. Abinsay, M.D. is an internal medicine physician with a practice address in Marion, South Carolina, and NPI 1689608002, issued on Jul 10, 2006. Check the license (South Carolina 18932, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Alvin C. Abinsay
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 18932 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1205 N Main St, Marion, SC 29571
- Phone
- (843) 423-0760
- Enumerated
- Jul 10, 2006
- Record last updated
- Oct 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (843) 423-8138
- Medicaid IDs
- GP5462 SC
T26460 SC - Medicare enrollment
- Enrolled (PECOS I20090407000205); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Also registered at 1205 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Stewart, P.A.Medical Physician Assistant1922026046
- James Suggs, MDInternal Medicine Physician1699793703
Verify Alvin C. Abinsay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 18932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.8 times the Medicare Part D claims of the average internal medicine physician in 2024
18,305 Medicare Part D claims for 864 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 634 claims were for opioids.
Most prescribed
- Amlodipine Besylate984 claims
- Atorvastatin Calcium926 claims
- Gabapentin563 claims
- Furosemide522 claims
- Pantoprazole Sodium513 claims
- Metformin Hcl497 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: $160.01
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Medical University Hospital AuthorityMarion, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alvin C. Abinsay among 1,881 internal medicine physician records in South Carolina
Alvin C. Abinsay, 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 fileYes · 60% of these records are
- Graduated1991 · median 2006 among the 1,119 with a school on file
- Record last updated2020 · 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).
3 internal medicine physician records list a practice address in Marion
They are 3 of the 143 NPPES records with a practice address in Marion, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Marion → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Kamanda, MDMarion, SC 295711780881185
- James Suggs, MDMarion, SC 295711699793703
- William Betz, MDMyrtle Beach, SC 295721710941133
- Paul Cohen, M.D.Myrtle Beach, SC 295721194778423
- Anthony Geraci, DOMyrtle Beach, SC 295721932247657
- James Isernia, M.D.Myrtle Beach, SC 295721144281148
- Bradley Martin, MDMyrtle Beach, SC 295721487639456
- James Moreci, M.D.Myrtle Beach, SC 295721982677183
Common questions
What is Alvin C. Abinsay, M.D.'s NPI number?
Alvin C. Abinsay, M.D.'s National Provider Identifier (NPI) is 1689608002, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alvin C. Abinsay, M.D. located?
The NPPES record lists a practice address at 1205 N Main St, Marion, SC, 29571. Phone: (843) 423-0760. Providers update this record themselves, so call before visiting.
How can I verify Alvin C. Abinsay, M.D.'s license?
NPPES lists South Carolina license number 18932, 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 Alvin C. Abinsay, M.D. prescribe under Medicare Part D?
In 2024, Alvin C. Abinsay, M.D. had 18,305 Medicare Part D claims for 864 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.