Alvin Abinsay, M.D.
NPI 1689608002 · Internal Medicine Physician · Marion, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alvin Abinsay, M.D. is a Internal Medicine Physician provider in Marion, SC (NPI 1689608002).
Provider details
- NPI number
- 1689608002
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 18932 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
170 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Sleep Study in Sleep Lab With Continuous Airway Pressure (6 Years Or Older)95811 | 72 | $112 |
| Sleep Study Including Heart Rate, Breathing, Airflow, and Effort95806 | 60 | $41 |
| Sleep Study in Sleep Lab (6 Years Or Older)95810 | 38 | $108 |
Typical Medicare-allowed amounts for these services range $41–$112 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 180 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 984 | 249 |
| Atorvastatin Calcium | 926 | 256 |
| Gabapentin | 563 | 133 |
| Furosemide | 522 | 134 |
| Pantoprazole Sodium | 513 | 135 |
| Metformin Hcl | 497 | 126 |
| Losartan Potassium | 472 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$160 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2020-10-08
- Certified
- 2020-10-08
Frequently asked questions
- What is Alvin Abinsay's NPI number?
- Alvin Abinsay's National Provider Identifier (NPI) is 1689608002, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alvin Abinsay's specialty?
- Alvin Abinsay is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alvin Abinsay located?
- Alvin Abinsay's practice location on file with NPPES is 1205 N Main St, Marion, SC 29571-2008.
- What is Alvin Abinsay's phone number?
- The practice phone number listed in the NPPES registry for Alvin Abinsay is (843) 423-0760.
- Does Alvin Abinsay accept Medicare?
- Alvin Abinsay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alvin Abinsay's NPI active?
- Yes — Alvin Abinsay's NPI (1689608002) is active in the NPPES registry as of the last update on 2020-10-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.