Gregory San, M.D.
NPI 1679565279 · Cardiovascular Disease Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory San, M.D. is a Cardiovascular Disease Physician provider in Greenville, SC (NPI 1679565279).
Provider details
- NPI number
- 1679565279
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 9843 (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
20 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
3,806 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 925 | $120 |
| Anticoagulant Management of Patient Taking Warfarin93793 | 474 | $11 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 364 | $13 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 318 | $28 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System Or Implantable Defibrillator System, Remote Up to 90 Days93296 | 316 | $19 |
| Blood Test, Clotting Time85610 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 612 | 198 |
| Apixabanbrand: Eliquis | 550 | 132 |
| Atorvastatin Calcium | 466 | 150 |
| Amlodipine Besylate | 406 | 138 |
| Spironolactone | 341 | 113 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 272 | 95 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$9,402 across 42 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
- 2005-08-19
- Last updated
- 2010-02-12
Frequently asked questions
- What is Gregory San's NPI number?
- Gregory San's National Provider Identifier (NPI) is 1679565279, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory San's specialty?
- Gregory San is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory San located?
- Gregory San's practice location on file with NPPES is 2 Innovation Dr, Greenville, SC 29607-5261.
- What is Gregory San's phone number?
- The practice phone number listed in the NPPES registry for Gregory San is (864) 235-7665.
- Does Gregory San accept Medicare?
- Gregory San is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory San's NPI active?
- Yes — Gregory San's NPI (1679565279) is active in the NPPES registry as of the last update on 2010-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.