Michael Greene, D.O.
NPI 1912295502 · Internal Medicine Physician · Spartanburg, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Greene, D.O. is a Internal Medicine Physician provider in Spartanburg, SC (NPI 1912295502).
Provider details
- NPI number
- 1912295502
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 5101019591 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 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
768 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 262 | $114 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 231 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 156 | $110 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 82 | $164 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 26 | $125 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians and |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 35 | 15 |
| Carvedilol | 25 | 19 |
| Apixabanbrand: Eliquis | 22 | 13 |
| Bumetanide | 21 | — |
| Prednisone | 19 | 19 |
| Atorvastatin Calcium | 15 | — |
| Cefdinir | 15 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$229 across 13 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
- 2011-07-15
- Last updated
- 2021-01-12
- Certified
- 2021-01-12
Frequently asked questions
- What is Michael Greene's NPI number?
- Michael Greene's National Provider Identifier (NPI) is 1912295502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Greene's specialty?
- Michael Greene is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Greene located?
- Michael Greene's practice location on file with NPPES is 101 E Wood St Ste 401, Spartanburg, SC 29303-3040.
- What is Michael Greene's phone number?
- The practice phone number listed in the NPPES registry for Michael Greene is (864) 560-6654.
- Does Michael Greene accept Medicare?
- Michael Greene is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Greene's NPI active?
- Yes — Michael Greene's NPI (1912295502) is active in the NPPES registry as of the last update on 2021-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.