Gregory Greene, DO
NPI 1518387174 · Internal Medicine Physician · Westlake, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Greene, DO is a Internal Medicine Physician provider in Westlake, OH (NPI 1518387174).
Provider details
- NPI number
- 1518387174
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 012826 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,393 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 630 | $70 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 226 | $44 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 200 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 84 | $70 |
| Administration of Influenza Virus VaccineG0008 | 84 | $30 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 133 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 755 | 239 |
| Losartan Potassium | 353 | 104 |
| Amlodipine Besylate | 349 | 105 |
| Levothyroxine Sodium | 347 | 94 |
| Gabapentin | 265 | 67 |
| Simvastatin | 264 | 73 |
| Lisinopril | 256 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-22
- Last updated
- 2020-11-23
- Certified
- 2020-11-23
Frequently asked questions
- What is Gregory Greene's NPI number?
- Gregory Greene's National Provider Identifier (NPI) is 1518387174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Greene's specialty?
- Gregory Greene is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Greene located?
- Gregory Greene's practice location on file with NPPES is 960 Clague Rd Ste 3201, Westlake, OH 44145-1588.
- What is Gregory Greene's phone number?
- The practice phone number listed in the NPPES registry for Gregory Greene is (440) 250-2070.
- Does Gregory Greene accept Medicare?
- Gregory Greene is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Greene's NPI active?
- Yes — Gregory Greene's NPI (1518387174) is active in the NPPES registry as of the last update on 2020-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.