Gregory Ferner, M.D.
NPI 1851327738 · Internal Medicine Physician · Fairlawn, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Ferner, M.D. is a Internal Medicine Physician provider in Fairlawn, OH (NPI 1851327738).
Provider details
- NPI number
- 1851327738
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35071291 (OH)
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 tenure28% of score
20 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
473 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 237 | $110 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 83 | $158 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 82 | $104 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 50 | $70 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 21 | $136 |
Typical Medicare-allowed amounts for these services range $70–$158 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 28 | 22 |
| Prednisone | 22 | 21 |
| Atorvastatin Calcium | 16 | 13 |
| Amlodipine Besylate | 15 | 11 |
| Metoprolol Tartrate | 15 | — |
| Carvedilol | 12 | — |
| Oxycodone Hcl | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-23
- Last updated
- 2009-09-03
Frequently asked questions
- What is Gregory Ferner's NPI number?
- Gregory Ferner's National Provider Identifier (NPI) is 1851327738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Ferner's specialty?
- Gregory Ferner is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Ferner located?
- Gregory Ferner's practice location on file with NPPES is 822 Kumho Dr, Fairlawn, OH 44333-9297.
- What is Gregory Ferner's phone number?
- The practice phone number listed in the NPPES registry for Gregory Ferner is (330) 576-0500.
- Does Gregory Ferner accept Medicare?
- Gregory Ferner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Ferner's NPI active?
- Yes — Gregory Ferner's NPI (1851327738) is active in the NPPES registry as of the last update on 2009-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.