Roy Greenberg, D.O.
NPI 1912448002 · Hospitalist Physician · Lancaster, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roy Greenberg, D.O. is a Hospitalist Physician provider in Lancaster, OH (NPI 1912448002).
Provider details
- NPI number
- 1912448002
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,681 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 35 Minutes99232 | 638 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 380 | $106 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 306 | $111 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 284 | $161 |
| Critical Care, First 30-74 Minutes99291 | 51 | $191 |
| Advance Care Planning, First 30 Minutes99497 | 22 | $71 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 59 | 39 |
| Metoprolol Succinate | 50 | 25 |
| Prednisone | 48 | 45 |
| Apixabanbrand: Eliquis | 45 | 32 |
| Carvedilol | 39 | 22 |
| Cefdinir | 37 | 37 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 27 | 25 |
Practice location
Mailing address
Additional practice locations (1)
- 50 Old Village RdColumbus, OH 43228-1583Phone: (614) 544-1976Fax: (614) 544-1981
Registry dates
- Enumerated
- 2017-03-09
- Last updated
- 2020-07-19
- Certified
- 2020-07-19
Frequently asked questions
- What is Roy Greenberg's NPI number?
- Roy Greenberg's National Provider Identifier (NPI) is 1912448002, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roy Greenberg's specialty?
- Roy Greenberg is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Roy Greenberg located?
- Roy Greenberg's practice location on file with NPPES is 401 N Ewing St, Lancaster, OH 43130-3371.
- What is Roy Greenberg's phone number?
- The practice phone number listed in the NPPES registry for Roy Greenberg is (740) 687-8000.
- Does Roy Greenberg accept Medicare?
- Roy Greenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roy Greenberg's NPI active?
- Yes — Roy Greenberg's NPI (1912448002) is active in the NPPES registry as of the last update on 2020-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.