Gregory Mangen, DO
NPI 1386856581 · Hospitalist Physician · Kettering, OH
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Mangen, DO is a Hospitalist Physician provider in Kettering, OH (NPI 1386856581).
Provider details
- NPI number
- 1386856581
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 34.008862 (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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
445 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 | 255 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 120 | $108 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 48 | $75 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 11 | $124 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 11 | $164 |
Typical Medicare-allowed amounts for these services range $75–$164 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 43 | 38 |
| Atorvastatin Calcium | 33 | 25 |
| Pantoprazole Sodium | 31 | 21 |
| Azithromycin | 22 | 22 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 19 | 18 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 18 | — |
| Oxycodone Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 793 W State StRoom 3n09Columbus, OH 43222-1551Phone: (614) 234-3824
Registry dates
- Enumerated
- 2007-05-03
- Last updated
- 2024-12-06
- Certified
- 2024-12-06
Frequently asked questions
- What is Gregory Mangen's NPI number?
- Gregory Mangen's National Provider Identifier (NPI) is 1386856581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Mangen's specialty?
- Gregory Mangen is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Mangen located?
- Gregory Mangen's practice location on file with NPPES is 3535 Southern Blvd, Kettering, OH 45429-1221.
- What is Gregory Mangen's phone number?
- The practice phone number listed in the NPPES registry for Gregory Mangen is (937) 395-6665.
- Does Gregory Mangen accept Medicare?
- Gregory Mangen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Mangen's NPI active?
- Yes — Gregory Mangen's NPI (1386856581) is active in the NPPES registry as of the last update on 2024-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.