Matthew Hammar, D.O.
NPI 1174790612 · Pulmonary Disease Physician · Columbus, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Hammar, D.O. is a Pulmonary Disease Physician provider in Columbus, OH (NPI 1174790612).
Provider details
- NPI number
- 1174790612
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 34.009441 (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
18 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
1,933 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 | 1,109 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 547 | $73 |
| Critical Care, First 30-74 Minutes99291 | 158 | $203 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 62 | $161 |
| Change of Breathing Tube in Windpipe31502 | 28 | $30 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-14
- Last updated
- 2025-08-22
- Certified
- 2025-08-22
Frequently asked questions
- What is Matthew Hammar's NPI number?
- Matthew Hammar's National Provider Identifier (NPI) is 1174790612, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Hammar's specialty?
- Matthew Hammar is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Hammar located?
- Matthew Hammar's practice location on file with NPPES is 1087 Dennison Ave, Columbus, OH 43201-3201.
- What is Matthew Hammar's phone number?
- The practice phone number listed in the NPPES registry for Matthew Hammar is (614) 360-9754.
- Does Matthew Hammar accept Medicare?
- Matthew Hammar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Hammar's NPI active?
- Yes — Matthew Hammar's NPI (1174790612) is active in the NPPES registry as of the last update on 2025-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.