Mary Grebenc, M.D.
NPI 1699727347 · Diagnostic Radiology Physician · Albuquerque, NM
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Grebenc, M.D. is a Diagnostic Radiology Physician provider in Albuquerque, NM (NPI 1699727347).
Provider details
- NPI number
- 1699727347
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G87233 (CA)
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
974 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 407 | $8 |
| X-Ray of Chest, 2 Views71046 | 190 | $10 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 52 | $82 |
| Ct Scan of Chest Without Contrast71250 | 47 | $49 |
| Ct Scan of Chest With Contrast71260 | 38 | $51 |
| Limited Ultrasound Scan of Abdomen76705 | 35 | $26 |
| Ct Scan of Chest With Contrast |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-17
- Last updated
- 2025-03-10
- Certified
- 2025-03-10
Frequently asked questions
- What is Mary Grebenc's NPI number?
- Mary Grebenc's National Provider Identifier (NPI) is 1699727347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Grebenc's specialty?
- Mary Grebenc is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Grebenc located?
- Mary Grebenc's practice location on file with NPPES is 1 Unm, Albuquerque, NM 87131-3616.
- What is Mary Grebenc's phone number?
- The practice phone number listed in the NPPES registry for Mary Grebenc is (505) 272-2525.
- Does Mary Grebenc accept Medicare?
- Mary Grebenc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Grebenc's NPI active?
- Yes — Mary Grebenc's NPI (1699727347) is active in the NPPES registry as of the last update on 2025-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.