Kathryn Grumbach, MD
NPI 1255365441 · Diagnostic Radiology Physician · Fairfax, VA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Grumbach, MD is a Diagnostic Radiology Physician provider in Fairfax, VA (NPI 1255365441).
Provider details
- NPI number
- 1255365441
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101059272 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Diagnostic Radiology Physician2085R0202X
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
5,593 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 | 1,141 | $9 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 780 | $91 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 585 | $106 |
| Ct Scan of Chest Without Contrast71250 | 526 | $117 |
| Complete Ultrasound Scan of Abdomen76700 | 415 | $118 |
| X-Ray of Abdomen, 1 View74018 | 267 | $9 |
| Complete Ultrasound Scan of Pelvis |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2020-01-27
- Certified
- 2020-01-27
Frequently asked questions
- What is Kathryn Grumbach's NPI number?
- Kathryn Grumbach's National Provider Identifier (NPI) is 1255365441, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Grumbach's specialty?
- Kathryn Grumbach is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Kathryn Grumbach located?
- Kathryn Grumbach's practice location on file with NPPES is 2722 Merrilee Dr, Fairfax, VA 22031-4400.
- What is Kathryn Grumbach's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Grumbach is (703) 698-4483.
- Does Kathryn Grumbach accept Medicare?
- Kathryn Grumbach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Grumbach's NPI active?
- Yes — Kathryn Grumbach's NPI (1255365441) is active in the NPPES registry as of the last update on 2020-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.