Carolyn Happ, MD
NPI 1265426795 · Radiological Physics Physician · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Happ, MD is a Radiological Physics Physician provider in Pittsburgh, PA (NPI 1265426795).
Provider details
- NPI number
- 1265426795
- Entity type
- Individual
- Primary specialty
- Radiological Physics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD073277L (PA)
Specialties & taxonomies
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,433 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) |
|---|---|---|
| Screening 3d Breast Mammography77063 | 264 | $27 |
| Screening Mammography77067 | 264 | $34 |
| Screening 3d Breast Mammography77063 | 189 | $33 |
| Screening Mammography77067 | 188 | $57 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 63 | $27 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 62 |
Practice location
Mailing address
Additional practice locations (1)
- 320 E North AvePittsburgh, PA 15212-4756Phone: (412) 359-2459Fax: (412) 359-8233
Registry dates
- Enumerated
- 2005-09-12
- Last updated
- 2023-03-07
- Certified
- 2020-10-05
Frequently asked questions
- What is Carolyn Happ's NPI number?
- Carolyn Happ's National Provider Identifier (NPI) is 1265426795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Happ's specialty?
- Carolyn Happ is listed in the NPPES registry with a primary specialty of Radiological Physics Physician (Allopathic & Osteopathic Physicians).
- Where is Carolyn Happ located?
- Carolyn Happ's practice location on file with NPPES is 1000 Bower Hill Rd, Pittsburgh, PA 15243-1873.
- What is Carolyn Happ's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Happ is (412) 835-6600.
- Does Carolyn Happ accept Medicare?
- Carolyn Happ is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Happ's NPI active?
- Yes — Carolyn Happ's NPI (1265426795) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.