Paul Greif, M.D.
NPI 1770557027 · Pulmonary Disease Physician · Philadelphia, PA
Enrolled with Medicare as Order and Referring Only - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Greif, M.D. is a Pulmonary Disease Physician provider in Philadelphia, PA (NPI 1770557027).
Provider details
- NPI number
- 1770557027
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 034821 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-14
- Last updated
- 2023-03-07
- Certified
- 2021-03-18
Frequently asked questions
- What is Paul Greif's NPI number?
- Paul Greif's National Provider Identifier (NPI) is 1770557027, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Greif's specialty?
- Paul Greif is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Greif located?
- Paul Greif's practice location on file with NPPES is 7426 Sprague St, Philadelphia, PA 19119-1036.
- What is Paul Greif's phone number?
- The practice phone number listed in the NPPES registry for Paul Greif is (860) 204-9735.
- Does Paul Greif accept Medicare?
- Paul Greif is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Greif's NPI active?
- Yes — Paul Greif's NPI (1770557027) 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.