Gregory Closkey, M.D.
NPI 1942223573 · Nephrology Physician · Bryn Mawr, PA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Closkey, M.D. is a Nephrology Physician provider in Bryn Mawr, PA (NPI 1942223573).
Provider details
- NPI number
- 1942223573
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD038267L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-07-25
- Last updated
- 2020-09-04
- Certified
- 2020-09-04
Frequently asked questions
- What is Gregory Closkey's NPI number?
- Gregory Closkey's National Provider Identifier (NPI) is 1942223573, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Closkey's specialty?
- Gregory Closkey is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Closkey located?
- Gregory Closkey's practice location on file with NPPES is 830 Old Lancaster Rd, Bryn Mawr, PA 19010-3118.
- What is Gregory Closkey's phone number?
- The practice phone number listed in the NPPES registry for Gregory Closkey is (610) 525-8110.
- Does Gregory Closkey accept Medicare?
- Gregory Closkey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Closkey's NPI active?
- Yes — Gregory Closkey's NPI (1942223573) is active in the NPPES registry as of the last update on 2020-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.