Gregory Long, MD
NPI 1952303471 · Hematology & Oncology Physician · Pittsburgh, PA
Gregory Long, MD is a Hematology & Oncology Physician provider in Pittsburgh, PA (NPI 1952303471).
Provider details
- NPI number
- 1952303471
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD052927L (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
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
- 2005-08-15
- Last updated
- 2020-10-12
- Certified
- 2020-10-09
Frequently asked questions
- What is Gregory Long's NPI number?
- Gregory Long's National Provider Identifier (NPI) is 1952303471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Long's specialty?
- Gregory Long is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Long located?
- Gregory Long's practice location on file with NPPES is 314 E North Ave, Pittsburgh, PA 15212-4756.
- What is Gregory Long's phone number?
- The practice phone number listed in the NPPES registry for Gregory Long is (123) 255-7004.
- Is Gregory Long's NPI active?
- Yes — Gregory Long's NPI (1952303471) is active in the NPPES registry as of the last update on 2020-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.