Gregory Longmore, MD
NPI 1912924473 · Hematology (Internal Medicine) Physician · Saint Louis, MO
Gregory Longmore, MD is a Hematology (Internal Medicine) Physician provider in Saint Louis, MO (NPI 1912924473).
Provider details
- NPI number
- 1912924473
- Entity type
- Individual
- Primary specialty
- Hematology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 102740 (MO)
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
- 2006-07-17
- Last updated
- 2016-11-14
Frequently asked questions
- What is Gregory Longmore's NPI number?
- Gregory Longmore's National Provider Identifier (NPI) is 1912924473, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Longmore's specialty?
- Gregory Longmore is listed in the NPPES registry with a primary specialty of Hematology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Longmore located?
- Gregory Longmore's practice location on file with NPPES is 4921 Parkview Pl, Saint Louis, MO 63110-1032.
- What is Gregory Longmore's phone number?
- The practice phone number listed in the NPPES registry for Gregory Longmore is (314) 747-1171.
- Is Gregory Longmore's NPI active?
- Yes — Gregory Longmore's NPI (1912924473) is active in the NPPES registry as of the last update on 2016-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.