Gregory Mellor
NPI 1285738690 · Family Nurse Practitioner · St. Louis, MO
Gregory Mellor is a Family Nurse Practitioner provider in St. Louis, MO (NPI 1285738690).
Provider details
- NPI number
- 1285738690
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 097908 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-09-08
- Last updated
- 2007-10-12
Frequently asked questions
- What is Gregory Mellor's NPI number?
- Gregory Mellor's National Provider Identifier (NPI) is 1285738690, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Mellor's specialty?
- Gregory Mellor is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Mellor located?
- Gregory Mellor's practice location on file with NPPES is 6701 Telegraph Rd, St. Louis, MO 63129.
- What is Gregory Mellor's phone number?
- The practice phone number listed in the NPPES registry for Gregory Mellor is (866) 825-3227.
- Is Gregory Mellor's NPI active?
- Yes — Gregory Mellor's NPI (1285738690) is active in the NPPES registry as of the last update on 2007-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.