Leon Grigoryev, MD
NPI 1790876811 · Physical Medicine & Rehabilitation Physician · Flowood, MS
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leon Grigoryev, MD is a Physical Medicine & Rehabilitation Physician provider in Flowood, MS (NPI 1790876811).
Provider details
- NPI number
- 1790876811
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 20728 (MS)
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
- 2006-09-27
- Last updated
- 2010-04-08
Frequently asked questions
- What is Leon Grigoryev's NPI number?
- Leon Grigoryev's National Provider Identifier (NPI) is 1790876811, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leon Grigoryev's specialty?
- Leon Grigoryev is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Leon Grigoryev located?
- Leon Grigoryev's practice location on file with NPPES is 1 Layfair Dr, Flowood, MS 39232-9717.
- What is Leon Grigoryev's phone number?
- The practice phone number listed in the NPPES registry for Leon Grigoryev is (601) 936-8801.
- Does Leon Grigoryev accept Medicare?
- Leon Grigoryev is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leon Grigoryev's NPI active?
- Yes — Leon Grigoryev's NPI (1790876811) is active in the NPPES registry as of the last update on 2010-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.