Gregory Bailey, M.D.
NPI 1457351926 · Neurological Surgery Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Bailey, M.D. is a Neurological Surgery Physician provider in Saint Louis, MO (NPI 1457351926).
Provider details
- NPI number
- 1457351926
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 36457 (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
21 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
- 2005-07-27
- Last updated
- 2012-08-03
Frequently asked questions
- What is Gregory Bailey's NPI number?
- Gregory Bailey's National Provider Identifier (NPI) is 1457351926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Bailey's specialty?
- Gregory Bailey is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Bailey located?
- Gregory Bailey's practice location on file with NPPES is 1035 Bellevue Ave Ste 500, Saint Louis, MO 63117-1843.
- What is Gregory Bailey's phone number?
- The practice phone number listed in the NPPES registry for Gregory Bailey is (314) 925-4773.
- Does Gregory Bailey accept Medicare?
- Gregory Bailey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Bailey's NPI active?
- Yes — Gregory Bailey's NPI (1457351926) is active in the NPPES registry as of the last update on 2012-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.