IndividualActive
Gregory Walker, MD
NPI 1619975851 · Urology Physician · Bloomington, IN
Gregory Walker, MD is a Urology Physician provider in Bloomington, IN (NPI 1619975851).
Provider details
- NPI number
- 1619975851
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01033828A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
1520 S Liberty Dr
Bloomington, IN 47403-5167
Phone: (812) 676-4300
Fax: (812) 676-4301
Street-level locationGet directions
Mailing address
Po Box 1329
Bloomington, IN 47402-1329
Registry dates
- Enumerated
- 2005-07-12
- Last updated
- 2016-01-05
Frequently asked questions
- What is Gregory Walker's NPI number?
- Gregory Walker's National Provider Identifier (NPI) is 1619975851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Walker's specialty?
- Gregory Walker is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Walker located?
- Gregory Walker's practice location on file with NPPES is 1520 S Liberty Dr, Bloomington, IN 47403-5167.
- What is Gregory Walker's phone number?
- The practice phone number listed in the NPPES registry for Gregory Walker is (812) 676-4300.
- Is Gregory Walker's NPI active?
- Yes — Gregory Walker's NPI (1619975851) is active in the NPPES registry as of the last update on 2016-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.