Rex Grossman, M.D.
NPI 1306828322 · Ophthalmology Physician · Bloomington, IN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rex Grossman, M.D. is a Ophthalmology Physician provider in Bloomington, IN (NPI 1306828322).
Provider details
- NPI number
- 1306828322
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- IN01027063A (IN)
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
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
Mailing address
Registry dates
- Enumerated
- 2005-11-16
- Last updated
- 2012-02-16
Frequently asked questions
- What is Rex Grossman's NPI number?
- Rex Grossman's National Provider Identifier (NPI) is 1306828322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rex Grossman's specialty?
- Rex Grossman is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Rex Grossman located?
- Rex Grossman's practice location on file with NPPES is 1011 W 2nd St, Bloomington, IN 47403-2216.
- What is Rex Grossman's phone number?
- The practice phone number listed in the NPPES registry for Rex Grossman is (812) 334-1213.
- Does Rex Grossman accept Medicare?
- Rex Grossman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rex Grossman's NPI active?
- Yes — Rex Grossman's NPI (1306828322) is active in the NPPES registry as of the last update on 2012-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.