Ivan Geller, MD
NPI 1003923194 · Geriatric Medicine (Internal Medicine) Physician · Wheat Ridge, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ivan Geller, MD is a Geriatric Medicine (Internal Medicine) Physician provider in Wheat Ridge, CO (NPI 1003923194).
Provider details
- NPI number
- 1003923194
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25075 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-08-24
- Last updated
- 2012-10-16
Frequently asked questions
- What is Ivan Geller's NPI number?
- Ivan Geller's National Provider Identifier (NPI) is 1003923194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ivan Geller's specialty?
- Ivan Geller is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Ivan Geller located?
- Ivan Geller's practice location on file with NPPES is 3885 Upham St, Wheat Ridge, CO 80033-4880.
- What is Ivan Geller's phone number?
- The practice phone number listed in the NPPES registry for Ivan Geller is (303) 742-0108.
- Does Ivan Geller accept Medicare?
- Ivan Geller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ivan Geller's NPI active?
- Yes — Ivan Geller's NPI (1003923194) is active in the NPPES registry as of the last update on 2012-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.