Robert Dexter, M.D.
NPI 1265562029 · Internal Medicine Physician · Denver, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Dexter, M.D. is a Internal Medicine Physician provider in Denver, CO (NPI 1265562029).
Provider details
- NPI number
- 1265562029
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 42427 (CO)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 573 | 166 |
| Losartan Potassium | 319 | 93 |
| Amlodipine Besylate | 318 | 88 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 296 | 50 |
| Lisinopril | 260 | 80 |
| Oxycodone Hcl | 240 | 36 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-07
- Last updated
- 2022-02-01
Frequently asked questions
- What is Robert Dexter's NPI number?
- Robert Dexter's National Provider Identifier (NPI) is 1265562029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Dexter's specialty?
- Robert Dexter is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Dexter located?
- Robert Dexter's practice location on file with NPPES is 1375 E 20th Ave, Denver, CO 80205-5422.
- What is Robert Dexter's phone number?
- The practice phone number listed in the NPPES registry for Robert Dexter is (303) 338-4545.
- Does Robert Dexter accept Medicare?
- Robert Dexter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Dexter's NPI active?
- Yes — Robert Dexter's NPI (1265562029) is active in the NPPES registry as of the last update on 2022-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.