Mary Guese, M.D.
NPI 1730479742 · Internal Medicine Physician · Highlands Ranch, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Guese, M.D. is a Internal Medicine Physician provider in Highlands Ranch, CO (NPI 1730479742).
Provider details
- NPI number
- 1730479742
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
83% 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 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 388 | 124 |
| Levothyroxine Sodium | 385 | 115 |
| Lisinopril | 227 | 73 |
| Omeprazole | 205 | 78 |
| Losartan Potassium | 189 | 62 |
| Simvastatin | 188 | 58 |
| Amlodipine Besylate | 170 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-11
- Last updated
- 2021-06-21
- Certified
- 2021-06-21
Frequently asked questions
- What is Mary Guese's NPI number?
- Mary Guese's National Provider Identifier (NPI) is 1730479742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Guese's specialty?
- Mary Guese is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Guese located?
- Mary Guese's practice location on file with NPPES is 9285 Hepburn St, Highlands Ranch, CO 80129-2262.
- What is Mary Guese's phone number?
- The practice phone number listed in the NPPES registry for Mary Guese is (303) 338-4545.
- Does Mary Guese accept Medicare?
- Mary Guese is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Guese's NPI active?
- Yes — Mary Guese's NPI (1730479742) is active in the NPPES registry as of the last update on 2021-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.