Margaret Mclees, MD
NPI 1811087497 · Infectious Disease Physician · Denver, CO
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Mclees, MD is a Infectious Disease Physician provider in Denver, CO (NPI 1811087497).
Provider details
- NPI number
- 1811087497
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- DR.0042469 (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
2 documented practice locations
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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Dolutegravir Sodiumbrand: Tivicay | 65 |
| Rosuvastatin Calcium | 36 |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 34 |
| Gabapentin | 34 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 32 |
| Omeprazole | 24 |
| Dulaglutidebrand: Trulicity | 21 |
| Atorvastatin Calcium | 20 |
Practice location
Mailing address
Additional practice locations (1)
- 4200 E 9th AveDenver, CO 80262-0001Phone: (303) 493-7000
Registry dates
- Enumerated
- 2006-10-13
- Last updated
- 2025-02-13
- Certified
- 2025-02-13
Frequently asked questions
- What is Margaret Mclees's NPI number?
- Margaret Mclees's National Provider Identifier (NPI) is 1811087497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Mclees's specialty?
- Margaret Mclees is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Mclees located?
- Margaret Mclees's practice location on file with NPPES is 777 Bannock St, Denver, CO 80204-4597.
- What is Margaret Mclees's phone number?
- The practice phone number listed in the NPPES registry for Margaret Mclees is (303) 602-3700.
- Does Margaret Mclees accept Medicare?
- Margaret Mclees is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Mclees's NPI active?
- Yes — Margaret Mclees's NPI (1811087497) is active in the NPPES registry as of the last update on 2025-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.