Irene Macharia, M.D.
NPI 1881868859 · Internal Medicine Physician · Aurora, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irene Macharia, M.D. is a Internal Medicine Physician provider in Aurora, CO (NPI 1881868859).
Provider details
- NPI number
- 1881868859
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 49712 (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
18 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 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Tartrate | 47 | 25 |
| Losartan Potassium | 45 | 24 |
| Furosemide | 36 | 29 |
| Atorvastatin Calcium | 36 | 19 |
| Dabigatran Etexilate Mesylatebrand: Pradaxa | 35 | 19 |
| Lisinopril | 31 | 20 |
| Oxycodone Hcl | 28 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-04-21
- Last updated
- 2021-06-14
- Certified
- 2021-06-14
Frequently asked questions
- What is Irene Macharia's NPI number?
- Irene Macharia's National Provider Identifier (NPI) is 1881868859, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Macharia's specialty?
- Irene Macharia is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Irene Macharia located?
- Irene Macharia's practice location on file with NPPES is 2550 S Parker Rd, Aurora, CO 80014-1622.
- What is Irene Macharia's phone number?
- The practice phone number listed in the NPPES registry for Irene Macharia is (303) 338-4545.
- Does Irene Macharia accept Medicare?
- Irene Macharia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irene Macharia's NPI active?
- Yes — Irene Macharia's NPI (1881868859) is active in the NPPES registry as of the last update on 2021-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.