Colleen Majewski, M.D.
NPI 1518113513 · Endocrinology, Diabetes & Metabolism Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colleen Majewski, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Chicago, IL (NPI 1518113513).
Provider details
- NPI number
- 1518113513
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 125051493 (IL)
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 tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,780 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 564 | $41 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 468 | $136 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 212 | $15 |
| Hemoglobin A1c Level83036 | 161 | $9 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 104 | $177 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 303 | 69 |
| Levothyroxine Sodium | 230 | 72 |
| Alendronate Sodium | 194 | 64 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 193 | 58 |
| Empagliflozinbrand: Jardiance | 156 | 46 |
| Metformin Hclbrand: Metformin Hcl Er | 146 | 49 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-11
- Last updated
- 2014-05-06
Frequently asked questions
- What is Colleen Majewski's NPI number?
- Colleen Majewski's National Provider Identifier (NPI) is 1518113513, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Majewski's specialty?
- Colleen Majewski is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Colleen Majewski located?
- Colleen Majewski's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1447.
- What is Colleen Majewski's phone number?
- The practice phone number listed in the NPPES registry for Colleen Majewski is (773) 702-6138.
- Does Colleen Majewski accept Medicare?
- Colleen Majewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colleen Majewski's NPI active?
- Yes — Colleen Majewski's NPI (1518113513) is active in the NPPES registry as of the last update on 2014-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.