Greta Bires, MD
NPI 1164985040 · Family Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greta Bires, MD is a Family Medicine Physician provider in Chicago, IL (NPI 1164985040).
Provider details
- NPI number
- 1164985040
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD475023 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
243 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 61 | $93 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 53 | $130 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 43 | $79 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 34 | $134 |
| Administration of Influenza Virus VaccineG0008 | 23 | $34 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 32 | 22 |
| Losartan Potassium | 19 | 16 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 18 | — |
| Lisinopril | 16 | — |
| Amlodipine Besylate | 15 | 12 |
| Tamsulosin Hcl | 15 | — |
Practice location
Mailing address
Additional practice locations (2)
- 400 W Route 38 Fl 1Moorestown, NJ 08057-3219Phone: (856) 608-8840
- 833 Chestnut St Ste 301Philadelphia, PA 19107-4405Phone: (215) 955-7190Fax: (215) 955-8600
Registry dates
- Enumerated
- 2019-04-09
- Last updated
- 2025-10-09
- Certified
- 2025-10-09
Frequently asked questions
- What is Greta Bires's NPI number?
- Greta Bires's National Provider Identifier (NPI) is 1164985040, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greta Bires's specialty?
- Greta Bires is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Greta Bires located?
- Greta Bires's practice location on file with NPPES is 259 E Erie St Ste 2150, Chicago, IL 60611-3370.
- What is Greta Bires's phone number?
- The practice phone number listed in the NPPES registry for Greta Bires is (312) 926-3627.
- Does Greta Bires accept Medicare?
- Greta Bires is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Greta Bires's NPI active?
- Yes — Greta Bires's NPI (1164985040) is active in the NPPES registry as of the last update on 2025-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.