Petra Angelova-Walker, MD
NPI 1336675933 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Petra Angelova-Walker, MD is a Internal Medicine Physician provider in Chicago, IL (NPI 1336675933).
Provider details
- NPI number
- 1336675933
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036151517 (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
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
819 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 251 | $136 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 184 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 113 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $97 |
| Hemoglobin A1c Level83036 | 39 | $10 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 444 | 140 |
| Amlodipine Besylate | 200 | 59 |
| Levothyroxine Sodium | 155 | 37 |
| Losartan Potassium | 121 | 38 |
| Lisinopril | 92 | 26 |
| Metoprolol Succinate | 82 | 28 |
| Omeprazole |
Practice location
Mailing address
Additional practice locations (1)
- 2650 Ridge Ave.Im Hospitalists Ste 4210Evanston, IL 60201Phone: (847) 570-1010Fax: (847) 733-5108
Registry dates
- Enumerated
- 2017-05-03
- Last updated
- 2026-06-02
- Certified
- 2026-06-02
Frequently asked questions
- What is Petra Angelova-Walker's NPI number?
- Petra Angelova-Walker's National Provider Identifier (NPI) is 1336675933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Petra Angelova-Walker's specialty?
- Petra Angelova-Walker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Petra Angelova-Walker located?
- Petra Angelova-Walker's practice location on file with NPPES is 259 E Erie St Ste 2150, Chicago, IL 60611-3370.
- What is Petra Angelova-Walker's phone number?
- The practice phone number listed in the NPPES registry for Petra Angelova-Walker is (312) 926-3627.
- Does Petra Angelova-Walker accept Medicare?
- Petra Angelova-Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Petra Angelova-Walker's NPI active?
- Yes — Petra Angelova-Walker's NPI (1336675933) is active in the NPPES registry as of the last update on 2026-06-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.