Petra P. Angelova-Walker, MD
Internal Medicine Physician · Chicago, IL
Petra P. Angelova-Walker, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1336675933, issued on May 3, 2017. Check the license (Illinois 036151517, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Petra P. Angelova-Walker
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036151517 IL
Self-reported in NPPES; status is on the state search - Practice location
- 259 E Erie St Ste 2150, Chicago, IL 60611
- Phone
- (312) 926-3627
- Enumerated
- May 3, 2017
- Record last updated
- Jun 2, 2026
- Fax
- (312) 926-3858
- Medicare enrollment
- Enrolled (PECOS I20200605002312); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 259 E Erie St Ste 2150
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Petra P. Angelova-Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036151517Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,837 Medicare Part D claims for 301 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 52 claims were for opioids.
Most prescribed
- Atorvastatin Calcium444 claims
- Amlodipine Besylate200 claims
- Levothyroxine Sodium155 claims
- Losartan Potassium121 claims
- Lisinopril92 claims
- Metoprolol Succinate82 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Petra P. Angelova-Walker among 7,238 internal medicine physician records in Illinois
Petra P. Angelova-Walker, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 64% of them.
- NPI issued2017 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2017 · median 2003 among the 3,580 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
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Common questions
What is Petra P. Angelova-Walker, MD's NPI number?
Petra P. Angelova-Walker, MD's National Provider Identifier (NPI) is 1336675933, issued on May 3, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Petra P. Angelova-Walker, MD located?
The NPPES record lists a practice address at 259 E Erie St Ste 2150, Chicago, IL, 60611. Phone: (312) 926-3627. Providers update this record themselves, so call before visiting.
How can I verify Petra P. Angelova-Walker, MD's license?
NPPES lists Illinois license number 036151517, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Petra P. Angelova-Walker, MD prescribe under Medicare Part D?
In 2024, Petra P. Angelova-Walker, MD had 2,837 Medicare Part D claims for 301 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Petra P. Angelova-Walker, MD's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.