Athalia Rachel Pyzer, MD PHD
Internal Medicine Physician · Chicago, IL
Athalia Rachel Pyzer, MD PHD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1073040457, issued on May 17, 2017. Check the license (Illinois 125.069915, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Athalia Rachel Pyzer
- Credential
- MD PHD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 125.069915 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S. Maryland Avenue, Chicago, IL 60637
- Phone
- (773) 795-0232
- Enumerated
- May 17, 2017
- Record last updated
- May 17, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 5841 S. Maryland Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Athalia Rachel Pyzer 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 125.069915Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,867 in Chicago → All 7,238 in Illinois → Every provider in Chicago →
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Common questions
What is Athalia Rachel Pyzer, MD PHD's NPI number?
Athalia Rachel Pyzer, MD PHD's National Provider Identifier (NPI) is 1073040457, issued on May 17, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Athalia Rachel Pyzer, MD PHD located?
The NPPES record lists a practice address at 5841 S. Maryland Avenue, Chicago, IL, 60637. Phone: (773) 795-0232. Providers update this record themselves, so call before visiting.
How can I verify Athalia Rachel Pyzer, MD PHD's license?
NPPES lists Illinois license number 125.069915, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.