Pak Ho Au, MD
Hospitalist Physician · Chicago, IL
Pak Ho Au, MD is a hospitalist physician with a practice address in Chicago, Illinois, and NPI 1972120814, issued on Jun 26, 2020. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Pak Ho Au
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 2023008810 MO
Self-reported in NPPES; status is on the state search - Practice location
- 645 N Michigan Ave Ste 900, Chicago, IL 60611
- Phone
- (312) 926-9877
- Enumerated
- Jun 26, 2020
- Record last updated
- Jun 18, 2024
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 645 N Michigan Ave Ste 900
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fiorella Krapp Lopez, M.D.Internal Medicine Physician1023305398
Verify Pak Ho Au in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average hospitalist physician in 2024
34 Medicare Part D claims for 13 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Pak Ho Au among 1,535 hospitalist physician records in Illinois
Pak Ho Au, MD is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 79% of them.
- NPI issued2020 · 79% of these records are older, 14% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileNo · 87% of these records are
- Record last updated2024 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Chicago → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Abby Agulnek, DOChicago, IL 606111689662942
- Jeffrey Barsuk, MDChicago, IL 606111528031333
- Anjali Desai, M.D.Chicago, IL 606111730126004
- Vinnette Forde, MDChicago, IL 606111033174164
- Peter Kallas, M.D.Chicago, IL 606111760425797
- Michael Kornfeld, MDChicago, IL 606111538198833
- Nita Kulkarni, MDChicago, IL 606111790717460
- Matthew Landler, MDChicago, IL 606111740212398
Common questions
What is Pak Ho Au, MD's NPI number?
Pak Ho Au, MD's National Provider Identifier (NPI) is 1972120814, issued on Jun 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Pak Ho Au, MD located?
The NPPES record lists a practice address at 645 N Michigan Ave Ste 900, Chicago, IL, 60611. Phone: (312) 926-9877. Providers update this record themselves, so call before visiting.
How can I verify Pak Ho Au, MD's license?
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 Pak Ho Au, MD prescribe under Medicare Part D?
In 2024, Pak Ho Au, MD had 34 Medicare Part D claims for 13 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Pak Ho Au, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.