NPPES file of Aug 9, 2026

Betty Fan, D.O.

Surgery Physician · Chicago, IL

Betty Fan, D.O. is a surgery physician with a practice address in Chicago, Illinois, and NPI 1669714895, issued on Mar 26, 2013. Check the license (Illinois 036.164960, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669714895
Name
Betty Fan
Credential
D.O.
Primary taxonomy
Surgery Physician 208600000X
License numbers
036.164960 IL
01083940A IN
34.013190 OH
Self-reported in NPPES; status is on the state search
Practice location
5841 S Maryland Ave, Chicago, IL 60637
Phone
(773) 702-1000
Enumerated
Mar 26, 2013
Record last updated
Oct 27, 2023
Medicare enrollment
Enrolled (PECOS I20200804003202); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 5841 S Maryland Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ma. Theresa Abaring, CRNACertified Registered Nurse Anesthetist1962647586
  2. Rouzbeh AbbasgholizadehRetina Specialist (Ophthalmology) Physician1881510030
  3. Jehad Abdalla, MDSleep Medicine (Internal Medicine) Physician1053898684
  4. Sara Abdelaziz, MDEndocrinology, Diabetes & Metabolism Physician1598258089
  5. Noor Abdelrahman, PA-CPhysician Assistant1851012413
  6. Unknown Abdul Hanan, MDBlood Banking & Transfusion Medicine Physician1750022240

Verify Betty Fan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.164960
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

83% fewer Medicare Part D claims than the average surgery physician in 2024

25 Medicare Part D claims for 20 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 13 claims were for opioids.

  1. Betty Fan25
  2. Specialty average147

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.

2 hospitals and group practices

  1. The University OF Chicago Medical CenterChicago, IL · Acute Care Hospitals4 of 5 stars
  2. University OF ChicagoCrown Point, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Surgery Physician providers in Illinois

There are 1,520 surgery physician records in Illinois.

Other surgery physician records in Illinois

  1. Douglas Aach, MDShiloh, IL1508817040
  2. Andrew Abadier, DOChicago, IL1124657473
  3. Shabirhusain Abadin, M.D.Chicago, IL1467712596
  4. Iftikharul Abbasy, MDOak Brook, IL1104814755
  5. Mahmoud Abd-El-Hafez, MDSpringfield, IL1710516943
  6. Samir Abdo, M.D.Eldorado, IL1578612982
  7. Chandrakumaran Abivarma, M.D.Park Ridge, IL1467135137
  8. Gerard Abood, M.DMaywood, IL1629237227
  9. Mohammad Abou El-Ezz, MDChicago, IL1790536746
  10. Gifty Abraham, M.D.Maywood, IL1881039279

Common questions

What is Betty Fan, D.O.'s NPI number?

Betty Fan, D.O.'s National Provider Identifier (NPI) is 1669714895, issued on Mar 26, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Betty Fan, D.O. located?

The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (773) 702-1000. Providers update this record themselves, so call before visiting.

How can I verify Betty Fan, D.O.'s license?

NPPES lists Illinois license number 036.164960, 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 Betty Fan, D.O. prescribe under Medicare Part D?

In 2024, Betty Fan, D.O. had 25 Medicare Part D claims for 20 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

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.