Eileen Chang, DO
Hospitalist Physician · Grand Blanc, MI
Eileen Chang, DO is a hospitalist physician with a practice address in Grand Blanc, Michigan, and NPI 1790218360, issued on Apr 10, 2017. Check the license (Michigan 5101025844, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Eileen Chang
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 5101025844 MI
Self-reported in NPPES; status is on the state search - Practice location
- 12745 S Saginaw St # 806-196, Grand Blanc, MI 48439
- Phone
- (248) 691-8646
- Enumerated
- Apr 10, 2017
- Record last updated
- Feb 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 272 in Michigan → Look up another NPI →
Verify Eileen Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101025844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average hospitalist physician in 2024
410 Medicare Part D claims for 186 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 28 claims were for opioids.
Most prescribed
- Omeprazole32 claims
- Cefuroxime23 claims
- Atorvastatin Calcium18 claims
- Furosemide17 claims
- Prednisone16 claims
- Hydrocodone-Acetaminophen13 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.
Eileen Chang among 272 hospitalist physician records in Michigan
Eileen Chang, DO is one of 272 hospitalist physician records with a practice address in Michigan. 90% 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 74% of them.
- NPI issued2017 · 74% of these records are older, 22% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileNo · 85% of these records are
- Record last updated2021 · 40% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Michigan
There are 272 hospitalist physician records in Michigan.
All 272 in Michigan → Every provider in Grand Blanc → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Farzana Haque, MDGrand Blanc, MI 484391336121151
- Navin Prasad, MDGrand Blanc, MI 484391437314408
- Owen CulpepperCommerce Twp, MI 483821194117465
- Rachel Silliman, DOCommerce Township, MI 483821164003224
- Swathi Gorle, MDFlint, MI 485031134610504
- Abed Kanzy, M.DFlint, MI 485031265729370
- Calvin Ghimire, MDFlint, MI 485321922672385
- Aditi Gupta, MDClarkston, MI 483461174779011
Common questions
What is Eileen Chang, DO's NPI number?
Eileen Chang, DO's National Provider Identifier (NPI) is 1790218360, issued on Apr 10, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Eileen Chang, DO located?
The NPPES record lists a practice address at 12745 S Saginaw St # 806-196, Grand Blanc, MI, 48439. Phone: (248) 691-8646. Providers update this record themselves, so call before visiting.
How can I verify Eileen Chang, DO's license?
NPPES lists Michigan license number 5101025844, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eileen Chang, DO prescribe under Medicare Part D?
In 2024, Eileen Chang, DO had 410 Medicare Part D claims for 186 beneficiaries; the average among hospitalist physician prescribers was 521. 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.