Tam Van Thai, D.O.
Emergency Medicine Physician · Palos Heights, IL
Tam Van Thai, D.O. is an emergency medicine physician with a practice address in Palos Heights, Illinois, and NPI 1972503563, issued on Jul 26, 2005. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Tam Van Thai
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- Practice location
- 12251 S 80TH Ave, Palos Heights, IL 60463
- Phone
- (708) 923-5800
- Enumerated
- Jul 26, 2005
- Record last updated
- Nov 16, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (708) 923-8324
- Medicare enrollment
- Enrolled (PECOS I20040609000507); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 12251 S 80TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dario Aguilar, MDHospitalist Physician1306341995
- Anam Ahmed, M.D.Hospitalist Physician1598152704
- Tracy Ahmer, PTAPhysical Therapist1982363909
- Anwar Akhras, MDAnesthesiology Physician1942680640
- Ayman Alsharbini, DOCritical Care Medicine (Internal Medicine) Physician1780947077
Verify Tam Van Thai 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
40% fewer Medicare Part D claims than the average emergency medicine physician in 2024
135 Medicare Part D claims for 86 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Acetaminophen-Codeine15 claims
- Pantoprazole Sodium14 claims
- Azithromycin11 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 practice group's MIPS final score for 2023 (Medicare payment program): 91.1 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).
Bills Medicare through 2 group practices
- Humboldt Park Health Emergency Medicine LLCChicago, IL
- Iems Physician Services PLLCChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tam Van Thai among 3,291 emergency medicine physician records in Illinois
Tam Van Thai, D.O. is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1995 · median 2012 among the 1,867 with a school on file
- Record last updated2007 · 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 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 emergency medicine physician records list a practice address in Palos Heights
They are 12 of the 992 NPPES records with a practice address in Palos Heights, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Palos Heights → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- George Borrelli, D.O.Palos Heights, IL 604631588663090
- Joseph Bremer, M.D.Palos Heights, IL 604631013916626
- Marco Cordero, M.D.Palos Heights, IL 604631902806664
- Gregg Goldberg, M.D.Palos Heights, IL 604631396745717
- Michelle Kallenborn, D.O.Palos Heights, IL 604631720021124
- Lori Marasovich, D.O.Palos Heights, IL 604631588665244
- James Massimilian, D.O.Palos Heights, IL 604631598766966
- Mark Netzel, D.O.Palos Heights, IL 604631144220112
Common questions
What is Tam Van Thai, D.O.'s NPI number?
Tam Van Thai, D.O.'s National Provider Identifier (NPI) is 1972503563, issued on Jul 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Tam Van Thai, D.O. located?
The NPPES record lists a practice address at 12251 S 80TH Ave, Palos Heights, IL, 60463. Phone: (708) 923-5800. Providers update this record themselves, so call before visiting.
How can I verify Tam Van Thai, D.O.'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 Tam Van Thai, D.O. prescribe under Medicare Part D?
In 2024, Tam Van Thai, D.O. had 135 Medicare Part D claims for 86 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Tam Van Thai, D.O.'s MIPS final score?
The 2023 MIPS final score is 91.1 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.