NPPES file of Aug 9, 2026

Don Nasi Teed, M.D.

Hospitalist Physician · Oak Park, IL

Don Nasi Teed, M.D. is a hospitalist physician with a practice address in Oak Park, Illinois, and NPI 1194154799, issued on Nov 4, 2013. Check the license (Illinois 036159843, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194154799
Name
Don Nasi Teed
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
036159843 IL
Self-reported in NPPES; status is on the state search
Practice location
520 S Maple Ave, Oak Park, IL 60304
Phone
(708) 383-9300
Enumerated
Nov 4, 2013
Record last updated
Jun 22, 2026
Medicare enrollment
Enrolled (PECOS I20220921001632); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Human Medicine, 2013
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.
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8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →

Also registered at 520 S Maple Ave

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

  1. Maria Aguinaldo, M.D.Emergency Medicine Physician1306877220
  2. Hayley Altshuler, PA-CPhysician Assistant1396490991
  3. Saadia Alvi, M.D.Endocrinology, Diabetes & Metabolism Physician1568682177
  4. Jessie Amstadt, RN, AA-SANERegistered Nurse1730995762
  5. Elizabeth Bassett, CRNACertified Registered Nurse Anesthetist1053717033
  6. Cynthia Batassa, DPTPhysical Therapist1487186730

Verify Don Nasi Teed 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 036159843    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.

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Bills Medicare through one group practice

  1. Cimpar SCOak Park, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Don Nasi Teed among 1,535 hospitalist physician records in Illinois

Don Nasi Teed, M.D. 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 2013, is newer than 43% of them.

  • NPI issued2013 · 43% of these records are older, 52% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 87% of these records are
  • Graduated2013 · median 2013 among the 1,339 with a school on file
  • Record last updated2026 · 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 Oak Park → Hospitalist Physician nationwide →

The 8 hospitalist physician records with the nearest ZIP codes

  1. Vivek Cherian, MDOak Park, IL 603041811333735
  2. Suhail Khokhar, MD, MPHOak Park, IL 603041629635107
  3. Jay Liboon, D.O.Oak Park, IL 603041265669436
  4. Harsaheb Sra, MDOak Park, IL 603041679222871
  5. Mohammed Ahmed, DOOak Park, IL 603021932691672
  6. Joshua Ajjarapu, M.D.Oak Park, IL 603021841501699
  7. Sankha Banerjee, MDOak Park, IL 603021265939169
  8. Tariq Mubarak, M.DOak Park, IL 603021811254303

Common questions

What is Don Nasi Teed, M.D.'s NPI number?

Don Nasi Teed, M.D.'s National Provider Identifier (NPI) is 1194154799, issued on Nov 4, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Don Nasi Teed, M.D. located?

The NPPES record lists a practice address at 520 S Maple Ave, Oak Park, IL, 60304. Phone: (708) 383-9300. Providers update this record themselves, so call before visiting.

How can I verify Don Nasi Teed, M.D.'s license?

NPPES lists Illinois license number 036159843, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.