Gary D. Thal, MD
Anesthesiology Physician · Northbrook, IL
Gary D. Thal, MD is an anesthesiology physician with a practice address in Northbrook, Illinois, and NPI 1770526071, issued on Jun 14, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gary D. Thal
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 77798 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Astellas Way, Northbrook, IL 60062
- Phone
- (224) 205-5278
- Enumerated
- Jun 14, 2006
- Record last updated
- Mar 27, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,575 in Illinois → Look up another NPI →
Also registered at 1 Astellas Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joyce Steinberg, MDHematology & Oncology Physician1104258193
Verify Gary D. Thal 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
Gary D. Thal among 2,575 anesthesiology physician records in Illinois
Gary D. Thal, MD is one of 2,575 anesthesiology physician records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 61% newer
- In a Medicare fileNo · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2014 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Illinois
There are 2,575 anesthesiology physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,575 in Illinois → Every provider in Northbrook → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Sheila Ehrlich, MDNorthbrook, IL 600621386827848
- Sei Oh, MDNorthbrook, IL 600621619248168
- Selena Peters, MDNorthbrook, IL 600621063426880
- Raya Pyatetsky, M.D.Northbrook, IL 600621558630723
- Serge Tyler, MDNorthbrook, IL 600621669590667
- Marina Zhuk, M.D.Northbrook, IL 600621306010418
- Stanislas Chi, DNP, CRNANorth Chicago, IL 600641689450942
- Alpa Raval, M.D.North Chicago, IL 600641588770101
Common questions
What is Gary D. Thal, MD's NPI number?
Gary D. Thal, MD's National Provider Identifier (NPI) is 1770526071, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary D. Thal, MD located?
The NPPES record lists a practice address at 1 Astellas Way, Northbrook, IL, 60062. Phone: (224) 205-5278. Providers update this record themselves, so call before visiting.
How can I verify Gary D. Thal, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.