Thomas N. Hammerman
Marriage & Family Therapist · Evanston, IL
Thomas N. Hammerman is a marriage & family therapist with a practice address in Evanston, Illinois, and NPI 1790948685, issued on Jul 9, 2008. Check the license (Illinois 166.000813, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Thomas N. Hammerman
- Primary taxonomy
- Marriage & Family Therapist 106H00000X
- License number
- 166.000813 IL
Self-reported in NPPES; status is on the state search - Practice location
- 820 Davis St, Evanston, IL 60201
- Phone
- (847) 424-1924
- Enumerated
- Jul 9, 2008
- Record last updated
- Dec 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 820 Davis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Scott Feldman, MDPsychiatry Physician1407940166
- Jill Freedman, MSWClinical Social Worker1245360015
- Carla Frisch, M.A.Clinical Social Worker1194814350
- Michael Johnson, D,D,SGeneral Practice Dentistry1720022387
- Hala Killidar, DDSGeneral Practice Dentistry1013944438
- Joann Kochikaran, D.D.SGeneral Practice Dentistry1265476840
Verify Thomas N. Hammerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 166.000813Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62 marriage & family therapist records list a practice address in Evanston
They are 62 of the 4,013 NPPES records with a practice address in Evanston, and 1,328 marriage & family therapist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 62 in Evanston → All 1,328 in Illinois → Every provider in Evanston →
Other marriage & family therapist records in Illinois
- Bithynia Abarca, MA, LMFTLibertyville, IL1053866483
- Nadine AbdelrahimChicago, IL1518840404
- Linda AbdelsayedChicago, IL1205151925
- Kelsey Abiera, MA, LMFTGlen Ellyn, IL1215595780
- Wendy Abraham, LMFTNaperville, IL1083203566
- Ayda Ad Astra, LMFTChicago, IL1487152229
- Debra Adamolekun, MSChicago, IL1629995725
- Amanda Adams, LMFTGlenview, IL1609168509
- Oluwabukola Adeyinka, LMFTChicago, IL1326591637
- Elaine Adler, MA COUNSELING PSYNorthbrook, IL1790900181
Common questions
What is Thomas N. Hammerman's NPI number?
Thomas N. Hammerman's National Provider Identifier (NPI) is 1790948685, issued on Jul 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Thomas N. Hammerman located?
The NPPES record lists a practice address at 820 Davis St, Evanston, IL, 60201. Phone: (847) 424-1924. Providers update this record themselves, so call before visiting.
How can I verify Thomas N. Hammerman's license?
NPPES lists Illinois license number 166.000813, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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. 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.