John W. Tenhundfeld, M.D.
Family Medicine Physician · Chicago, IL
John W. Tenhundfeld, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1770578866, issued on Sep 14, 2005. Check the license (Illinois 036091599, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John W. Tenhundfeld
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036091599 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1317 W Diversey Pkwy, Chicago, IL 60614
- Phone
- (773) 665-9355
- Enumerated
- Sep 14, 2005
- Record last updated
- Feb 26, 2025
- Fax
- (773) 665-0403
- Medicaid ID
- 036091599 IL
- Medicare enrollment
- Enrolled (PECOS I20100322000887); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 1317 W Diversey Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Rube, M.D.Family Medicine Physician1992790877
Verify John W. Tenhundfeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036091599Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average family medicine physician in 2024
2,005 Medicare Part D claims for 165 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Atorvastatin Calcium141 claims
- Rosuvastatin Calcium132 claims
- Amlodipine Besylate101 claims
- Hydrochlorothiazide84 claims
- Levothyroxine Sodium64 claims
- Lisinopril63 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.
Industry payments in 2024: $134.48
2 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Advocate Health And Hospitals CorporationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John W. Tenhundfeld among 6,215 family medicine physician records in Illinois
John W. Tenhundfeld, M.D. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% 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, 91% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1993 · median 2006 among the 3,714 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,593 family medicine physician records list a practice address in Chicago
They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Chicago → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- James Arons, D.O.Chicago, IL 606141558351643
- Jane Bang, M.D.Chicago, IL 606141588740955
- Christopher Boisselle, M.D.Chicago, IL 606141568780740
- Brian Casaclang, D.O.Chicago, IL 606141093740490
- Andrew Guzman, MDChicago, IL 606141417368226
- Erica Hartl, MDChicago, IL 606141942239447
- Karl Kirby, M.D.Chicago, IL 606141760416531
- Marla Kushner, DOChicago, IL 606141538119268
Common questions
What is John W. Tenhundfeld, M.D.'s NPI number?
John W. Tenhundfeld, M.D.'s National Provider Identifier (NPI) is 1770578866, issued on Sep 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John W. Tenhundfeld, M.D. located?
The NPPES record lists a practice address at 1317 W Diversey Pkwy, Chicago, IL, 60614. Phone: (773) 665-9355. Providers update this record themselves, so call before visiting.
How can I verify John W. Tenhundfeld, M.D.'s license?
NPPES lists Illinois license number 036091599, 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.
How much does John W. Tenhundfeld, M.D. prescribe under Medicare Part D?
In 2024, John W. Tenhundfeld, M.D. had 2,005 Medicare Part D claims for 165 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.