Doctor profile · Federal record

Dr. John Tenhundfeld, M.D.

Family Medicine Physician (CMS: Family Practice) · Chicago, IL

  • NPI 1770578866
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1317 W Diversey Pkwy
Chicago, IL 606141207
(773) 665-9355
fax (773) 665-0403
Mailing address
1435 W. Webster
Chicago, IL 606143049

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
February 26, 2025
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036091599
Medicaid
IL #036091599

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770578866. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
511
Distinct HCPCS
7
Medicare allowed
$41,313
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 155 77 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 112 66 $134
99213 Established patient office or other outpatient visit, 20-29 minutes 76 41 $95
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 56 56 $131
99215 Established patient office or other outpatient visit, 40-54 minutes 51 34 $187
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 40 34 $15
G0444 Annual depression screening, 5 to 15 minutes 21 21 $18

In context: peer comparison

Among 295 peers in this city , average services per provider: 85. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$134
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $115.70
Hologic Sales and Service, LLC 1 $18.78

By nature of payment

Food and Beverage
$134

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
832
Patients
214
Total drug cost
$83,705
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 113 38 $1,775
Rosuvastatin Calcium Generic 95 31 $1,650
Amlodipine Besylate Generic 81 26 $781
Hydrochlorothiazide Generic 81 21 $396
Lisinopril Generic 75 25 $631
Metoprolol Succinate Generic 71 23 $1,678
Metformin Hcl Generic 60 19 $716
Levothyroxine Sodium Generic 52 17 $892
Simvastatin Generic 46 14 $419
Jardiance (Empagliflozin) Brand 28 0 $29,958

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Tenhundfeld's medical specialty?
Dr. John Tenhundfeld practices Family Medicine Physician in Chicago, IL.
Where does Dr. John Tenhundfeld practice?
Dr. John Tenhundfeld practices at 1317 W Diversey Pkwy, Chicago, IL 606141207. Office phone: 7736659355.
What is Dr. John Tenhundfeld's NPI?
Dr. John Tenhundfeld's National Provider Identifier (NPI) is 1770578866, issued by NPPES.
Does Dr. John Tenhundfeld accept Medicare assignment?
Yes. Dr. John Tenhundfeld accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Tenhundfeld commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.