Doctor profile · Federal record

Dr. Derek Tennenhouse, M.D.

Obstetrics & Gynecology Physician (CMS: Internal Medicine) · Carmel, IN

  • NPI 1689813073
  • Accepts Medicare
  • MIPS 34.1 / 100 · 2023
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1200 W Carmel Dr, #103
Carmel, IN 460328707
(317) 796-3897

Credentials & registration

NPPES · NUCC
NPI registered
February 2009 — 17 yrs on file
Profile last updated
February 25, 2017
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Indiana #01056104C
Medicaid
IN #200374530

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689813073. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,839
Distinct HCPCS
8
Medicare allowed
$251,651
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 1,195 217 $99
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 943 268 $69
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 286 234 $125
99304 Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 274 223 $75
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 63 26 $74
11042 Removal of skin and tissue, 20.0 sq cm or less 28 23 $119
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 27 27 $37
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 21 $121

In context: peer comparison

Among 11 peers in Carmel Obstetrics & Gynecology Physician, average services per provider: 110. This provider delivers 26× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$114
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Kerecis Limited 1 $113.98

By nature of payment

Food and Beverage
$114

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
255
Patients
94
Total drug cost
$55,234
Drug Type Claims Patients Total cost
Santyl (Collagenase Clostridium Hist.) Brand 110 57 $48,658
Metronidazole Generic 49 25 $572
Gentamicin Sulfate Generic 20 0 $717
Triamcinolone Acetonide Generic 20 0 $231
Ciprofloxacin Hcl Generic 15 12 $203
Doxycycline Hyclate Generic 15 0 $462
Ssd (Silver Sulfadiazine) Brand 15 0 $541
Meropenem-0.9% Nacl (Meropenem-0.9% Sodium Chloride) Brand 11 0 $3,849

Frequently asked questions

Auto-generated from federal data
What is Dr. Derek Tennenhouse's medical specialty?
Dr. Derek Tennenhouse practices Obstetrics & Gynecology Physician in Carmel, IN.
Where does Dr. Derek Tennenhouse practice?
Dr. Derek Tennenhouse practices at 1200 W Carmel Dr, Carmel, IN 460328707. Office phone: 3177963897.
What is Dr. Derek Tennenhouse's NPI?
Dr. Derek Tennenhouse's National Provider Identifier (NPI) is 1689813073, issued by NPPES.
Does Dr. Derek Tennenhouse accept Medicare assignment?
Yes. Dr. Derek Tennenhouse accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Derek Tennenhouse commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Initial nursing facility care with moderate level of medical decision making (HCPCS 99305). Source: CMS Medicare Physician & Other Practitioners file.