Derek Lewis Tennenhouse, M.D.
Obstetrics & Gynecology Physician · Carmel, IN
Derek Lewis Tennenhouse, M.D. is an obstetrics & gynecology physician with a practice address in Carmel, Indiana, and NPI 1689813073, issued on Feb 10, 2009. Check the license (Indiana 01056104C, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Derek Lewis Tennenhouse
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 01056104C IN
Self-reported in NPPES; status is on the state search - Practice location
- 1200 W Carmel Dr, Carmel, IN 46032
- Phone
- (317) 796-3897
- Enumerated
- Feb 10, 2009
- Record last updated
- Feb 25, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 200374530 IN
- Medicare enrollment
- Enrolled (PECOS I20090409000618); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 894 in Indiana → Look up another NPI →
Verify Derek Lewis Tennenhouse in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01056104CCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
418 Medicare Part D claims for 109 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Santyl112 claims
- Metronidazole45 claims
- Gentamicin Sulfate43 claims
- Doxycycline Hyclate35 claims
- Triamcinolone Acetonide33 claims
- Ssd17 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.
The MIPS final score for 2023 (Medicare payment program): 44.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $113.98
1 payment: food and beverage; the largest payer was Kerecis Limited. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Healogics Specialty Physicians OF Indiana LLCKokomo, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek Lewis Tennenhouse among 894 obstetrics & gynecology physician records in Indiana
Derek Lewis Tennenhouse, M.D. is one of 894 obstetrics & gynecology physician records with a practice address in Indiana. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 68% of them.
- NPI issued2009 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1998 · median 2004 among the 591 with a school on file
- Record last updated2017 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
52 obstetrics & gynecology physician records list a practice address in Carmel
They are 52 of the 3,727 NPPES records with a practice address in Carmel, and 894 obstetrics & gynecology physician records in Indiana.
All 894 in Indiana → Every provider in Carmel → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kristine Bolin, M.D.Carmel, IN 460321407846637
- Maret Cline, M.D.Carmel, IN 460321457341521
- Deborah Delrosario, M.D.Carmel, IN 460321316929847
- Stefanie Flora, MDCarmel, IN 460321417949397
- Mala Freeman-Kwaku, MDCarmel, IN 460321972582286
- Tamara Helfer, M.D.Carmel, IN 460321932102969
- Lynn Klus, M.D.Carmel, IN 460321972585537
- Leigh Meltzer, M.D.Carmel, IN 460321790767366
Common questions
What is Derek Lewis Tennenhouse, M.D.'s NPI number?
Derek Lewis Tennenhouse, M.D.'s National Provider Identifier (NPI) is 1689813073, issued on Feb 10, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Derek Lewis Tennenhouse, M.D. located?
The NPPES record lists a practice address at 1200 W Carmel Dr, Carmel, IN, 46032. Phone: (317) 796-3897. Providers update this record themselves, so call before visiting.
How can I verify Derek Lewis Tennenhouse, M.D.'s license?
NPPES lists Indiana license number 01056104C, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Derek Lewis Tennenhouse, M.D. prescribe under Medicare Part D?
In 2024, Derek Lewis Tennenhouse, M.D. had 418 Medicare Part D claims for 109 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Derek Lewis Tennenhouse, M.D.'s MIPS final score?
The 2023 MIPS final score is 44.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.