NPPES file of Aug 9, 2026

Mark E. Gentry, MD

Obstetrics & Gynecology Physician · Danville, IN

Mark E. Gentry, MD is an obstetrics & gynecology physician with a practice address in Danville, Indiana, and NPI 1144260191, issued on Jun 7, 2006. Check the license (Indiana 01036942, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144260191
Name
Mark E. Gentry
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
01036942 IN
Self-reported in NPPES; status is on the state search
Practice location
112 Hospital Lane, Danville, IN 46122
Phone
(317) 745-3366
Enumerated
Jun 7, 2006
Record last updated
Mar 4, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(317) 745-8528
Medicaid ID
100133900A IN
Medicare enrollment
Enrolled (PECOS I20090512000477); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 1986
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 112 Hospital Lane

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Eric Deweese, M.D.Pulmonary Disease Physician1891796983
  2. Barbara Koewler, MDObstetrics & Gynecology Physician1588695043

Verify Mark E. Gentry in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01036942
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Indiana license search

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45% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

239 Medicare Part D claims for 73 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Mark Gentry239
  2. Specialty average165

Most prescribed

  1. Estradiol42 claims
  2. Premarin21 claims
  3. Medroxyprogesterone Acetate12 claims
  4. Norethindrone Acetate12 claims
  5. Valacyclovir12 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: $352.85

12 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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.

  1. Mark Gentry$352.85
  2. Specialty average$1,030.61

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

  1. Hendricks County HospitalDanville, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark E. Gentry among 894 obstetrics & gynecology physician records in Indiana

Mark E. Gentry, MD 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 2006, is newer than 20% of them.

  • NPI issued2006 · 20% of these records are older, 45% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1986 · median 2004 among the 591 with a school on file
  • Record last updated2021 · 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).

7 obstetrics & gynecology physician records list a practice address in Danville

They are 7 of the 508 NPPES records with a practice address in Danville, and 894 obstetrics & gynecology physician records in Indiana.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Rukeme Ake-Uzoigwe, MDDanville, IN 461221477959419
  2. Clark Boccone, M.D.Danville, IN 461221285832287
  3. Erin Deist, MDDanville, IN 461221689323107
  4. Ian Johnston, M.D.Danville, IN 461221679551345
  5. Nicole King, M.D.Danville, IN 461221184945198
  6. Barbara Koewler, MDDanville, IN 461221588695043
  7. Grace Badman, M.D.Avon, IN 461231477531986
  8. Deanna Fenoughty, M.D.Avon, IN 461231245218908

Common questions

What is Mark E. Gentry, MD's NPI number?

Mark E. Gentry, MD's National Provider Identifier (NPI) is 1144260191, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark E. Gentry, MD located?

The NPPES record lists a practice address at 112 Hospital Lane, Danville, IN, 46122. Phone: (317) 745-3366. Providers update this record themselves, so call before visiting.

How can I verify Mark E. Gentry, MD's license?

NPPES lists Indiana license number 01036942, 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 Mark E. Gentry, MD prescribe under Medicare Part D?

In 2024, Mark E. Gentry, MD had 239 Medicare Part D claims for 73 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.