Doctor profile · Federal record

Dr. Mark Gentry, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Danville, IN

  • NPI 1144260191
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
112 Hospital Lane, Suite 200
Danville, IN 46122
(317) 745-3366
fax (317) 745-8528
Mailing address
1100 Southfield Dr, Suite 1370
Plainfield, IN 461684498

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 4, 2021
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Indiana #01036942
Medicaid
IN #100133900A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144260191. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
97
Distinct HCPCS
3
Medicare allowed
$8,066
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 66 35 $85
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 17 13 $113
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 14 14 $37

In context: peer comparison

Among 2 peers in this city , average services per provider: 25. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$353
Transactions
12
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 4 $176.03
Sumitomo Pharma America, Inc. 3 $63.21
Astellas Pharma US Inc 2 $45.58
SHIELD THERAPEUTICS INC 1 $26.01
Biogen, Inc. 1 $21.66
Hologic Sales and Service, LLC 1 $20.36

By nature of payment

Food and Beverage
$353

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
66
Patients
0
Total drug cost
$9,259
Drug Type Claims Patients Total cost
Estradiol Generic 21 0 $807
Premarin (Estrogens, Conjugated) Brand 19 0 $5,574
Valacyclovir (Valacyclovir Hcl) Brand 14 0 $1,883
Norethindrone Acetate Generic 12 0 $994

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Gentry's medical specialty?
Dr. Mark Gentry practices Obstetrics & Gynecology Physician in Danville, IN.
Where does Dr. Mark Gentry practice?
Dr. Mark Gentry practices at 112 Hospital Lane, Danville, IN 46122. Office phone: 3177453366.
What is Dr. Mark Gentry's NPI?
Dr. Mark Gentry's National Provider Identifier (NPI) is 1144260191, issued by NPPES.
Does Dr. Mark Gentry accept Medicare assignment?
Yes. Dr. Mark Gentry accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Gentry commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (HCPCS 76830); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.