Doctor profile · Federal record

Dr. Mark Nichols, M.D.

Obstetrics & Gynecology Physician · Conroe, TX

  • NPI 1891780227
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
605 S Conroe Medical Dr
Conroe, TX 773044722
(936) 539-4004
fax (936) 539-3635

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
March 7, 2023
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Texas #L0457
Medicaid
TX #1560377-03

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891780227. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$27
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Baxter Healthcare 1 $26.92

By nature of payment

Food and Beverage
$27

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Nichols's medical specialty?
Dr. Mark Nichols practices Obstetrics & Gynecology Physician in Conroe, TX.
Where does Dr. Mark Nichols practice?
Dr. Mark Nichols practices at 605 S Conroe Medical Dr, Conroe, TX 773044722. Office phone: 9365394004.
What is Dr. Mark Nichols's NPI?
Dr. Mark Nichols's National Provider Identifier (NPI) is 1891780227, issued by NPPES.