Doctor profile · Federal record

Dr. Nancy Matteer, MD

Gastroenterology Physician · Gastroenterology Physician · Student in an Organized Health Care Education/Training Program · San Antonio, TX

  • NPI 1568615136
  • 18 yrs on file
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
4502 Medical Dr
San Antonio, TX 782294402
(210) 358-4000
Additional location
10600 Montgomery RD
Montgomery, OH 452424463
(513) 794-5600
Additional location
701 E Marshall Ave Ste 200
Longview, TX 756015544
(903) 315-5418
Mailing address
7703 Floyd Curl Dr
San Antonio, TX 782293901

Credentials & registration

NPPES · NUCC
NPI registered
October 2008 — 18 yrs on file
Profile last updated
May 20, 2024
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Texas #N3876 · Ohio #35.144721
Medicaid
TX #209231402

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568615136. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
86
Distinct HCPCS
4
Medicare allowed
$8,205
HCPCS Description Services Patients Avg allowed
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 30 29 $108
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 26 26 $85
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 15 15 $104
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 15 12 $80

In context: peer comparison

Among 38 peers in San Antonio Gastroenterology Physician, average services per provider: 78. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Cook Medical LLC 1 $14.94

By nature of payment

Food and Beverage
$15

Frequently asked questions

Auto-generated from federal data
What is Dr. Nancy Matteer's medical specialty?
Dr. Nancy Matteer practices Gastroenterology Physician in San Antonio, TX.
Where does Dr. Nancy Matteer practice?
Dr. Nancy Matteer practices at 4502 Medical Dr, San Antonio, TX 782294402. Office phone: 2103584000.
What is Dr. Nancy Matteer's NPI?
Dr. Nancy Matteer's National Provider Identifier (NPI) is 1568615136, issued by NPPES.
What procedures does Dr. Nancy Matteer commonly perform?
Top Medicare-reported procedures in 2023: Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43235); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.