Doctor profile · Federal record

Dr. Michael Keller, M.D.

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · San Antonio, TX

  • NPI 1659572824
  • Accepts Medicare
  • MIPS 86.7 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7950 Floyd Curl Dr Ste 101, Medical Tower I
San Antonio, TX 782293916
(210) 614-0880

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
May 10, 2018
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
Texas #N5765
Medicaid
TX #286241902

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659572824. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
409
Distinct HCPCS
10
Medicare allowed
$49,705
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 128 87 $120
99204 New patient office or other outpatient visit, 45-59 minutes 86 86 $158
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 59 31 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 49 48 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 17 15 $87
46600 Diagnostic exam of anus using an endoscope 16 11 $114
45380 Biopsy of large bowel using a flexible endoscope 15 15 $166
36561 Insertion of central venous tube with port (5 years or older) 13 13 $298
76937 Ultrasonic guidance for blood vessel access 13 13 $14
77001 Fluoroscopic guidance for insertion or removal of central vein access device 13 13 $17

In context: peer comparison

Among 6 peers in San Antonio Colon & Rectal Surgery Physician, average services per provider: 44. This provider delivers 9.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,313
Transactions
16
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 7 $1,811.25
Tela Bio, INC. 3 $184.66
Medtronic, INC. 1 $116.97
Myriad Genetic Laboratories, INC. 1 $103.45
Davol INC. 1 $35.86
Biotissue Holdings INC. 2 $33.92
Kerecis Limited 1 $26.44

By nature of payment

Food and Beverage
$1,342
Travel and Lodging
$956
Gift
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
145
Patients
137
Total drug cost
$3,508
Drug Type Claims Patients Total cost
Metronidazole Generic 44 42 $119
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 39 38 $2,973
Neomycin Sulfate Generic 29 29 $187
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 22 17 $199
Tramadol Hcl Generic 11 11 $29

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Keller's medical specialty?
Dr. Michael Keller practices Colon & Rectal Surgery Physician in San Antonio, TX.
Where does Dr. Michael Keller practice?
Dr. Michael Keller practices at 7950 Floyd Curl Dr Ste 101, San Antonio, TX 782293916. Office phone: 2106140880.
What is Dr. Michael Keller's NPI?
Dr. Michael Keller's National Provider Identifier (NPI) is 1659572824, issued by NPPES.
Does Dr. Michael Keller accept Medicare assignment?
Yes. Dr. Michael Keller accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Keller commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.