Doctor profile · Federal record
Dr. Michael Guirl, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · San Antonio, TX
- NPI 1962496711
- Accepts Medicare
- MIPS 79.9 / 100 · 2023
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
855 Proton RD
San Antonio, TX 782584203
(210) 614-1234
fax (210) 614-0952 - Additional location
-
12850 Toepperwein RD
Live Oak, TX 782334115 - Additional location
-
5223 Hamilton Wolfe RD
San Antonio, TX 782294463 - Mailing address
-
8415 Datapoint Dr Ste 700
San Antonio, TX 782293327
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- March 17, 2018
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Texas #K5545
- Medicaid
- TX #164848701
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1962496711. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,124
Distinct HCPCS
10
Medicare allowed
$157,931
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 205 | 204 | $240 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 199 | 167 | $123 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 184 | 183 | $98 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 102 | 102 | $160 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 92 | 86 | $86 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 91 | 90 | $172 | |
43450 |
Dilation of esophagus | 61 | 60 | $38 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 54 | 54 | $171 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 53 | 53 | $107 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 38 | 38 | $139 |
In context: peer comparison
Among 38 peers in San Antonio Gastroenterology Physician, average services per provider: 78. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$1,421
Transactions
64
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 22 | $359.08 | |
| Janssen Biotech, INC. | 12 | $231.21 | |
| Phathom Pharmaceuticals, INC. | 3 | $156.02 | |
| Takeda Pharmaceuticals U.S.A., INC. | 5 | $124.85 | |
| Regeneron Healthcare Solutions, INC. | 3 | $77.52 | |
| Gilead Sciences, INC. | 3 | $76.57 | |
| Ipsen Biopharmaceuticals, INC | 2 | $55.30 | |
| Aimmune Therapeutics, INC. | 3 | $50.35 | |
| Celltrion USA INC. | 3 | $47.03 | |
| Qol Medical, LLC | 2 | $45.75 | |
| Madrigal Pharmaceuticals | 2 | $38.04 | |
| Lilly USA, LLC | 1 | $34.91 | |
| Ironwood Pharmaceuticals, INC | 1 | $28.47 | |
| Merck Sharp & Dohme LLC | 1 | $23.23 | |
| Pfizer INC. | 1 | $19.96 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,365
Patients
697
Total drug cost
$228,912
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 424 | 131 | $6,524 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 132 | 128 | $2,246 |
| Plenvu (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) | Brand | 128 | 124 | $18,430 |
| Omeprazole | Generic | 127 | 42 | $1,396 |
| Dicyclomine Hcl | Generic | 78 | 41 | $1,856 |
| Linzess (Linaclotide) | Brand | 75 | 27 | $64,935 |
| Famotidine | Generic | 67 | 24 | $1,240 |
| Creon (Lipase/Protease/Amylase) | Brand | 51 | 14 | $91,015 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 50 | 0 | $21,922 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 47 | 46 | $8,007 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Guirl's medical specialty?
Dr. Michael Guirl practices Gastroenterology Physician in San Antonio, TX.
Where does Dr. Michael Guirl practice?
Dr. Michael Guirl practices at 855 Proton RD, San Antonio, TX 782584203. Office phone: 2106141234.
What is Dr. Michael Guirl's NPI?
Dr. Michael Guirl's National Provider Identifier (NPI) is 1962496711, issued by NPPES.
Does Dr. Michael Guirl accept Medicare assignment?
Yes. Dr. Michael Guirl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Guirl commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.