Doctor profile · Federal record

Dr. Joseph Johnson, MD

Gastroenterology Physician (CMS: Gastroenterology) · San Antonio, TX

  • NPI 1477557072
  • Accepts Medicare
  • MIPS 79.9 / 100 · 2023
  • 43 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
520 E Euclid Ave
San Antonio, TX 782124414
(210) 271-0606
Mailing address
520 E. Euclid Ave.
San Antonio, TX 78212

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
January 31, 2017
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Texas #G5224
Medicaid
TX #119179302

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477557072. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,094
Distinct HCPCS
10
Medicare allowed
$134,702
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 251 222 $85
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 210 207 $101
45380 Biopsy of large bowel using a flexible endoscope 186 186 $170
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 121 121 $174
43450 Dilation of esophagus 72 71 $37
99214 Established patient office or other outpatient visit, 30-39 minutes 64 59 $121
99203 New patient office or other outpatient visit, 30-44 minutes 48 48 $107
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 38 38 $240
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 35 35 $174
45378 Diagnostic exam of large bowel using a flexible endoscope 33 33 $170

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

CMS Open Payments
All-time total
$191
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 3 $139.31
Abbvie INC. 2 $36.37
Medtronic, INC. 1 $15.32

By nature of payment

Education
$98
Food and Beverage
$93

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,173
Patients
912
Total drug cost
$508,724
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 506 151 $6,018
Omeprazole Generic 472 126 $6,214
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 343 333 $58,572
Famotidine Generic 232 66 $3,414
Dexlansoprazole Dr (Dexlansoprazole) Brand 119 22 $47,831
Sucralfate Generic 93 47 $3,668
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 82 82 $1,401
Esomeprazole Magnesium Generic 81 24 $3,070
Dicyclomine Hcl Generic 79 24 $708
Linzess (Linaclotide) Brand 50 16 $45,506

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Johnson's medical specialty?
Dr. Joseph Johnson practices Gastroenterology Physician in San Antonio, TX.
Where does Dr. Joseph Johnson practice?
Dr. Joseph Johnson practices at 520 E Euclid Ave, San Antonio, TX 782124414. Office phone: 2102710606.
What is Dr. Joseph Johnson's NPI?
Dr. Joseph Johnson's National Provider Identifier (NPI) is 1477557072, issued by NPPES.
Does Dr. Joseph Johnson accept Medicare assignment?
Yes. Dr. Joseph Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Johnson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.