Joseph Johnson, MD
NPI 1477557072 · Gastroenterology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Johnson, MD is a Gastroenterology Physician provider in San Antonio, TX (NPI 1477557072).
Provider details
- NPI number
- 1477557072
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G5224 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
929 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 208 | $95 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 145 | $162 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 126 | $122 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 105 | $171 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 102 | $86 |
| Dilation of Esophagus |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 411 | 131 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 307 | 297 |
| Omeprazole | 296 | 94 |
| Famotidine | 231 | 79 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 84 | 23 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 80 | 79 |
| Sucralfate | 79 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$191 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-10
- Last updated
- 2017-01-31
Frequently asked questions
- What is Joseph Johnson's NPI number?
- Joseph Johnson's National Provider Identifier (NPI) is 1477557072, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Johnson's specialty?
- Joseph Johnson is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Johnson located?
- Joseph Johnson's practice location on file with NPPES is 520 E Euclid Ave, San Antonio, TX 78212-4414.
- What is Joseph Johnson's phone number?
- The practice phone number listed in the NPPES registry for Joseph Johnson is (210) 271-0606.
- Does Joseph Johnson accept Medicare?
- Joseph Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Johnson's NPI active?
- Yes — Joseph Johnson's NPI (1477557072) is active in the NPPES registry as of the last update on 2017-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.