Richard Shaffer, M.D.
NPI 1134158736 · Gastroenterology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Shaffer, M.D. is a Gastroenterology Physician provider in San Antonio, TX (NPI 1134158736).
Provider details
- NPI number
- 1134158736
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- J3215 (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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
906 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 197 | $236 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 181 | $72 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 103 | $158 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 98 | $121 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 70 | $165 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 220 | 75 |
| Omeprazole | 148 | 52 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 68 | 68 |
| Peg3350/Sod Sul/Nacl/Kcl/Asb/Cbrand: Plenvu | 62 | 61 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 61 | 60 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 40 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,532 across 72 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
Additional practice locations (2)
- 12850 Toepperwein RdLive Oak, TX 78233-4115Phone: (210) 614-1234Fax: (210) 614-0952
- 5223 Hamilton Wolfe RdSan Antonio, TX 78229-4463Phone: (210) 614-1234Fax: (210) 614-0952
Registry dates
- Enumerated
- 2006-07-03
- Last updated
- 2018-03-17
Frequently asked questions
- What is Richard Shaffer's NPI number?
- Richard Shaffer's National Provider Identifier (NPI) is 1134158736, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Shaffer's specialty?
- Richard Shaffer is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Shaffer located?
- Richard Shaffer's practice location on file with NPPES is 855 Proton Rd, San Antonio, TX 78258-4203.
- What is Richard Shaffer's phone number?
- The practice phone number listed in the NPPES registry for Richard Shaffer is (210) 614-1234.
- Does Richard Shaffer accept Medicare?
- Richard Shaffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Shaffer's NPI active?
- Yes — Richard Shaffer's NPI (1134158736) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.