John Clifton, MD
NPI 1336117381 · Pain Medicine (Anesthesiology) Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Clifton, MD is a Pain Medicine (Anesthesiology) Physician provider in San Antonio, TX (NPI 1336117381).
Provider details
- NPI number
- 1336117381
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- M0382 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
6,034 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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 758 | $68 |
| Evaluation of Psychological Test, First Hour96130 | 718 | $115 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 689 | $14 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 669 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 518 | $117 |
| Principal Care Management Services for a Single High-Risk Disease, First 30 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99426 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 868 | 423 |
| Oxycodone Hcl | 205 | 83 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 106 | 17 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 70 | — |
| Methadone Hcl | 40 | — |
| Oxycodone Hclbrand: Oxycontin | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$37 across 2 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
- 2006-03-08
- Last updated
- 2023-09-15
- Certified
- 2023-09-15
Frequently asked questions
- What is John Clifton's NPI number?
- John Clifton's National Provider Identifier (NPI) is 1336117381, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Clifton's specialty?
- John Clifton is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is John Clifton located?
- John Clifton's practice location on file with NPPES is 45 Ne Loop 410, San Antonio, TX 78216-5832.
- What is John Clifton's phone number?
- The practice phone number listed in the NPPES registry for John Clifton is (210) 375-7790.
- Does John Clifton accept Medicare?
- John Clifton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Clifton's NPI active?
- Yes — John Clifton's NPI (1336117381) is active in the NPPES registry as of the last update on 2023-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.