John Brian Lim, MD
NPI 1265767768 · Internal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Brian Lim, MD is a Internal Medicine Physician provider in San Antonio, TX (NPI 1265767768).
Provider details
- NPI number
- 1265767768
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- Q4451 (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
16 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
2,774 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 651 | $122 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 446 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 331 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 245 | $13 |
| Hemoglobin A1c Level83036 | 213 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 116 | $87 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 122 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 373 | 133 |
| Rosuvastatin Calcium | 310 | 109 |
| Atorvastatin Calcium | 303 | 110 |
| Levothyroxine Sodium | 276 | 81 |
| Lisinopril | 255 | 88 |
| Losartan Potassium | 227 | 74 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$45 across 1 record (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
- 2009-10-16
- Last updated
- 2021-01-29
- Certified
- 2021-01-29
Frequently asked questions
- What is John Brian Lim's NPI number?
- John Brian Lim's National Provider Identifier (NPI) is 1265767768, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Brian Lim's specialty?
- John Brian Lim is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Brian Lim located?
- John Brian Lim's practice location on file with NPPES is 8906 Perrin Beitel Rd, San Antonio, TX 78217-4851.
- What is John Brian Lim's phone number?
- The practice phone number listed in the NPPES registry for John Brian Lim is (210) 572-3306.
- Does John Brian Lim accept Medicare?
- John Brian Lim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Brian Lim's NPI active?
- Yes — John Brian Lim's NPI (1265767768) is active in the NPPES registry as of the last update on 2021-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.