Jacob Vadakekalam, MD
NPI 1316904139 · Endocrinology, Diabetes & Metabolism Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Vadakekalam, MD is a Endocrinology, Diabetes & Metabolism Physician provider in San Antonio, TX (NPI 1316904139).
Provider details
- NPI number
- 1316904139
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- K9443 (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
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
17,579 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 2,102 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 2,024 | $124 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 1,737 | $10 |
| Hemoglobin A1c Level83036 | 1,534 | $9 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 1,350 | $16 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 1,328 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 804 | 320 |
| Semaglutidebrand: Ozempic | 367 | 133 |
| Metformin Hcl | 348 | 161 |
| Atorvastatin Calcium | 344 | 169 |
| Rosuvastatin Calcium | 335 | 165 |
| Tirzepatidebrand: Mounjaro | 304 | 96 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,996 across 232 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
- 2006-04-26
- Last updated
- 2023-09-27
- Certified
- 2023-09-27
Frequently asked questions
- What is Jacob Vadakekalam's NPI number?
- Jacob Vadakekalam's National Provider Identifier (NPI) is 1316904139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Vadakekalam's specialty?
- Jacob Vadakekalam is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Vadakekalam located?
- Jacob Vadakekalam's practice location on file with NPPES is 5107 Medical Dr, San Antonio, TX 78229.
- What is Jacob Vadakekalam's phone number?
- The practice phone number listed in the NPPES registry for Jacob Vadakekalam is (210) 614-8612.
- Does Jacob Vadakekalam accept Medicare?
- Jacob Vadakekalam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Vadakekalam's NPI active?
- Yes — Jacob Vadakekalam's NPI (1316904139) is active in the NPPES registry as of the last update on 2023-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.