Ravi Santhanam, MD
NPI 1598856304 · Internal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ravi Santhanam, MD is a Internal Medicine Physician provider in San Antonio, TX (NPI 1598856304).
Provider details
- NPI number
- 1598856304
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- M0898 (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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
198 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 85 | $201 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 35 | $165 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 34 | $80 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 33 | $42 |
| Emergent Insertion of Breathing Tube Into Windpipe Using an Endoscope31500 | 11 | $133 |
Typical Medicare-allowed amounts for these services range $42–$201 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-27
- Last updated
- 2013-01-08
Frequently asked questions
- What is Ravi Santhanam's NPI number?
- Ravi Santhanam's National Provider Identifier (NPI) is 1598856304, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ravi Santhanam's specialty?
- Ravi Santhanam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ravi Santhanam located?
- Ravi Santhanam's practice location on file with NPPES is 21 Spurs Ln, San Antonio, TX 78240-1669.
- What is Ravi Santhanam's phone number?
- The practice phone number listed in the NPPES registry for Ravi Santhanam is (210) 690-7400.
- Does Ravi Santhanam accept Medicare?
- Ravi Santhanam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ravi Santhanam's NPI active?
- Yes — Ravi Santhanam's NPI (1598856304) is active in the NPPES registry as of the last update on 2013-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.