Madhu Challapalli, MD
NPI 1609847029 · Cardiovascular Disease Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Madhu Challapalli, MD is a Cardiovascular Disease Physician provider in San Antonio, TX (NPI 1609847029).
Provider details
- NPI number
- 1609847029
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- L0999 (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
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,030 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 | 460 | $125 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 129 | $67 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 105 | $163 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 79 | $187 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 69 | $78 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 170 | 41 |
| Atorvastatin Calcium | 120 | 40 |
| Amlodipine Besylate | 110 | 36 |
| Apixabanbrand: Eliquis | 103 | 26 |
| Rosuvastatin Calcium | 101 | 39 |
| Ezetimibe | 93 | 34 |
| Spironolactone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$663 across 8 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)
- 1925 State Highway 46 WNew Braunfels, TX 78132-5245Phone: (830) 463-7000
- 1695 Interstate 35 S Ste 105New Braunfels, TX 78130-7465Phone: (830) 643-7900
Registry dates
- Enumerated
- 2006-02-01
- Last updated
- 2025-10-13
- Certified
- 2025-10-13
Frequently asked questions
- What is Madhu Challapalli's NPI number?
- Madhu Challapalli's National Provider Identifier (NPI) is 1609847029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madhu Challapalli's specialty?
- Madhu Challapalli is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Madhu Challapalli located?
- Madhu Challapalli's practice location on file with NPPES is 1139 E Sonterra Blvd Ste 520, San Antonio, TX 78258-4347.
- What is Madhu Challapalli's phone number?
- The practice phone number listed in the NPPES registry for Madhu Challapalli is (210) 490-6000.
- Does Madhu Challapalli accept Medicare?
- Madhu Challapalli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Madhu Challapalli's NPI active?
- Yes — Madhu Challapalli's NPI (1609847029) is active in the NPPES registry as of the last update on 2025-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.