Sridhar Venkatachalam, MD
NPI 1659509990 · Cardiovascular Disease Physician · Corpus Christi, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sridhar Venkatachalam, MD is a Cardiovascular Disease Physician provider in Corpus Christi, TX (NPI 1659509990).
Provider details
- NPI number
- 1659509990
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- P9762 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,210 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 683 | $8 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 208 | $80 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 184 | $14 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 180 | $69 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 177 | $128 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 619 | 173 |
| Atorvastatin Calcium | 539 | 152 |
| Apixabanbrand: Eliquis | 526 | 107 |
| Amlodipine Besylate | 395 | 104 |
| Hydralazine Hcl | 267 | 84 |
| Carvedilol | 260 | 73 |
| Clopidogrel Bisulfatebrand: Clopidogrel |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$58 across 3 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 (1)
- 301 University BlvdRoute 0553Galveston, TX 77555-0553Phone: (409) 772-1533Fax: (409) 772-4982
Registry dates
- Enumerated
- 2009-06-25
- Last updated
- 2023-11-29
- Certified
- 2023-11-29
Frequently asked questions
- What is Sridhar Venkatachalam's NPI number?
- Sridhar Venkatachalam's National Provider Identifier (NPI) is 1659509990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sridhar Venkatachalam's specialty?
- Sridhar Venkatachalam is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Sridhar Venkatachalam located?
- Sridhar Venkatachalam's practice location on file with NPPES is 1521 S Staples St Ste 700, Corpus Christi, TX 78404-3160.
- What is Sridhar Venkatachalam's phone number?
- The practice phone number listed in the NPPES registry for Sridhar Venkatachalam is (361) 888-8271.
- Does Sridhar Venkatachalam accept Medicare?
- Sridhar Venkatachalam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sridhar Venkatachalam's NPI active?
- Yes — Sridhar Venkatachalam's NPI (1659509990) is active in the NPPES registry as of the last update on 2023-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.