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Cardiovascular Disease (Cardiology)

Siddhartha A. Acharya, MD

Works at hospitals in Webster, TX · Texas

Summary

Dr. Siddhartha A. Acharya, MD is a cardiologist at 250 Blossom St, Webster, TX 77598. Phone: (409) 945-5444. Accepts Medicare assignment. In 2024, Siddhartha A. Acharya had 776 Original Medicare patients and 5,142 services. NPI 1093722019. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: 250 Blossom St, Webster, TX 77598 · Directions (1 more location)
  • Phone: (409) 945‑5444
  • Medicare: Accepts Medicare assignment
  • Hospital: HCA Houston Healthcare Clear Lake
  • Group practice: CPF Cardiology Associates, P.A. (+1 more)
  • Medical school: graduated 1980 (46 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Siddhartha A. Acharya, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Siddhartha A. Acharya accept Medicare assignment?
Yes. Medicare's clinician data says Siddhartha A. Acharya accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Siddhartha A. Acharya see?
In 2024, CMS data shows 776 Original Medicare patients and 5,142 services for Siddhartha A. Acharya. This counts Original Medicare only and measures volume, not quality.
What is Siddhartha A. Acharya's NPI number?
1093722019. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Siddhartha A. Acharya, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients776
Services billed to Medicare5,142
Different services or procedures105
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)498 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)494 services
  3. Injection, regadenoson, 0.1 mg (J2785)352 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)323 services
  5. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)291 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease54%
  • Arthritis52%
  • Diabetes46%
  • Heart failure41%

Hospitals where Siddhartha A. Acharya works

Medicare's Facility Affiliation Data lists Siddhartha A. Acharya at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Siddhartha A. Acharya is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Siddhartha A. Acharya as a member of these groups (CMS data updated October 2, 2026).

  • CPF Cardiology Associates, P.A.13 clinicians in the group
  • Sid Acharya MD PA3 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Texas →

Other cardiologists in Webster

Clinicians with the same Medicare primary specialty in Webster, TX — not a recommendation.

All cardiologists in Webster →

Other clinicians in CPF Cardiology Associates, P.A.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1980 (46 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1093722019
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians