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Internal Medicine

Prathibha Venkataswamy, MD

Works at hospitals in Antioch, CA · California

Summary

Dr. Prathibha Venkataswamy, MD is an internal medicine doctor at 3901 Lone Tree Way, Antioch, CA 94509. Phone: (925) 756-1192. Accepts Medicare assignment. In 2024, Prathibha Venkataswamy had 346 Original Medicare patients and 917 services. NPI 1396714358. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 3901 Lone Tree Way, Antioch, CA 94509 · Directions
  • Phone: (925) 756‑1192
  • Medicare: Accepts Medicare assignment
  • Hospital: Sutter Delta Medical Center
  • Group practice: Sutter Bay Medical Foundation
  • Medical school: graduated 1998 (28 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Prathibha Venkataswamy, 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 Prathibha Venkataswamy accept Medicare assignment?
Yes. Medicare's clinician data says Prathibha Venkataswamy 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 Prathibha Venkataswamy see?
In 2024, CMS data shows 346 Original Medicare patients and 917 services for Prathibha Venkataswamy. This counts Original Medicare only and measures volume, not quality.
What is Prathibha Venkataswamy's NPI number?
1396714358. 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 Prathibha Venkataswamy, 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 patients346
Services billed to Medicare917
Different services or procedures4
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)672 services
  2. Hospital discharge day management, more than 30 minutes (99239)186 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)54 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%
  • Diabetes60%
  • Chronic kidney disease56%
  • Ischemic heart disease50%
  • Heart failure49%

Hospitals where Prathibha Venkataswamy works

Medicare's Facility Affiliation Data lists Prathibha Venkataswamy 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 Prathibha Venkataswamy is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Prathibha Venkataswamy as a member of this group (CMS data updated October 2, 2026).

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Antioch

Clinicians with the same Medicare primary specialty in Antioch, CA — not a recommendation.

All internal medicine doctors in Antioch →

Other clinicians in Sutter Bay Medical Foundation

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

Clinician information

CredentialMD
Graduation year1998 (28 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396714358
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