Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Swathi R. Nallapa, MD

Works at hospitals in Mountain View, CA · Burlingame, CA · Stanford, CA · California

Summary

Dr. Swathi R. Nallapa, MD is an internal medicine doctor at 795 El Camino Real, Palo Alto, CA 94301. Phone: (415) 600-1020. Accepts Medicare assignment. In 2024, Swathi R. Nallapa had 352 Original Medicare patients and 1,161 services. NPI 1780188847. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Swathi R. Nallapa, 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 Swathi R. Nallapa accept Medicare assignment?
Yes. Medicare's clinician data says Swathi R. Nallapa 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 Swathi R. Nallapa see?
In 2024, CMS data shows 352 Original Medicare patients and 1,161 services for Swathi R. Nallapa. This counts Original Medicare only and measures volume, not quality.
What is Swathi R. Nallapa's NPI number?
1780188847. 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 Swathi R. Nallapa, 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 patients352
Services billed to Medicare1,161
Different services or procedures32
Participating Medicare providerYes
Average age of these patients78

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)275 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)245 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)187 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)169 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)136 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 cholesterol75%
  • High blood pressure59%
  • Arthritis34%
  • Osteoporosis30%
  • Ischemic heart disease17%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)17%

Hospitals where Swathi R. Nallapa works

Medicare's Facility Affiliation Data lists Swathi R. Nallapa 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.

  • El Camino HealthMountain View, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050308
  • Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050007
  • Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441

Practice locations

Addresses where Swathi R. Nallapa is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Swathi R. Nallapa 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 Palo Alto

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

All internal medicine doctors in Palo Alto →

Other clinicians in Sutter Bay Medical Foundation

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

Clinician information

CredentialMD
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1780188847
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