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Infectious Disease

Sarath G. Nath, MD

Works at hospitals in Lake Havasu City, AZ · Pasco, WA · Stony Brook, NY … · Arizona, Washington, New York

Summary

Dr. Sarath G. Nath, MD is an infectious disease doctor at 1851 Mesquite Ave, Suite 210, Lake Havasu City, AZ 86403. Phone: (928) 854-7540. Accepts Medicare assignment. In 2024, Sarath G. Nath had 443 Original Medicare patients and 886 services. NPI 1265852446. 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 Sarath G. Nath, 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 Sarath G. Nath accept Medicare assignment?
Yes. Medicare's clinician data says Sarath G. Nath 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 Sarath G. Nath see?
In 2024, CMS data shows 443 Original Medicare patients and 886 services for Sarath G. Nath. This counts Original Medicare only and measures volume, not quality.
What is Sarath G. Nath's NPI number?
1265852446. 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 Sarath G. Nath, 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 patients443
Services billed to Medicare886
Different services or procedures21
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)427 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)180 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)107 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)52 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)42 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%
  • Arthritis60%
  • Ischemic heart disease60%
  • Diabetes54%
  • Chronic kidney disease50%

Hospitals where Sarath G. Nath works

Medicare's Facility Affiliation Data lists Sarath G. Nath 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.

  • Havasu Regional Medical CenterLake Havasu City, AZ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 030069
  • Lourdes Medical CenterPasco, WA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 501337
  • Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330393
  • Trios HealthKennewick, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500053

Practice locations

Addresses where Sarath G. Nath is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sarath G. Nath as a member of these groups (CMS data updated October 2, 2026).

  • Stony Brook Internists University Faculty Practice Corporation428 clinicians in the group
  • HRMC, LLC34 clinicians in the group

Specialties

Find other Infectious Disease doctors in Arizona →

Other infectious disease doctors in Arizona

Clinicians with the same Medicare primary specialty in Arizona — not a recommendation.

All infectious disease doctors in Arizona →

Other clinicians in Stony Brook Internists University Faculty Practice Corporation

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

Clinician information

CredentialMD
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1265852446
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