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Internal Medicine

Nithin R. Nayini, MD

Works at hospitals in Longview, TX · Texas

Summary

Dr. Nithin R. Nayini, MD is an internal medicine doctor at 700 E Marshall Ave, Longview, TX 75601. Phone: (903) 315-2000. Accepts Medicare assignment. In 2024, Nithin R. Nayini had 319 Original Medicare patients and 748 services. NPI 1780022681. 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: 700 E Marshall Ave, Longview, TX 75601 · Directions (1 more location)
  • Phone: (903) 315‑2000
  • Medicare: Accepts Medicare assignment
  • Hospital: CHRISTUS Good Shepherd Medical Center
  • Group practice: North Texas Physician Services, PLLC
  • Medical school: graduated 2013 (13 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Nithin R. Nayini, 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 Nithin R. Nayini accept Medicare assignment?
Yes. Medicare's clinician data says Nithin R. Nayini 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 Nithin R. Nayini see?
In 2024, CMS data shows 319 Original Medicare patients and 748 services for Nithin R. Nayini. This counts Original Medicare only and measures volume, not quality.
What is Nithin R. Nayini's NPI number?
1780022681. 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 Nithin R. Nayini, 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 patients319
Services billed to Medicare748
Different services or procedures10
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)270 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)184 services
  3. Hospital discharge day management, 30 minutes or less (99238)130 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)108 services
  5. Hospital discharge day management, more than 30 minutes (99239)45 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%
  • Arthritis62%
  • Diabetes53%
  • Ischemic heart disease50%
  • Depression49%

Hospitals where Nithin R. Nayini works

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

Group practices

Medicare enrollment lists Nithin R. Nayini as a member of this group (CMS data updated October 2, 2026).

  • North Texas Physician Services, PLLC238 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Longview

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

All internal medicine doctors in Longview →

Other clinicians in North Texas Physician Services, PLLC

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)
NPI (National Provider Identifier)1780022681
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