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Internal Medicine

Reza S. Naghavi, MD

Sees patients in Rockville Centre, NY · New York

Summary

Dr. Reza S. Naghavi, MD is an internal medicine doctor at 178 Sunrise Hwy, Rockville Centre, NY 11570. Phone: (516) 536-5765. May accept Medicare assignment. In 2024, Reza S. Naghavi had 309 Original Medicare patients and 6,204 services. NPI 1841231545. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 178 Sunrise Hwy, Rockville Centre, NY 11570 · Directions (1 more location)
  • Phone: (516) 536‑5765
  • Medicare: May accept Medicare assignment
  • Group practice: R.S. Naghavi, M.D. PLLC (+1 more)
  • Medical school: graduated 1993 (33 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Reza S. Naghavi, 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 Reza S. Naghavi accept Medicare assignment?
Medicare's clinician data says Reza S. Naghavi may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Reza S. Naghavi see?
In 2024, CMS data shows 309 Original Medicare patients and 6,204 services for Reza S. Naghavi. This counts Original Medicare only and measures volume, not quality.
What is Reza S. Naghavi's NPI number?
1841231545. 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 Reza S. Naghavi, 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 patients309
Services billed to Medicare6,204
Different services or procedures78
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)1,239 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,134 services
  3. Face-to-face behavioral counseling for obesity, 15 minutes (G0447)395 services
  4. Injection of drug or substance under skin or into muscle (96372)302 services
  5. Test to measure expiratory airflow and volume changes before and after medication administration (94060)254 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%
  • Asthma75%
  • Diabetes70%
  • Chronic kidney disease57%
  • Arthritis42%

Practice locations

Addresses where Reza S. Naghavi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Reza S. Naghavi as a member of these groups (CMS data updated October 2, 2026).

  • R.S. Naghavi, M.D. PLLC3 clinicians in the group
  • Integrated Medical Services NY PLLC2 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Rockville Centre

Clinicians with the same Medicare primary specialty in Rockville Centre, NY — not a recommendation.

All internal medicine doctors in Rockville Centre →

Other clinicians in R.S. Naghavi, M.D. PLLC

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

Clinician information

CredentialMD
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1841231545
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians