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

Internal Medicine

Tahir S. Shirani, MD

Works at hospitals in Staten Island, NY · New York

Summary

Dr. Tahir S. Shirani, MD is an internal medicine doctor at 475 Seaview Ave, Staten Island, NY 10305. Phone: (212) 434-6980. Accepts Medicare assignment. In 2024, Tahir S. Shirani had 313 Original Medicare patients and 1,017 services. NPI 1780653493. 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: 475 Seaview Ave, Staten Island, NY 10305 · Directions
  • Phone: (212) 434‑6980
  • Medicare: Accepts Medicare assignment
  • Hospital: Staten Island University Hospital
  • Group practice: North Shore-Lij Medical PC
  • Medical school: graduated 1983 (43 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Tahir S. Shirani, 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 Tahir S. Shirani accept Medicare assignment?
Yes. Medicare's clinician data says Tahir S. Shirani 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 Tahir S. Shirani see?
In 2024, CMS data shows 313 Original Medicare patients and 1,017 services for Tahir S. Shirani. This counts Original Medicare only and measures volume, not quality.
What is Tahir S. Shirani's NPI number?
1780653493. 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 Tahir S. Shirani, 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 patients313
Services billed to Medicare1,017
Different services or procedures9
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)485 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)280 services
  3. Hospital discharge day management, more than 30 minutes (99239)198 services
  4. Advance care planning, first 30 minutes (99497)22 services
  5. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)15 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%
  • Ischemic heart disease69%
  • Diabetes67%
  • Arthritis65%
  • Heart failure65%

Hospitals where Tahir S. Shirani works

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

Group practices

Medicare enrollment lists Tahir S. Shirani as a member of this group (CMS data updated October 2, 2026).

  • North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Staten Island

Clinicians with the same Medicare primary specialty in Staten Island, NY — not a recommendation.

All internal medicine doctors in Staten Island →

Other clinicians in North Shore-Lij Medical PC

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

Clinician information

CredentialMD
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780653493
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