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General Surgery

Khashayar Vaziri, MD

Works at hospitals in Washington, DC · District of Columbia

Summary

Dr. Khashayar Vaziri, MD is a general surgeon at 2150 Pennsylvania Ave NW, Washington, DC 20037. Phone: (202) 741-2600. Accepts Medicare assignment. In 2024, Khashayar Vaziri had 214 Original Medicare patients and 347 services. NPI 1437341393. 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: General surgeon (Medicare lists General Surgery)
  • Address: 2150 Pennsylvania Ave NW, Washington, DC 20037 · Directions (1 more location)
  • Phone: (202) 741‑2600
  • Medicare: Accepts Medicare assignment
  • Hospital: George Washington University Hospital
  • Group practice: Medical Faculty Associates, Inc
  • Medical school: Rutgers R W Johnson Medical School (cam/new Bruns/pisc) · graduated 2001 (25 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Khashayar Vaziri, 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 Khashayar Vaziri accept Medicare assignment?
Yes. Medicare's clinician data says Khashayar Vaziri 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 Khashayar Vaziri see?
In 2024, CMS data shows 214 Original Medicare patients and 347 services for Khashayar Vaziri. This counts Original Medicare only and measures volume, not quality.
What is Khashayar Vaziri's NPI number?
1437341393. 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 Khashayar Vaziri, 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 patients214
Services billed to Medicare347
Different services or procedures38
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)76 services
  2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)65 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)45 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)26 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)22 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 cholesterol74%
  • Arthritis61%
  • Ischemic heart disease35%
  • Diabetes31%
  • Depression25%

Hospitals where Khashayar Vaziri works

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

Group practices

Medicare enrollment lists Khashayar Vaziri as a member of this group (CMS data updated October 2, 2026).

  • Medical Faculty Associates, Inc672 clinicians in the group

Specialties

Find other General Surgery doctors in District of Columbia →

Other general surgeons in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

All general surgeons in Washington →

Other clinicians in Medical Faculty Associates, Inc

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

Clinician information

CredentialMD
Medical schoolRutgers R W Johnson Medical School (cam/new Bruns/pisc)
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437341393
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