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

Allergy/Immunology

Boyan Hadjiev

Sees patients in New York, NY · New York

Summary

Boyan Hadjiev (Allergy/Immunology) is enrolled with Medicare at 1 practice location in New York, NY. NPI 1851354997. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Boyan Hadjiev, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Allergy/ImmunologyPrimary specialty
YesAccepts Medicare assignment
26Years since medical school (graduated 2000)
MaleGender (as listed)
Monarch Allergy Medical Services of New York PCGroup practice

Quick answers

Where does Boyan Hadjiev see patients?
Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
What is Boyan Hadjiev's specialty?
Medicare lists Allergy/Immunology as the primary specialty.
Does Boyan Hadjiev accept Medicare assignment?
Yes. Medicare's clinician data says Boyan Hadjiev accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Boyan Hadjiev?
(888) 510-0905, as listed in official Medicare / NPI Registry data.
What is Boyan Hadjiev's NPI number?
1851354997. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Boyan Hadjiev is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Boyan Hadjiev as a member of this group (CMS data updated 2026-10-02).

  • Monarch Allergy Medical Services of New York PC7 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in New York →

Other allergist and immunologists in New York

Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.

All allergist and immunologists in New York →

Clinician information

Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851354997
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 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians