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Allergy/Immunology

Alireza Nejad, MD

Works at hospitals in Annapolis, MD · Maryland

Summary

Dr. Alireza Nejad, MD is an allergist and immunologist at 1132 Annapolis Rd, Suite 106, Odenton, MD 21113. Phone: (410) 760-8840. Accepts Medicare assignment. In 2024, Alireza Nejad had 98 Original Medicare patients and 2,529 services. NPI 1548571607. 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: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 1132 Annapolis Rd, Suite 106, Odenton, MD 21113 · Directions (2 more locations)
  • Phone: (410) 760‑8840
  • Medicare: Accepts Medicare assignment
  • Hospital: Luminis Health Anne Arundel Medical Center, Inc
  • Group practice: Johns Hopkins Regional Physicians LLC
  • Medical school: graduated 1995 (31 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 Alireza Nejad, 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 Alireza Nejad accept Medicare assignment?
Yes. Medicare's clinician data says Alireza Nejad 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 Alireza Nejad see?
In 2024, CMS data shows 98 Original Medicare patients and 2,529 services for Alireza Nejad. This counts Original Medicare only and measures volume, not quality.
What is Alireza Nejad's NPI number?
1548571607. 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 Alireza Nejad, 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 patients98
Services billed to Medicare2,529
Different services or procedures18
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Test for allergy using allergenic extract (95004)1,778 services
  2. Test to measure the level of nitric oxide gas (95012)63 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)49 services
  4. Test to measure expiratory airflow and volume (94010)37 services
  5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)34 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 cholesterol74%
  • High blood pressure69%
  • Arthritis53%
  • Asthma34%
  • Anxiety29%
  • Osteoporosis23%

Hospitals where Alireza Nejad works

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

Group practices

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

  • Johns Hopkins Regional Physicians LLC84 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Maryland →

Other allergist and immunologists in Maryland

Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.

All allergist and immunologists in Maryland →

Other clinicians in Johns Hopkins Regional Physicians LLC

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

Clinician information

CredentialMD
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1548571607
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