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ANTOINE AZAR M.D.
NPI 1811029242
Internal Medicine - Allergy & Immunology in Baltimore, MD

Active since March 12, 2007PECOS Enrolled
74.39/100
CMS Quality Rating
5501 HOPKINS BAYVIEW CIR, ROOM 2A62, BALTIMORE, MD 21224(410) 550-2300(410) 550-1733 Get Directions Write a Review

NPPES record last updated: October 27, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Antoine Azar M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANTOINE AZAR M.D. (NPI 1811029242) is an individual allergy & immunology provider in Baltimore, Maryland, licensed in Maryland (D78997) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Other (1995).

NPPES Registry Identity

NPI1811029242
Entity TypeIndividualMale
Primary Taxonomy207RA0201X
Provider Legal NameANTOINE AZARCredential: M.D.
Location Address5501 HOPKINS BAYVIEW CIR, ROOM 2A62Baltimore, MD 21224-6821
Mailing AddressPo Box 64264Baltimore, MD 21264-4264 · (410) 550-2300
Phone(410) 550-2300
Fax(410) 550-1733
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateMarch 12, 2007
Last NPPES UpdateOctober 27, 2015
✔ NPI 1811029242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Allergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0201X
License✔ Licensed in MD · D78997
Definition
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.
5501 HOPKINS BAYVIEW CIR, Baltimore, MD 21224
Open in Google Maps ↗

Other Identifiers 3

Other7624997MD · Aetna/ushc
Medicaid093272800MD
Medicare PIN414221ZBR2MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Antoine Azar M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4486755535
PECOS Enrollment IDI20150610002246
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Antoine Azar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Johns Hopkins University
0.1 mi
Clinical Medical Laboratory
5501 HOPKINS BAYVIEW CIR, ROOM 1A20
Baltimore, MD 21224
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
NPI 1306810619 (410) 550-3362
Johns Hopkins University
2.3 mi
Hospitalist
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, Maryland enrollment
  • 338 clinicians in this Medicare group
NPI 1902332133 (410) 955-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
132 services100 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
40 services34 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
30 services27 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
21 services21 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210009
Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County
Emergency services Birthing friendly

Johns Hopkins Bayview Medical Center

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210029
Location4940 Eastern AvenueBaltimore, MD 21224 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.71
Promoting Interoperability97
Improvement Activities40
Cost52.43

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
7 suppliers314 claims659 services$18.21 avg. paid by Medicare
Ambulatory infusion pump, mechanical, reusable, for infusion 8 hours or greater E0779
DME-Other DME · category DE000N
4 suppliers84 claims84 services$12.07 avg. paid by Medicare
Injection, immune globulin (cuvitru), 100 mg J1555
Treatment-Injections and Infusions (nononcologic) · category RI008N
3 suppliers112 claims39,000 services$11.70 avg. paid by Medicare
Injection, immune globulin (xembify), 100 mg J1558
Treatment-Injections and Infusions (nononcologic) · category RI008N
2 suppliers24 claims13,600 services$10.73 avg. paid by Medicare
Injection, immune globulin (hizentra), 100 mg J1559
Treatment-Injections and Infusions (nononcologic) · category RI008N
7 suppliers147 claims49,468 services$9.50 avg. paid by Medicare
Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier11 claims880 services$35.80 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ROBERT GORDON HAMILTON PH.D.
Specialist/Technologist, Pathology (Immunology)
5501 HOPKINS BAYVIEW CIR, ROOM 1A20, JH ASTHMA ALLERGY CENTER
BALTIMORE, MD 21224
Baltimore City (410) 550-2031
DR. JHENEALE R GRANDISON DNP
Nurse Practitioner (Adult Health)
5501 HOPKINS BAYVIEW CIR
BALTIMORE, MD 21224
Baltimore City (410) 550-7715
GEORGE A RICAURTE JR. M.D.
Psychiatry & Neurology (Neurology)
5501 HOPKINS BAYVIEW CIR
BALTIMORE, MD 21224
Baltimore City (410) 550-5624
MICHELLE NUTTALL EAKIN PH.D.
Psychologist (Clinical)
5501 HOPKINS BAYVIEW CIR, ROOM 4B.74
BALTIMORE, MD 21224
Baltimore City (410) 550-0487
RICHARD G BENNETT M.D.
Internal Medicine
5501 HOPKINS BAYVIEW CIR
BALTIMORE, MD 21224
Baltimore City (410) 550-0925
DR. LUU VAN PHAM M.D.
Internal Medicine (Pulmonary Disease)
5501 HOPKINS BAYVIEW CIR, 4TH FLOOR
BALTIMORE, MD 21224
Baltimore City (410) 550-2304
VICTORIA WOTORSON CRNP
Nurse Practitioner (Family)
5501 HOPKINS BAYVIEW CIR
BALTIMORE, MD 21224
Baltimore City (410) 550-5864
VENKATARAMANA SIDHAYE M.D.
Internal Medicine (Pulmonary Disease)
5501 HOPKINS BAYVIEW CIR, ASTHMA AND ALLERGY BUILDING 4TH FLOOR
BALTIMORE, MD 21224
Baltimore City (410) 550-4893

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Antoine Azar's NPI number?

The NPI number for Antoine Azar is 1811029242. It was assigned to this individual provider in the NPPES registry on March 12, 2007.

Where is Antoine Azar located?

Antoine Azar practices at 5501 Hopkins Bayview Cir Room 2a62, Baltimore, MD 21224. The listed phone number is (410) 550-2300.

What is Antoine Azar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Is Antoine Azar enrolled in Medicare?

Yes. Antoine Azar is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Antoine Azar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Antoine Azar reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and Johns Hopkins University (Baltimore, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Antoine Azar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Antoine Azar affiliated with any hospitals?

According to CMS data, Antoine Azar is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Bayview Medical Center.

When was this NPI record last updated?

The NPPES record for Antoine Azar was last updated on October 27, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.