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ATHIR J HAJJAR M.D.
NPI 1164476362
Internal Medicine - Pulmonary Disease in El Cajon, CA

Active since May 20, 2006PECOS EnrolledAccepts Medicare Assignment
671 S MOLLISON AVE, SUITE B & C, EL CAJON, CA 92020(619) 841-8148(844) 350-9978 Get Directions Write a Review

NPPES record last updated: October 15, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 15, 2022, May 4, 2022, Apr 18, 2017 and 1 more (4 updates tracked since 2017).

About Athir J Hajjar M.d. NPPES

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

ATHIR J HAJJAR M.D. (NPI 1164476362) is an individual pulmonary disease provider in El Cajon, California, licensed in Illinois (036114867) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Fort Wayne, and is a graduate of Other (1986).

NPPES Registry Identity

NPI1164476362
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameATHIR J HAJJARCredential: M.D.
Location Address671 S MOLLISON AVE, SUITE B & CEl Cajon, CA 92020
Mailing Address671 S Mollison Ave, Ste BEl Cajon, CA 92020-6618 · (619) 841-8148 · Fax (844) 350-9978
Phone(619) 841-8148
Fax(844) 350-9978
Sole ProprietorNo
Medical School CMSOtherGraduated 1986
Enumeration DateMay 20, 2006
Last NPPES UpdateOctober 15, 20224 updates tracked since enumeration
NPPES CertifiedOctober 15, 2022
✔ NPI 1164476362 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in IL · 036114867
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 036114867 (IL), CV2200566 (IN)
671 S MOLLISON AVE, El Cajon, CA 92020
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Other Names 1

Former Name (1)Athir J Merogi M.d.

Secondary Practice Location 1

Location 111109 Parkview Plaza DrFort Wayne, IN 46845-1701 · Phone (260) 672-6637 · Fax (260) 458-5355

Other Identifiers 1

Medicaid036114867IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Athir J Hajjar M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446239198
PECOS Enrollment IDI20150306000259
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.

Areas of Expertise CMS Part B claims 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
792 services118 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
237 services39 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
61 services58 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
16 services14 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92020 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

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

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
3 suppliers15 claims15 services$788.50 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

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

LUNG SLEEP & MEDICINE INSTITUTE A PROFESSIONAL MEDICAL CORPORATION
Internal Medicine (Pulmonary Disease)
671 S MOLLISON AVE, SUITE B & C
EL CAJON, CA 92020
San Diego County (619) 841-8148

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 Athir Hajjar's NPI number?

The NPI number for Athir Hajjar is 1164476362. It was assigned to this individual provider in the NPPES registry on May 20, 2006. The provider is also known as Athir J Merogi M.D..

Where is Athir Hajjar located?

Athir Hajjar practices at 671 S Mollison Ave Suite B & C, El Cajon, CA 92020. The listed phone number is (619) 841-8148.

What is Athir Hajjar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Athir Hajjar enrolled in Medicare?

Yes. Athir Hajjar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Athir Hajjar accept?

Health plans from CareSource list Athir Hajjar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Athir Hajjar was last updated on October 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.