Athir J. Hajjar, M.D.
Pulmonary Disease Physician · El Cajon, CA
Athir J. Hajjar, M.D. is a pulmonary disease physician with a practice address in El Cajon, California, and NPI 1164476362, issued on May 20, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Athir J. Hajjar
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- 036114867 IL
CV2200566 IN
Self-reported in NPPES; status is on the state search - Practice location
- 671 S Mollison Ave, El Cajon, CA 92020
- Phone
- (619) 841-8148
- Enumerated
- May 20, 2006
- Record last updated
- Oct 15, 2022
- Fax
- (844) 350-9978
- Medicaid ID
- 036114867 IL
- Medicare enrollment
- Enrolled (PECOS I20150306000259); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Verify Athir J. Hajjar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
137 Medicare Part D claims for 18 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide13 claims
- Eliquis11 claims
- Famotidine11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,068.52
9 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Athir J. Hajjar among 1,443 pulmonary disease physician records in California
Athir J. Hajjar, M.D. is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1986 · median 2002 among the 1,061 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in El Cajon → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- David Polster, M.D.El Cajon, CA 920191083683635
- Dennis Amundson, DOEncinitas, CA 920241477524403
- Scott Eisman, M.D.Encinitas, CA 920241275511420
- Kevin Fussell, M.D.Encinitas, CA 920241164404901
- William Hooper, MDEncinitas, CA 920241720052988
- Andrew Hsing, M.D.Encinitas, CA 920241790769131
- Alisha Kabadi, MDEncinitas, CA 920241356838957
- Michael Miller, MDEncinitas, CA 920241790342699
Common questions
What is Athir J. Hajjar, M.D.'s NPI number?
Athir J. Hajjar, M.D.'s National Provider Identifier (NPI) is 1164476362, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Athir J. Hajjar, M.D. located?
The NPPES record lists a practice address at 671 S Mollison Ave, El Cajon, CA, 92020. Phone: (619) 841-8148. Providers update this record themselves, so call before visiting.
How can I verify Athir J. Hajjar, M.D.'s license?
Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Athir J. Hajjar, M.D. prescribe under Medicare Part D?
In 2024, Athir J. Hajjar, M.D. had 137 Medicare Part D claims for 18 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.