NPPES file of Aug 9, 2026

Mohmmad F. Hajjiri, M.D.

Infectious Disease Physician · Lombard, IL

Mohmmad F. Hajjiri, M.D. is an infectious disease physician with a practice address in Lombard, Illinois, and NPI 1972786465, issued on Dec 7, 2007. Check the license (Illinois 036-159931, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972786465
Name
Mohmmad F. Hajjiri
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
036-159931 IL
71318 AZ
CDR.0006004 CO
MD55913 IA
242627 MA
and 7 more
Self-reported in NPPES; status is on the state search
Practice location
1801 S Highland Ave Ste L40, Lombard, IL 60148
Phone
(630) 545-4075
Enumerated
Dec 7, 2007
Record last updated
Mar 3, 2026
Fax
(630) 967-2131
Medicaid ID
110086980A MA
Medicare enrollment
Enrolled (PECOS I20251217000022); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest infectious disease physician records → All 464 in Illinois → Look up another NPI →

Also registered at 1801 S Highland Ave Ste L40

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Matthew Campos, FNP-BCNurse Practitioner1386099448
  2. Mary Francine Chua, M.D., M.B.A.Infectious Disease Physician1568844827
  3. Hubert Lin, FNP-C, APNNurse Practitioner1659702595
  4. Mathew Loesch, D.O.Dermatology Physician1720490451
  5. Deborah Rogoz, FNP-BCFamily Nurse Practitioner1346782877
  6. Amber Schwarzinger, FNPNurse Practitioner1366059446

Verify Mohmmad F. Hajjiri in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036-159931    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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18% more Medicare Part D claims than the average infectious disease physician in 2024

811 Medicare Part D claims for 254 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.

  1. Mohmmad Hajjiri811
  2. Specialty average689

Most prescribed

  1. Vancomycin Hcl96 claims
  2. Ceftriaxone71 claims
  3. Amoxicillin-Clavulanate Potass51 claims
  4. Cefadroxil48 claims
  5. Doxycycline Hyclate47 claims
  6. Ertapenem42 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: $13.20

1 payment: education; the largest payer was Shionogi Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mohmmad Hajjiri$13.20
  2. Specialty average$4,362.19

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 4 group practices

  1. Dupage Medical Group LtdLombard, IL
  2. Eoh Acquisition Group, LLCEast Orange, NJ
  3. Insight Chicago IncChicago, IL
  4. Rural Physicians Group-Pannu PLLCCortez, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mohmmad F. Hajjiri among 464 infectious disease physician records in Illinois

Mohmmad F. Hajjiri, M.D. is one of 464 infectious disease physician records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 47% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2004 · median 2004 among the 311 with a school on file
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Illinois

There are 464 infectious disease physician records in Illinois.

All 464 in Illinois → Every provider in Lombard → Infectious Disease Physician nationwide →

The 8 infectious disease physician records with the nearest ZIP codes

  1. Nozaina Aftab, MDLombard, IL 601481629158662
  2. Mary Francine Chua, M.D., M.B.A.Lombard, IL 601481568844827
  3. Edward Sherman, MDLombard, IL 601481508851114
  4. Mia Taormina, D.O.Lombard, IL 601481972716017
  5. Chinyere Aneziokoro, MDMaywood, IL 601531952388803
  6. Nina ClarkMaywood, IL 601531891809067
  7. James Cook, MDMaywood, IL 601531396859930
  8. Emanuel Favela, M.D.Maywood, IL 601531952614893

Common questions

What is Mohmmad F. Hajjiri, M.D.'s NPI number?

Mohmmad F. Hajjiri, M.D.'s National Provider Identifier (NPI) is 1972786465, issued on Dec 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mohmmad F. Hajjiri, M.D. located?

The NPPES record lists a practice address at 1801 S Highland Ave Ste L40, Lombard, IL, 60148. Phone: (630) 545-4075. Providers update this record themselves, so call before visiting.

How can I verify Mohmmad F. Hajjiri, M.D.'s license?

NPPES lists Illinois license number 036-159931, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mohmmad F. Hajjiri, M.D. prescribe under Medicare Part D?

In 2024, Mohmmad F. Hajjiri, M.D. had 811 Medicare Part D claims for 254 beneficiaries; the average among infectious disease physician prescribers was 689. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.