MOHMMAD F HAJJIRI M.D.
NPI 1972786465
Internal Medicine - Infectious Disease in Lombard, IL

Q: What is Mohmmad Hajjiri's NPI number?

The NPI number for Mohmmad Hajjiri is 1972786465. It was assigned to this individual provider in the NPPES registry on December 7, 2007.

Q: What is Mohmmad Hajjiri's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for Mohmmad Hajjiri was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.

Active since December 07, 2007PECOS EnrolledAccepts Medicare Assignment

1801 S HIGHLAND AVE STE L40, LOMBARD, IL 60148(630) 545-4075(630) 967-2131 Get Directions Write a Review

NPPES record last updated: March 3, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 3, 2026, Jan 19, 2026, Sep 19, 2025 and 8 more (11 updates tracked since 2017).

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About Mohmmad F Hajjiri M.d. NPPES

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

MOHMMAD F HAJJIRI M.D. (NPI 1972786465) is an individual infectious disease provider in Lombard, Illinois, licensed in Illinois (036-159931) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS, is affiliated with Elmhurst Memorial Hospital, and maintains 18 additional practice locations.

NPPES Registry Identity

NPI1972786465

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameMOHMMAD F HAJJIRICredential: M.D.

Location Address1801 S HIGHLAND AVE STE L40Lombard, IL 60148-4932

Mailing AddressPo Box 713260Chicago, IL 60677-1260 · (630) 469-9200

Phone(630) 545-4075

Fax(630) 967-2131

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateDecember 7, 2007

Last NPPES UpdateMarch 3, 202611 updates tracked since enumeration

NPPES CertifiedMarch 3, 2026

✔ NPI 1972786465 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

Licenses✔ Licensed in IL · 036-159931✔ Licensed in AZ · 71318✔ Licensed in MI · EMC0008104✔ Licensed in WA · MD61654582✔ Licensed in TN · 75750✔ Licensed in WI · 3422-320✔ Licensed in IA · MD55913✔ Licensed in SD · 18157✔ Licensed in CO · CDR.0006004✔ Licensed in ND · 23936✔ Licensed in MN · 75170

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedInternal MedicineTaxonomy 207R00000X · License 242627 (MA)

1801 S HIGHLAND AVE STE L40, Lombard, IL 60148

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Secondary Practice Locations 18

Location 1603 S Chestnut StEllensburg, WA 98926-3875 · Phone (303) 390-1940

Location 21016 Tacoma AveSunnyside, WA 98944-2263 · Phone (303) 390-1940

Location 3333 E 2nd StRichland Center, WI 53581-1914 · Phone (608) 647-6321

Location 41900 Sunrise DrSaint Peter, MN 56082-5376 · Phone (303) 390-1940

Location 5520 Rose LnWickenburg, AZ 85390-1447 · Phone (303) 390-1940

Location 61221 Highland AveClarkston, WA 99403-2829 · Phone (303) 390-1940

Location 7110 S Apple Blossom DrChelan, WA 98816-8810 · Phone (303) 390-1940

Location 8530 Bogachiel Wayforks, WA 98331-9120 · Phone (303) 390-1940

Location 91401 10th Ave WMobridge, SD 57601-1106 · Phone (303) 390-1940

Location 10301 Tyson AveParis, TN 38242-4544 · Phone (731) 642-1220

Location 11510 8th Ave NEHazen, ND 58545-4637 · Phone (701) 748-2225

Location 121650 4th St SERochester, MN 55904-4717 · Phone (303) 390-1940

Location 13502 W 4th AveToppenish, WA 98948-1616 · Phone (303) 390-1940

Location 14301 N Main StSheridan, MI 48884-9235 · Phone (303) 390-1940

Location 15939 Caroline StPort Angeles, WA 98362-3909 · Phone (303) 390-1940

Location 161720 Central Ave E Ste AHampton, IA 50441-1867 · Phone (303) 390-1940 ext. 86349

Location 171311 N Mildred RdCortez, CO 81321-2231 · Phone (303) 390-1940 · Fax (866) 368-6349

Location 181111 11th StHawarden, IA 51023-1903 · Phone (303) 390-1940 ext. 86349

Other Identifiers 1

Medicaid110086980AMA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mohmmad F Hajjiri 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 ID143415489

PECOS Enrollment IDI20220712002246, I20240111002261, I20240123001965, I20240208002104, I20250205001003, I20250929002320, I20251201003263, I20251217000022, I20260307000324, I20260323000183, I20260326001310

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

Medicare enrollment records show Mohmmad Hajjiri reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dupage Medical Group Ltd

1.3 mi

Multi-Specialty

1100 W 31ST ST, STE 300
Downers Grove, IL 60515

Reassigned Medicare billing, Illinois enrollment
1,061 clinicians in this Medicare group

NPI 1801833983 (630) 469-9200

Metro Infectious Disease Consultants, LLC

8.4 mi

Infectious Disease

901 MCCLINTOCK DR, SUITE 202
Burr Ridge, IL 60527

Reassigned Medicare billing, Illinois enrollment
122 clinicians in this Medicare group

NPI 1235125717 (888) 220-6432

Insight Chicago, Inc.

20 mi

Internal Medicine

2525 S MICHIGAN AVE
Chicago, IL 60616

Reassigned Medicare billing, Illinois enrollment
354 clinicians in this Medicare group

NPI 1881261006 (312) 567-2000

Sheridan Community Hospital

147 mi

Foot and Ankle Surgery

1525 E BELTLINE AVE NE
Grand Rapids, MI 49525

Reassigned Medicare billing, Michigan enrollment
85 clinicians in this Medicare group

NPI 1285588442 (989) 291-6304

Olmsted Medical Center

270 mi

General Acute Care Hospital

1650 4TH ST SE
Rochester, MN 55904

Reassigned Medicare billing, Minnesota enrollment
379 clinicians in this Medicare group

NPI 1538112131 (507) 288-3443

River's Edge Hospital & Clinic

347 mi

Critical Access

1900 SUNRISE DR
St Peter, MN 56082

Reassigned Medicare billing, Minnesota enrollment
57 clinicians in this Medicare group

NPI 1407849367 (507) 931-2200

Welia Health

370 mi

Rural Health

1425 MAIN STREET NORTH
Pine City, MN 55063

Reassigned Medicare billing, Minnesota enrollment
Also billed through NPI 1528031390 (Minnesota)
146 clinicians in this Medicare group

NPI 1992012207 (320) 629-7505

Eoh Acquisition Group, LLC

721 mi

General Practice

300 CENTRAL AVE
East Orange, NJ 07018

Reassigned Medicare billing, New Jersey enrollment
66 clinicians in this Medicare group

NPI 1578922258 (973) 672-8400

Rural Physicians Group - Pannu PLLC

796 mi

Hospitalist

615 FAIRHURST ST
Sterling, CO 80751

Reassigned Medicare billing, Colorado, Arizona, Iowa, Michigan, Minnesota, North Dakota, South Dakota, Tennessee, Washington and Wisconsin enrollments
Also billed through NPI 1861808719 (Washington), NPI 1891236584 (Wisconsin)
76 clinicians in this Medicare group

NPI 1417538539 (303) 390-1924

Umass Memorial Medical Group, Inc.

831 mi

Urgent Care

78 SUTTON AVE
Oxford, MA 01540

Reassigned Medicare billing, Massachusetts enrollment
2,902 clinicians in this Medicare group

NPI 1982381018 (508) 499-1760

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 15

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 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

420 services222 patients

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.

397 services174 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.

312 services268 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

84 services67 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.

72 services53 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

64 services32 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

60 services28 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

56 services24 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

48 services20 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

36 services34 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

30 services13 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

28 services22 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

19 services19 patients

Measurement c-reactive protein for detection of infection or inflammation 86140

C-reactive protein (CRP) test is a blood test that checks for signs of inflammation or infection in the body. High levels of CRP often suggest that there's inflammation or a bacterial infection. This test helps in monitoring and managing conditions like arthritis and heart disease.

17 services11 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

14 services14 patients

Hospital Affiliations CMS Care Compare 5

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

Elmhurst Memorial Hospital

Acute Care Hospitals · Elmhurst, IL

4/5 CMS rating

OwnershipProprietary

CMS Certification Number140200

Location155 East Brush Hill RoadElmhurst, IL 60126 · Du Page County

Emergency services Birthing friendly

Edward Hospital

Acute Care Hospitals · Naperville, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140231

Location801 South WashingtonNaperville, IL 60540 · Du Page County

Emergency services Birthing friendly

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page County

Emergency services Birthing friendly

Advocate Good Samaritan Hospital

Acute Care Hospitals · Downers Grove, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140288

Location3815 Highland AvenueDowners Grove, IL 60515 · Du Page County

Emergency services Birthing friendly

Carewell Health Medical Center

Acute Care Hospitals · East Orange, NJ

1/5 CMS rating

OwnershipProprietary

CMS Certification Number310083

Location300 Central AveEast Orange, NJ 07018 · Essex County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60148 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

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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.

Other Providers at the Same Location NPPES 6

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

MS. DEBORAH ANN ROGOZ FNP-BC

Nurse Practitioner (Family)