TIRAJEH SAADATZADEH M.D., M.S., B.A.
NPI 1629425202
Internal Medicine in Chicago, IL

Q: What is Tirajeh Saadatzadeh's NPI number?

The NPI number for Tirajeh Saadatzadeh is 1629425202. It was assigned to this individual provider in the NPPES registry on May 24, 2016.

Q: What is Tirajeh Saadatzadeh's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since May 24, 2016PECOS EnrolledAccepts Medicare Assignment

676 N SAINT CLAIR ST STE 940, CHICAGO, IL 60611(312) 926-8358(312) 926-9630 Get Directions Write a Review

NPPES record last updated: August 2, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 2, 2024, Jun 6, 2022, Aug 20, 2020 and 2 more (5 updates tracked since 2020).

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About Tirajeh Saadatzadeh M.d., M.s., B.a. NPPES

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

TIRAJEH SAADATZADEH M.D., M.S., B.A. (NPI 1629425202) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036.159488) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1629425202

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameTIRAJEH SAADATZADEHCredential: M.D., M.S., B.A.

Location Address676 N SAINT CLAIR ST STE 940Chicago, IL 60611-2945

Mailing Address251 E Huron StChicago, IL 60611-2908

Phone(312) 926-8358

Fax(312) 926-9630

Sole ProprietorYes

Medical School CMSIndiana University School Of MedicineGraduated 2016

Enumeration DateMay 24, 2016

Last NPPES UpdateAugust 2, 20245 updates tracked since enumeration

NPPES CertifiedAugust 2, 2024

✔ NPI 1629425202 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in IL · 036.159488✔ Licensed in TX · S5057✔ Licensed in NM · MD2019-0164

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License 036159488 (IL)

Also ListedHospitalistTaxonomy 208M00000X · License 036159488 (IL), S5057 (TX)

676 N SAINT CLAIR ST STE 940, Chicago, IL 60611

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Secondary Practice Location 1

Location 1251 E Huron StChicago, IL 60611-2908 · Phone (312) 926-2000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan.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

Tirajeh Saadatzadeh M.d., M.s., B.a. 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 ID9234425265

PECOS Enrollment IDI20200408000436, I20240328002290

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 Tirajeh Saadatzadeh reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northwestern Medical Faculty Foundation

35 mi

Multi-Specialty

DEPT 5777
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
4,817 clinicians in this Medicare group

NPI 1346235314 (855) 694-2866

Scott & White Clinic

805 mi

Internal Medicine

3500 GASTON AVE
Dallas, TX 75246

Reassigned Medicare billing, Texas enrollment
2,795 clinicians in this Medicare group

NPI 1649820796 (214) 820-1933

Southwest Medical Associates, LLC

1,125 mi

General Practice

6701 JEFFERSON ST NE
Albuquerque, NM 87109

Reassigned Medicare billing, New Mexico enrollment
554 clinicians in this Medicare group

NPI 1164491072 (505) 727-6200

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.

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.

44 services30 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.

40 services27 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.

24 services24 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.

24 services24 patients

Hospital Affiliations CMS Care Compare 3

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

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

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Baylor Scott & White Medical Center - Temple

Acute Care Hospitals · Temple, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450054

Location2401 S 31st StTemple, TX 76508 · Bell County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

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 2

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

2 suppliers38 claims38 services$17.14 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

2 suppliers38 claims38 services$88.11 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 14

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

PHILLIP PASQUALE SANTOIEMMA M.D.

Internal Medicine (Infectious Disease)