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SHIRIN MAJDIZADEH M.D.
NPI 1700135126
Internal Medicine in Orange, CA

Active since August 30, 2012PECOS EnrolledAccepts Medicare Assignment
2501 E CHAPMAN AVE STE 207, ORANGE, CA 92869(714) 771-8177 Get Directions Write a Review

NPPES record last updated: August 1, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Shirin Majdizadeh M.d. NPPES

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

SHIRIN MAJDIZADEH M.D. (NPI 1700135126) is an individual internal medicine provider in Orange, California, licensed in California (C174901) and active in the NPI registry since August 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1700135126
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameSHIRIN MAJDIZADEHCredential: M.D.
Location Address2501 E CHAPMAN AVE STE 207Orange, CA 92869-3204
Mailing Address2501 E Chapman Ave Ste 207Orange, CA 92869-3204
Phone(714) 771-8177
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateAugust 30, 2012
Last NPPES UpdateAugust 1, 2025
NPPES CertifiedAugust 1, 2025
✔ NPI 1700135126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CA · C174901✔ Licensed in IL · 036137067✔ Licensed in IL · 125062446
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.
2501 E CHAPMAN AVE STE 207, Orange, CA 92869
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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

Shirin Majdizadeh 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 ID2365758158
PECOS Enrollment IDI20230516003338
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92869 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

Standard wheelchair K0001
DME-Wheelchairs · category DD000N
2 suppliers23 claims23 services$20.13 avg. paid by Medicare
Elevating leg rests, pair (for use with capped rental wheelchair base) K0195
DME-Wheelchairs · category DD021N
2 suppliers20 claims20 services$8.78 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Shirin Majdizadeh's NPI number?

The NPI number for Shirin Majdizadeh is 1700135126. It was assigned to this individual provider in the NPPES registry on August 30, 2012.

Where is Shirin Majdizadeh located?

Shirin Majdizadeh practices at 2501 E Chapman Ave Ste 207, Orange, CA 92869. The listed phone number is (714) 771-8177.

What is Shirin Majdizadeh's specialty?

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

Is Shirin Majdizadeh enrolled in Medicare?

Yes. Shirin Majdizadeh 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.

When was this NPI record last updated?

The NPPES record for Shirin Majdizadeh was last updated on August 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.