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ASHKAN TADAYONI
NPI 1194388207
Internal Medicine in Torrance, CA

Active since April 16, 2019PECOS Enrolled
1000 W CARSON ST, TORRANCE, CA 90502(424) 306-4000 Get Directions Write a Review

NPPES record last updated: April 10, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 10, 2026, Dec 5, 2024, Apr 16, 2019 (3 updates tracked since 2019).

About Ashkan Tadayoni NPPES

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

ASHKAN TADAYONI (NPI 1194388207) is an individual internal medicine provider in Torrance, California, licensed in California (A205611) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Richmond University Medical Center, and maintains a secondary practice location in Brooklyn.

NPPES Registry Identity

NPI1194388207
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameASHKAN TADAYONI
Location Address1000 W CARSON STTorrance, CA 90502-2059
Mailing Address1000 W Carson StTorrance, CA 90502-2004
Phone(424) 306-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateApril 16, 2019
Last NPPES UpdateApril 10, 20263 updates tracked since enumeration
NPPES CertifiedApril 10, 2026
✔ NPI 1194388207 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A205611
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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1000 W CARSON ST, Torrance, CA 90502
Open in Google Maps ↗

Secondary Practice Location 1

Location 1450 Clarkson AveBrooklyn, NY 11203-2012 · Phone (718) 270-1766

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ashkan Tadayoni is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4284156225
PECOS Enrollment IDI20250319001004
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.

Hospital Affiliations CMS Care Compare

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

Richmond University Medical Center

Acute Care Hospitals · Staten Island, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330028
Location355 Bard AvenueStaten Island, NY 10310 · Richmond County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90502 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.

Other Providers at the Same Location NPPES 20

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

MISS BRITTANY IRVINE M.A.
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-2345
DEPAREMENT OF MANTAL HEALTH
Case Management
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-1648
DINA M MEZA
Nurse Practitioner (Family)
1000 W CARSON ST, HEAD AND NECK BOX 6
TORRANCE, CA 90502
Los Angeles County (310) 222-2741
MARIA GUADALUPE VALADEZ
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (559) 789-1327
ESTEBAN COTA
Specialist
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-2345
MS. DAWN MARIE TLUSTY RN
Registered Nurse (Infusion Therapy)
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-1906
DR. NICOLE MOORE MD
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-2345
KENTON YUJI SAKURAI
Psychiatry & Neurology (Psychiatry)
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (424) 306-4000

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 Ashkan Tadayoni's NPI number?

The NPI number for Ashkan Tadayoni is 1194388207. It was assigned to this individual provider in the NPPES registry on April 16, 2019.

Where is Ashkan Tadayoni located?

Ashkan Tadayoni practices at 1000 W Carson St, Torrance, CA 90502. The listed phone number is (424) 306-4000.

What is Ashkan Tadayoni's specialty?

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

Is Ashkan Tadayoni enrolled in Medicare?

Yes. Ashkan Tadayoni is registered in the Medicare PECOS enrollment system.

Is Ashkan Tadayoni affiliated with any hospitals?

According to CMS data, Ashkan Tadayoni is affiliated with Richmond University Medical Center.

When was this NPI record last updated?

The NPPES record for Ashkan Tadayoni was last updated on April 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.