Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SIDDHARTH KUMAR IYENGAR MD
NPI 1003376187
Internal Medicine - Medical Oncology in San Diego, CA

Q: What is Siddharth Iyengar's NPI number?

The NPI number for Siddharth Iyengar is 1003376187. It was assigned to this individual provider in the NPPES registry on March 23, 2019.

Q: What is Siddharth Iyengar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for Siddharth Iyengar was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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 March 23, 2019PECOS Enrolled

200 W ARBOR DR, SAN DIEGO, CA 92103(800) 926-8273(888) 539-8781 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 4, 2026, Aug 21, 2020, Mar 23, 2019 (3 updates tracked since 2019).

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About Siddharth Kumar Iyengar Md NPPES

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

SIDDHARTH KUMAR IYENGAR MD (NPI 1003376187) is an individual medical oncology provider in San Diego, California, licensed in California (181976) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of University Of Miami, Lm Miller School Of Medicine (2019).

NPPES Registry Identity

NPI1003376187

Entity TypeIndividualMale

Primary Taxonomy207RX0202X

Provider Legal NameSIDDHARTH KUMAR IYENGARCredential: MD

Location Address200 W ARBOR DRSan Diego, CA 92103-9000

Mailing AddressFile 57326Los Angeles, CA 90074-7326 · (800) 926-8273

Phone(800) 926-8273

Fax(888) 539-8781

Sole ProprietorNo

Medical School CMSUniversity Of Miami, Lm Miller School Of MedicineGraduated 2019

Enumeration DateMarch 23, 2019

Last NPPES UpdateAugust 4, 20263 updates tracked since enumeration

NPPES CertifiedAugust 4, 2026

✔ NPI 1003376187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in CA · 181976

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Also ListedInternal MedicineTaxonomy 207R00000X · License 11901347-1205 (UT)

200 W ARBOR DR, San Diego, CA 92103

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Secondary Practice Locations 3

Location 1910 Sycamore Ave Ste 102Vista, CA 92081-7833 · Phone (800) 926-8273 · Fax (888) 539-8781

Location 21200 Garden View RdEncinitas, CA 92024-2477 · Phone (800) 926-8273 · Fax (888) 539-8781

Location 330 N 1900 E Rm 4C116Salt Lake City, UT 84132-0002 · Phone (801) 581-7606

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

Siddharth Kumar Iyengar Md 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 ID1456779917

PECOS Enrollment IDI20251022003957

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 92103 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

$184.71 typical visit price

range $62.10 – $184.71

Typical copayment $46.17 (range $15.52 – $46.17)

Most-billed visit code 99205

Established Patient

$108.42 typical visit price

range $20.62 – $151.42

Typical copayment $27.10 (range $5.15 – $37.85)

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.

DR. RAMIN MOTARJEMI M.D.

Internal Medicine (Geriatric Medicine)