DR. VARTAN SEBU TASHJIAN MD, MS
NPI 1871736314
General Acute Care Hospital in Fontana, CA

Q: What is Vartan Tashjian's NPI number?

The NPI number for Vartan Tashjian is 1871736314. It was assigned to this individual provider in the NPPES registry on April 14, 2009.

Q: What is Vartan Tashjian's specialty?

The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.

Q: When was this NPI record last updated?

The NPPES record for Vartan Tashjian was last updated on November 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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 April 14, 2009PECOS EnrolledAccepts Medicare Assignment

9961 SIERRA AVE, MEDICAL OFFICE BUILDING 8 - NEUROSURGERY, FONTANA, CA 92335(323) 445-8342 Get Directions Write a Review

NPPES record last updated: November 18, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Vartan Sebu Tashjian Md, Ms NPPES

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

DR. VARTAN SEBU TASHJIAN MD, MS (NPI 1871736314) is an individual general acute care hospital provider in Fontana, California, licensed in California (A90459) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS and is a graduate of University Of Virginia School Of Medicine (2003).

NPPES Registry Identity

NPI1871736314

Entity TypeIndividualMale

Primary Taxonomy282N00000X

Provider Legal NameDR. VARTAN SEBU TASHJIANCredential: MD, MS

Location Address9961 SIERRA AVE, MEDICAL OFFICE BUILDING 8 - NEUROSURGERYFontana, CA 92335-6720

Mailing Address610 E Union St, #366Pasadena, CA 91101-2092 · (323) 445-8342

Phone(323) 445-8342

Sole ProprietorYes

Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2003

Enumeration DateApril 14, 2009

Last NPPES UpdateNovember 18, 2021

NPPES CertifiedNovember 18, 2021

✔ NPI 1871736314 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral Acute Care HospitalHospitals

Taxonomy Code282N00000X

License✔ Licensed in CA · A90459

Definition

An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.

9961 SIERRA AVE, Fontana, CA 92335

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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

Dr. Vartan Sebu Tashjian Md, Ms 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 ID4385830512

PECOS Enrollment IDI20101130000332

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 Reassignment

Medicare enrollment records show Vartan Tashjian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group

Same address

Health Maintenance Organization

9961 SIERRA AVE
Fontana, CA 92335

Reassigned Medicare billing, California enrollment
Also billed through NPI 1952333460 (California)
5,228 clinicians in this Medicare group

NPI 1689606196 (909) 427-3910

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

SHEILA ANN VANALLEN PT

Physical Therapist

9961 SIERRA AVE, BUILDING 3A
FONTANA, CA 92335

San Bernardino County (909) 427-7727

MR. JAMES DAVID KILLEEN III M.D.

Pediatrics

9961 SIERRA AVE, KAISER PERMANENTE FONTANA - PEDIATRICS
FONTANA, CA 92335

San Bernardino County (909) 427-6960

MR. DHIRESH N PATEL RPH

Pharmacist