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ARIBA DADABHOY
NPI 1164008645
Internal Medicine in Fontana, CA

Active since March 23, 2021PECOS Enrolled
9985 SIERRA AVE, FONTANA, CA 92335(909) 427-5339 Get Directions Write a Review

NPPES record last updated: May 27, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 27, 2025, Apr 8, 2025, Mar 23, 2021 (3 updates tracked since 2021).

About Ariba Dadabhoy NPPES

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

ARIBA DADABHOY (NPI 1164008645) is an individual internal medicine provider in Fontana, California, licensed in California (192504) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1164008645
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameARIBA DADABHOY
Location Address9985 SIERRA AVEFontana, CA 92335-6720
Mailing Address9985 Sierra AveFontana, CA 92335-6720 · (909) 427-6112
Phone(909) 427-5339
Sole ProprietorNo
Enumeration DateMarch 23, 2021
Last NPPES UpdateMay 27, 20253 updates tracked since enumeration
NPPES CertifiedApril 8, 2025
✔ NPI 1164008645 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 · 192504
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
9985 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 (PECOS)

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

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 Ariba Dadabhoy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
0.2 mi
Health Maintenance Organization
9961 SIERRA AVE
Fontana, CA 92335
  • Reassigned Medicare billing, California enrollment
  • 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92335 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

NAINESH K. GANDHI MD
Internal Medicine (Cardiovascular Disease)
9985 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (866) 454-3485
DR. PAYMON MESGARZADEH M.D.
Internal Medicine (Cardiovascular Disease)
9985 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 427-5000
DR. MARK JONATHAN LANDAU M.D., PH.D.
Plastic Surgery
9985 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (833) 574-2273
DR. YUJIAN GUO M.D.
Psychiatry & Neurology (Neurology)
9985 SIERRA AVE, MOB-2, BASEMENT
FONTANA, CA 92335
San Bernardino County (909) 427-5000
MANUEL RICARDO MOJICA JR. M.D.
Internal Medicine
9985 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 427-5000
MR. FRED GADEA III
Physical Therapy Assistant
9985 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 427-5000
DR. ADEEL HUSAIN M.D.
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
9985 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 427-5000
PATRICIA LOTICH OTR
Occupational Therapist
9985 SIERRA AVE
FONTANA, CA 92335
San Bernardino County (909) 427-6996

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 Ariba Dadabhoy's NPI number?

The NPI number for Ariba Dadabhoy is 1164008645. It was assigned to this individual provider in the NPPES registry on March 23, 2021.

Where is Ariba Dadabhoy located?

Ariba Dadabhoy practices at 9985 Sierra Ave, Fontana, CA 92335. The listed phone number is (909) 427-5339.

What is Ariba Dadabhoy's specialty?

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

Is Ariba Dadabhoy enrolled in Medicare?

Yes. Ariba Dadabhoy is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ariba Dadabhoy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ariba Dadabhoy reassigns Medicare benefits to Southern California Permanente Medical Group (Fontana, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ariba Dadabhoy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ariba Dadabhoy was last updated on May 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.