DIANA NHUNG TRAN M.D.
NPI 1114119328
Obstetrics & Gynecology in Fontana, CA

Active since August 11, 2007PECOS Enrolled
9961 SIERRA AVE, MOB 1, 3RD FLOOR, FONTANA, CA 92335(909) 427-5000 Get Directions Write a Review

NPPES record last updated: July 24, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 24, 2024, Jan 20, 2016 (2 updates tracked since 2016).

About Diana Nhung Tran M.d. NPPES

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

DIANA NHUNG TRAN M.D. (NPI 1114119328) is an individual obstetrics & gynecology provider in Fontana, California, licensed in California (A92818) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114119328
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDIANA NHUNG TRANCredential: M.D.
Location Address9961 SIERRA AVE, MOB 1, 3RD FLOORFontana, CA 92335-6720
Mailing Address393 E Walnut St, 3rd FloorPasadena, CA 91188-0001 · (877) 608-0044
Sole ProprietorNo
Enumeration DateAugust 11, 2007
Last NPPES UpdateJuly 24, 20242 updates tracked since enumeration
NPPES CertifiedJuly 24, 2024
NPI 1114119328 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in CA · A92818
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
9961 SIERRA AVE, Fontana, CA 92335

Other Names 1

Other Name (5)Diana Nhung Tran M.d.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Diana Nhung Tran M.d. 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.

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
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
Most-billed visit code 99213
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.

Physical Therapist
9961 SIERRA AVE, BUILDING 3A
FONTANA, CA 92335
Pediatrics
9961 SIERRA AVE, KAISER PERMANENTE FONTANA - PEDIATRICS
FONTANA, CA 92335
Pharmacist
9961 SIERRA AVE
FONTANA, CA 92335
Dietitian, Registered
9961 SIERRA AVE
FONTANA, CA 92335
Nurse Anesthetist, Certified Registered
9961 SIERRA AVE
FONTANA, CA 92335
Nurse Practitioner
9961 SIERRA AVE
FONTANA, CA 92335
Nurse Practitioner
9961 SIERRA AVE
FONTANA, CA 92335
Family Medicine
9961 SIERRA AVE
FONTANA, CA 92335

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 Diana Tran's NPI number?

The NPI number for Diana Tran is 1114119328. It was assigned to this individual provider in the NPPES registry on August 11, 2007. The provider is also known as Diana Nhung Tran M.D..

Where is Diana Tran located?

Diana Tran practices at 9961 Sierra Ave Mob 1, 3rd Floor, Fontana, CA 92335. The listed phone number is (909) 427-5000.

What is Diana Tran's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Diana Tran enrolled in Medicare?

Yes. Diana Tran is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Diana Tran was last updated on July 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.