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TIFFANY WING-YIU DIEP NP
NPI 1669944534
Nurse Practitioner - Family in Pomona, CA

Active since December 17, 2018PECOS EnrolledAccepts Medicare Assignment
350 VINTON AVE STE 101, POMONA, CA 91767(096) 205-5029 Get Directions Write a Review

NPPES record last updated: September 11, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 11, 2019, Dec 17, 2018 (2 updates tracked since 2018).

About Tiffany Wing-yiu Diep Np NPPES

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

TIFFANY WING-YIU DIEP NP (NPI 1669944534) is an individual family provider in Pomona, California, licensed in California (95010475) and active in the NPI registry since December 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1669944534
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameTIFFANY WING-YIU DIEPCredential: NP
Location Address350 VINTON AVE STE 101Pomona, CA 91767-3000
Mailing Address350 Vinton Ave Ste 101Pomona, CA 91767-3000 · (909) 620-5502
Phone(096) 205-5029
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateDecember 17, 2018
Last NPPES UpdateSeptember 11, 20192 updates tracked since enumeration
✔ NPI 1669944534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95010475
Also ListedRegistered NurseTaxonomy 163W00000X · License 95073170 (CA)
350 VINTON AVE STE 101, Pomona, CA 91767
Open in Google Maps ↗

Other Names 1

Former Name (1)Tiffany Wing-yiu Ma

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

Tiffany Wing-yiu Diep Np 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 ID4486073913
PECOS Enrollment IDI20201001001831
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
14 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91767 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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 4

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

DR. VANDANA AGARWAL MD
Internal Medicine (Hematology & Oncology)
350 VINTON AVE STE 101
POMONA, CA 91767
Los Angeles County (909) 620-5502
SUSAN BAUERLE FNP
Nurse Practitioner (Family)
350 VINTON AVE STE 101
POMONA, CA 91767
Los Angeles County (909) 620-5502
MS. KATRINA LATRICE BRITTON NURSE PRACTITIONER
Nurse Practitioner (Primary Care)
350 VINTON AVE STE 101
POMONA, CA 91767
Los Angeles County (248) 894-3111
DAVID MONTENEGRO SAPIEN JR. M.D.
Internal Medicine
350 VINTON AVE STE 101
POMONA, CA 91767
Los Angeles County (909) 620-5502

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 Tiffany Diep's NPI number?

The NPI number for Tiffany Diep is 1669944534. It was assigned to this individual provider in the NPPES registry on December 17, 2018. The provider is also known as Tiffany Wing-Yiu Ma.

Where is Tiffany Diep located?

Tiffany Diep practices at 350 Vinton Ave Ste 101, Pomona, CA 91767. The listed phone number is (096) 205-5029.

What is Tiffany Diep's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Tiffany Diep enrolled in Medicare?

Yes. Tiffany Diep is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Tiffany Diep was last updated on September 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.