Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. TRINH TUYET TANG MD
NPI 1326014986
Internal Medicine in Riverside, CA

Active since February 24, 2006PECOS Enrolled
4000 14TH ST, #213, RIVERSIDE, CA 92501(951) 248-0073(951) 248-0075 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Trinh Tuyet Tang Md NPPES

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

DR. TRINH TUYET TANG MD (NPI 1326014986) is an individual internal medicine provider in Riverside, California, licensed in California (A060195) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326014986
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. TRINH TUYET TANGCredential: MD
Location Address4000 14TH ST, #213Riverside, CA 92501-4083
Mailing Address4000 14th St, #213Riverside, CA 92501-4083 · (951) 248-0073 · Fax (951) 248-0075
Fax(951) 248-0075
Sole ProprietorNo
Enumeration DateFebruary 24, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1326014986 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A060195
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.

4000 14TH ST, Riverside, CA 92501

Other Names 1

Professional Name (2)Dr. Ashley Tang Md

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Trinh Tuyet Tang Md 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.

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
42 services32 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92501 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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
8 suppliers14 claims38 services$6.18 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$69.38 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$32.54 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 18

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

Clinic/Center (Radiology)
4000 14TH ST, SUITE 109
RIVERSIDE, CA 92501
Radiology (Diagnostic Radiology)
4000 14TH ST, SUITE 109
RIVERSIDE, CA 92501
Internal Medicine
4000 14TH ST, STE 213
RIVERSIDE, CA 92501
Specialist
4000 14TH ST, SUITE 512
RIVERSIDE, CA 92501
Medical Genetics (Clinical Genetics (M.D.))
4000 14TH ST, SUITE # 310
RIVERSIDE, CA 92501
Surgery
4000 14TH ST, STE 306
RIVERSIDE, CA 92501
Psychiatry & Neurology (Psychiatry)
4000 14TH ST, SUITE 310A
RIVERSIDE, CA 92501
Internal Medicine (Cardiovascular Disease)
4000 14TH ST, SUITE 412
RIVERSIDE, CA 92501

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 Trinh Tang's NPI number?

The NPI number for Trinh Tang is 1326014986. It was assigned to this individual provider in the NPPES registry on February 24, 2006. The provider is also known as Dr. Ashley Tang MD.

Where is Trinh Tang located?

Trinh Tang practices at 4000 14th St #213, Riverside, CA 92501. The listed phone number is (951) 248-0073.

What is Trinh Tang's specialty?

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

Is Trinh Tang enrolled in Medicare?

Yes. Trinh Tang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Trinh Tang was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.