DR. ROBERT W NGUYEN MD
NPI 1144256900
Internal Medicine in Colton, CA

Active since June 24, 2006PECOS EnrolledAccepts Medicare Assignment
400 N PEPPER AVE, COLTON, CA 92324(909) 580-1000 Get Directions Write a Review

NPPES record last updated: March 31, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Robert W Nguyen Md NPPES

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

DR. ROBERT W NGUYEN MD (NPI 1144256900) is an individual internal medicine provider in Colton, California, licensed in California (A93153) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1144256900
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ROBERT W NGUYENCredential: MD
Location Address400 N PEPPER AVEColton, CA 92324-1801
Mailing AddressPo Box 998North Hollywood, CA 91603-0998 · (818) 509-2222 · Fax (818) 509-2229
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateJune 24, 2006
Last NPPES UpdateMarch 31, 2008
NPI 1144256900 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 · A93153
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.
400 N PEPPER AVE, Colton, CA 92324

Other Identifiers 5

Medicare PIN00A931533CA
Medicare PINP00363135CA
Medicare UPINI48844CA
Medicaid00A931530CA
Medicare PIN00A931530CA

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

Dr. Robert W Nguyen Md 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 ID8325052228
PECOS Enrollment IDI20060131000232
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 3

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 high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
443 services126 patients
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.
19 services16 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
18 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92324 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
5 suppliers37 claims89 services$3.93 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
4 suppliers23 claims28 services$0.48 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
1 supplier11 claims11 services$33.72 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 20

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

Licensed Psychiatric Technician
400 N PEPPER AVE
COLTON, CA 92324
Registered Nurse (Psychiatric/Mental Health)
400 N PEPPER AVE
COLTON, CA 92324
General Acute Care Hospital
400 N PEPPER AVE
COLTON, CA 92324
Registered Nurse
400 N PEPPER AVE
COLTON, CA 92324
Registered Nurse
400 N PEPPER AVE
COLTON, CA 92324
Registered Nurse
400 N PEPPER AVE
COLTON, CA 92324
Student in an Organized Health Care Education/Training Program
400 N PEPPER AVE
COLTON, CA 92324
Otolaryngology
400 N PEPPER AVE, MOB SUITE 308
COLTON, CA 92324

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 Robert Nguyen's NPI number?

The NPI number for Robert Nguyen is 1144256900. It was assigned to this individual provider in the NPPES registry on June 24, 2006.

Where is Robert Nguyen located?

Robert Nguyen practices at 400 N Pepper Ave, Colton, CA 92324. The listed phone number is (909) 580-1000.

What is Robert Nguyen's specialty?

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

Is Robert Nguyen enrolled in Medicare?

Yes. Robert Nguyen 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 Robert Nguyen was last updated on March 31, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.