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MICHAEL T. NGUYEN MD
NPI 1871671685
Internal Medicine in Manteca, CA

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
1721 W YOSEMITE AVE, MANTECA, CA 95337(209) 476-2000 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Michael T. Nguyen Md NPPES

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

MICHAEL T. NGUYEN MD (NPI 1871671685) is an individual internal medicine provider in Manteca, California, licensed in California (A66359) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1995).

NPPES Registry Identity

NPI1871671685
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMICHAEL T. NGUYENCredential: MD
Location Address1721 W YOSEMITE AVEManteca, CA 95337-5130
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Phone(209) 476-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateNovember 1, 2006
Last NPPES UpdateDecember 13, 2021
✔ NPI 1871671685 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 · A66359
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.
1721 W YOSEMITE AVE, Manteca, CA 95337
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Other Identifiers 1

Medicaid00A663590CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Michael T. 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 ID42407900
PECOS Enrollment IDI20101206000298
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 Michael Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
15 mi
Internal Medicine
7373 WEST LANE
Stockton, CA 95210
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1548343510 (209) 476-2000

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 95337 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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.

ALEXANDER PAIZ
Physical Therapist
1721 W YOSEMITE AVE
MANTECA, CA 95337
San Joaquin County (209) 825-3700
SUN D. HANSROTE MD
Psychiatry & Neurology (Neurology)
1721 W YOSEMITE AVE
MANTECA, CA 95337
San Joaquin County (209) 476-2000
JAGJOT SINGH BHANGOO
Pharmacist
1721 W YOSEMITE AVE
MANTECA, CA 95337
San Joaquin County (209) 321-2592
BARBARA JANE BAUER MD
Family Medicine
1721 W YOSEMITE AVE
MANTECA, CA 95337
San Joaquin County (209) 476-2000
BRIJINDER S. OBERAI MD
Hospitalist
1721 W YOSEMITE AVE
MANTECA, CA 95337
San Joaquin County (209) 476-2000
DR. LOURDES VALDEZ HUMPHREY PSY.D
Psychologist (Clinical)
1721 W YOSEMITE AVE
MANTECA, CA 95337
San Joaquin County (209) 824-5068
KHALEEDAH YOUNG D.O.
Family Medicine
1721 W YOSEMITE AVE
MANTECA, CA 95337
San Joaquin County (209) 825-3700
SAMUEL ANTONIO GALICIA M.D.
Internal Medicine
1721 W YOSEMITE AVE
MANTECA, CA 95337
San Joaquin County (209) 825-3700

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 Michael Nguyen's NPI number?

The NPI number for Michael Nguyen is 1871671685. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Michael Nguyen located?

Michael Nguyen practices at 1721 W Yosemite Ave, Manteca, CA 95337. The listed phone number is (209) 476-2000.

What is Michael Nguyen's specialty?

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

Is Michael Nguyen enrolled in Medicare?

Yes. Michael 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.

Which organization bills Medicare for Michael Nguyen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Nguyen reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, 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 Michael Nguyen'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 Michael Nguyen was last updated on December 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.