WILLIAM LOI NGO DO
NPI 1932161189
Family Medicine - Geriatric Medicine in Garden Grove, CA

Q: What is William Ngo's NPI number?

The NPI number for William Ngo is 1932161189. It was assigned to this individual provider in the NPPES registry on April 4, 2006.

Q: What is William Ngo's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.

Q: When was this NPI record last updated?

The NPPES record for William Ngo was last updated on May 16, 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.

Active since April 04, 2006PECOS EnrolledAccepts Medicare Assignment

8342 GARDEN GROVE BLVD STE 5, GARDEN GROVE, CA 92844(714) 590-4899(714) 590-1833 Get Directions Write a Review

NPPES record last updated: May 16, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About William Loi Ngo Do NPPES

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

WILLIAM LOI NGO DO (NPI 1932161189) is an individual geriatric medicine provider in Garden Grove, California, licensed in California (20A6015) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of College Of Osteo Med Of The Pacific At Pomona (1990).

NPPES Registry Identity

NPI1932161189

Entity TypeIndividualMale

Primary Taxonomy207QG0300X

Provider Legal NameWILLIAM LOI NGOCredential: DO

Location Address8342 GARDEN GROVE BLVD STE 5Garden Grove, CA 92844-1192

Mailing Address8342 Garden Grove Blvd Ste 5Garden Grove, CA 92844-1192 · (714) 590-4899 · Fax (714) 590-1833

Phone(714) 590-4899

Fax(714) 590-1833

Sole ProprietorNo

Medical School CMSCollege Of Osteo Med Of The Pacific At PomonaGraduated 1990

Enumeration DateApril 4, 2006

Last NPPES UpdateMay 16, 2008

✔ NPI 1932161189 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207QG0300X

License✔ Licensed in CA · 20A6015

Definition

A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.

8342 GARDEN GROVE BLVD STE 5, Garden Grove, CA 92844

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Other Identifiers 2

Medicare UPINF59883CA

Medicaid20A6015CA

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

William Loi Ngo Do 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 ID4789617366

PECOS Enrollment IDI20050915000375

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 92844 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.

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 William Ngo's NPI number?

The NPI number for William Ngo is 1932161189. It was assigned to this individual provider in the NPPES registry on April 4, 2006.

Where is William Ngo located?

William Ngo practices at 8342 Garden Grove Blvd Ste 5, Garden Grove, CA 92844. The listed phone number is (714) 590-4899.

What is William Ngo's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.

Is William Ngo enrolled in Medicare?

Yes. William Ngo 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 William Ngo was last updated on May 16, 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.