HAROLD H. NGUYEN (MD) – Interventional Cardiology Physician, NPI 1881765816

HAROLD H. NGUYEN (MD) is a healthcare provider. based in Anaheim, California. specializing in Interventional Cardiology Physician. They hold the professional credentials MD. They hold a License No. G59942 (CA). The NPI Number for HAROLD H. NGUYEN (MD) is 1881765816

Main info

Male
42 Years Of Experience
Accepts Medicare Assignment
Name
HAROLD H. NGUYEN (MD)
NPI
1881765816
Phone
(888) 988-2800
Address
441 N LAKEVIEW AVE
Enumeration Date
13 November 2006
Last Update Date
3 December 2021

Doctor Profile

Medical School Name
UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Secondary Phone
7142542747
Graduation Year
1984 (42 years ago)
PAC ID
6305038597
Group Practice PAC ID
6002729175
Professional Enrollment ID
I20101006000635

Contacts

SOAP Endpoint
https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness85
Years active:19State licenses:1Other namesUpdated within 12 months

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Provider Addresses for HAROLD H. NGUYEN (MD)

  • Lakeview Avenue, Peralta Hills, Anaheim, Orange County, California, 92807, United States

    ANAHEIM, CA 928073028

    Phone: (888) 988-2800

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 92807)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6002729175View full group profile
NameSpecialtyState
U R O L O G YOH
Nurse PractitionerCA
Internal MedicineCA
Internal MedicineCA
Internal Medicine, GastroenterologyCA
Physician AssistantCA
Emergency MedicineNC
O P H T H A L M O L O G YCA
Anesthesiology, Pain ManagementNH
Family Practice, Sports MedicineCA

Reviews

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Frequently asked questions

Does HAROLD H. NGUYEN (MD) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — HAROLD H. NGUYEN (MD) uses 1881765816.
Does CMS list HAROLD H. NGUYEN (MD) as active?
Yes — HAROLD H. NGUYEN (MD) is active in the NPI listing used on this page.
What taxonomy line describes HAROLD H. NGUYEN (MD)?
For research purposes, treat HAROLD H. NGUYEN (MD) as Interventional Cardiology Physician in this dataset. Clinical services aligned with this taxonomy classification.
What address line appears for HAROLD H. NGUYEN (MD)?
HAROLD H. NGUYEN (MD)'s geographic hint is Anaheim, California in our summary view.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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