DR. ARNOLD HOO SETO (M.D.) – Interventional Cardiology Physician, NPI 1215081807

DR. ARNOLD HOO SETO (M.D.) is a healthcare provider. based in Orange, California. specializing in CARDIOVASCULAR DISEASE (CARDIOLOGY), CRITICAL CARE (INTENSIVISTS). They hold the professional credentials M.D.. They hold a License No. A81136 (CA). The NPI Number for DR. ARNOLD HOO SETO (M.D.) is 1215081807

Main info

Male
25 Years Of Experience
Accepts Medicare Assignment
Name
DR. ARNOLD HOO SETO (M.D.)
NPI
1215081807
Phone
(714) 456-6699
Address
101 THE CITY DR S
Enumeration Date
22 January 2007
Last Update Date
20 June 2011

Doctor Profile

Medical School Name
HARVARD MEDICAL SCHOOL
Secondary Phone
5625941772
Graduation Year
2001 (25 years ago)
PAC ID
5092793455
Group Practice PAC ID
5890738868
Professional Enrollment ID
I20040712000775
Address ID
CA907203375LO3801XAVEX301
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness75
Years active:19State licenses:1Digital endpointsOther names

3,010 CARDIOVASCULAR DISEASE (CARDIOLOGY) in CA

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Provider Addresses for DR. ARNOLD HOO SETO (M.D.)

  • UCI Medical Center, 101, The City Drive South, Orange, Orange County, California, 92868, United States

    ORANGE, CA 928683201

    Phone: (714) 456-6699

    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)

CMS reports 86 Open Payments records for all available years, with a total value of $31,184.

Total Amount is formed as General ($31,184) + Research ($0) + Ownership ($0) = $31,184.

Last reported payment date: 2024-12-14 • Largest payer in this snapshot: Janssen Pharmaceuticals, Inc ($20,603).

Total Amount

$31,184

General + Research + Ownership

Payments

86

Total payment records

General Amount

$31,184

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-14

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-07-12

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040712000775ICardiovascular Disease (Cardiology)CATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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 92868)

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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: 5890738868View full group profile
NameSpecialtyState
Cardiovascular Disease (Cardiology), Internal MedicineCA
Internal MedicineCA
Cardiovascular Disease (Cardiology), Internal MedicineCA
Cardiovascular Disease (Cardiology)OH
Internal Medicine, Cardiovascular Disease (Cardiology)CA

Reviews

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Frequently asked questions

How do payers reference DR. ARNOLD HOO SETO (M.D.)?
For DR. ARNOLD HOO SETO (M.D.), use NPI 1215081807 as the unique 10-digit identifier.
Would DR. ARNOLD HOO SETO (M.D.) appear as active to a payer?
You can treat DR. ARNOLD HOO SETO (M.D.) as active for directory purposes; confirm clinical privileges separately.
What kind of doctor is DR. ARNOLD HOO SETO (M.D.)?
DR. ARNOLD HOO SETO (M.D.) is associated with Interventional Cardiology Physician in the directory — Clinical services aligned with this taxonomy classification.
Is DR. ARNOLD HOO SETO (M.D.) located near Orange?
DR. ARNOLD HOO SETO (M.D.) currently maps to Orange, California in this extract.
Does DR. ARNOLD HOO SETO (M.D.) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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