DR. WYMAN W. LAI (MD) – Pediatric Cardiology Physician, NPI 1689659955

DR. WYMAN W. LAI (MD) is a healthcare provider. based in Orange, California. specializing in PEDIATRIC MEDICINE, CARDIOVASCULAR DISEASE (CARDIOLOGY). They hold the professional credentials MD. They hold a License No. 189740 (NY). The NPI Number for DR. WYMAN W. LAI (MD) is 1689659955

Main info

Male
40 Years Of Experience
Accepts Medicare Assignment
Name
DR. WYMAN W. LAI (MD)
NPI
1689659955
Phone
(714) 509-8052
Address
505 S MAIN ST
Enumeration Date
9 December 2005
Last Update Date
31 October 2016

Doctor Profile

Medical School Name
WARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Secondary Phone
8887702462
Graduation Year
1986 (40 years ago)
PAC ID
8628157179
Group Practice PAC ID
6406944883
Professional Enrollment ID
I20160318000379
Address ID
CA928684203OR1201XAVEX500
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness75
Years active:20State licenses:2Digital endpointsOther names

2,386 PEDIATRIC MEDICINE in CA

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Provider Addresses for DR. WYMAN W. LAI (MD)

  • Main International Group, 505, South Main Street, Pacific Park, Santa Ana, Orange County, California, 92701, United States

    SUITE 200

    ORANGE, CA 928684509

    Phone: (714) 509-8052

    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 1 Open Payments records for all available years, with a total value of $166.

Total Amount is formed as General ($166) + Research ($0) + Ownership ($0) = $166.

Last reported payment date: 2023-06-24 • Largest payer in this snapshot: Siemens Medical Solutions USA, Inc. ($166).

Total Amount

$166

General + Research + Ownership

Payments

1

Total payment records

General Amount

$166

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-06-24

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: 2016-03-18

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
I20160318000379IPediatric MedicineCATBD

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: 6406944883View full group profile
NameSpecialtyState
-CA
Pediatric Medicine, Cardiovascular Disease (Cardiology)CA
Pediatric Medicine, Cardiovascular Disease (Cardiology)CA
G A S T R O E N T E R O L O G YCA
-CA
Pediatric Medicine, Medical Genetics And GenomicsCA
Pediatric Medicine, Allergy/ImmunologyCA
Pediatric MedicineCA
Diagnostic RadiologyNJ
Pediatric Medicine, Cardiovascular Disease (Cardiology)CA

Reviews

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Frequently asked questions

Can I use this page to confirm DR. WYMAN W. LAI (MD)'s NPI?
Yes. DR. WYMAN W. LAI (MD) is listed with NPI 1689659955 in the public NPI dataset.
Does the file indicate DR. WYMAN W. LAI (MD) is practicing under active NPI?
Directory data currently reports DR. WYMAN W. LAI (MD) as active.
What is DR. WYMAN W. LAI (MD)'s specialty?
The listing groups DR. WYMAN W. LAI (MD) with Pediatric Cardiology Physician. Clinical services aligned with this taxonomy classification.
Does DR. WYMAN W. LAI (MD) list a practice location?
Patients near Orange, California may find DR. WYMAN W. LAI (MD) in results; validate coverage separately.
Why does DR. WYMAN W. LAI (MD) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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