DR. DAVID KEN WAH LIEU (M.D.) – Cytopathology Physician, NPI 1912966680

DR. DAVID KEN WAH LIEU (M.D.) is a healthcare provider. based in Alhambra, California. specializing in PATHOLOGY, GENERAL PRACTICE. They hold the professional credentials M.D.. They hold a License No. G42121 (CA). The NPI Number for DR. DAVID KEN WAH LIEU (M.D.) is 1912966680

Main info

Male
Sole Proprietor
47 Years Of Experience
Accepts Medicare Assignment
Name
DR. DAVID KEN WAH LIEU (M.D.)
NPI
1912966680
Phone
(626) 288-7800
Address
320 S GARFIELD AVE
Enumeration Date
21 March 2006
Last Update Date
3 March 2008

Doctor Profile

Medical School Name
UNIVERSITY OF CALIFORNIA, IRVINE, CALIFORNIA COLLEGE OF MEDICINE
Secondary Phone
-
Graduation Year
1979 (47 years ago)
PAC ID
6800823857
Professional Enrollment ID
I20050720001114
Address ID
CA918010000AL320XXAVEX401
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness75
Years active:20State licenses:1Digital endpointsOther names

1,584 PATHOLOGY in CA

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Provider Addresses for DR. DAVID KEN WAH LIEU (M.D.)

  • 320, Garfield Avenue, Alhambra, Los Angeles County, California, 91801, United States

    # 278

    ALHAMBRA, CA 918013886

    Phone: (626) 288-7800

    Fax: (626) 288-7802

    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 $293.

Total Amount is formed as General ($293) + Research ($0) + Ownership ($0) = $293.

Last reported payment date: 2023-09-15 • Largest payer in this snapshot: LEICA MICROSYSTEMS INC. ($293).

Total Amount

$293

General + Research + Ownership

Payments

1

Total payment records

General Amount

$293

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-09-15

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
LEICA MICROSYSTEMS INC.$293
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: 2005-07-20

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
I20050720001114IPathologyCATBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99202New patient office or other outpatient visit, 15-29 minutes280280$0
10005Fine needle aspiration biopsy using ultrasound guidance, first growth277275$0
10006Fine needle aspiration biopsy using ultrasound guidance, each additional growth10374$0
76536Ultrasound scan of head and neck soft tissue9898$0
99212Established patient office or other outpatient visit, 10-19 minutes3434$0
View full utilization report →

Insurance plans in this area (ZIP 91801)

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Reviews

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Frequently asked questions

Is DR. DAVID KEN WAH LIEU (M.D.) listed with a National Provider Identifier?
Yes — DR. DAVID KEN WAH LIEU (M.D.) has NPI 1912966680 on file in the registry.
Is DR. DAVID KEN WAH LIEU (M.D.) still an active registrant?
DR. DAVID KEN WAH LIEU (M.D.) carries an active NPI according to the public dataset.
What clinical focus is listed for DR. DAVID KEN WAH LIEU (M.D.)?
At a glance, DR. DAVID KEN WAH LIEU (M.D.) is tied to Cytopathology Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with DR. DAVID KEN WAH LIEU (M.D.)?
Directory geography for DR. DAVID KEN WAH LIEU (M.D.) centers on Alhambra, California.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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