NPPES file of Aug 9, 2026

Gregory Wei-Yip Lau, MD

Maternal & Fetal Medicine Physician · Yuma, AZ

Gregory Wei-Yip Lau, MD is a maternal & fetal medicine physician with a practice address in Yuma, Arizona, and NPI 1144298431, issued on Mar 10, 2006. Check the license (Arizona 43374, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144298431
Name
Gregory Wei-Yip Lau
Credential
MD
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License numbers
43374 AZ
C54388 CA
B59255 MD
Self-reported in NPPES; status is on the state search
Practice location
2851 S Avenue B, Yuma, AZ 85364
Phone
(928) 336-2434
Enumerated
Mar 10, 2006
Record last updated
Dec 5, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(928) 336-2435
Medicare enrollment
Enrolled (PECOS I20140828000737); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest maternal & fetal medicine physician records → All 66 in Arizona → Look up another NPI →

Also registered at 2851 S Avenue B

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rodante Beltejar, DPTPhysical Therapist1992347249
  2. Terucko Couch, MED. MA. LPCProfessional Counselor1164053203
  3. Cherice Curtis, FNPFamily Nurse Practitioner1578933008
  4. Rodney Henderson, M.D.Orthopaedic Surgery Physician1225035488
  5. Shawn Hermenau, MDOrthopaedic Surgery Physician1427115625
  6. Gloria Keller, PA-CPhysician Assistant1730517731

Verify Gregory Wei-Yip Lau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 43374    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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One hospital affiliation

  1. Yuma Regional Medical CenterYuma, AZ · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Gregory Wei-Yip Lau among 66 maternal & fetal medicine physician records in Arizona

Gregory Wei-Yip Lau, MD is one of 66 maternal & fetal medicine physician records with a practice address in Arizona. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 36% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2001 · median 1999 among the 40 with a school on file
  • Record last updated2014 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Maternal & Fetal Medicine Physician providers in Arizona

There are 66 maternal & fetal medicine physician records in Arizona.

All 66 in Arizona → Every provider in Yuma → Maternal & Fetal Medicine Physician nationwide →

The 8 maternal & fetal medicine physician records with the nearest ZIP codes

  1. Bryan Freeman, M.D.Yuma, AZ 853641407000284
  2. Robert Johnson, M.D.Glendale, AZ 853081407825045
  3. Krunal Patel, M.D.Glendale, AZ 853041740558022
  4. Thomas Strong, M.D.Glendale, AZ 853041851360317
  5. Guadalupe Herrera-Garcia, D.O.Gilbert, AZ 852971497073704
  6. Maureen Lee, M.D.Gilbert, AZ 852971124131248
  7. Susan Ponkey, M.D.Gilbert, AZ 852951235193426
  8. Corenthian Booker, M.D.Scottsdale, AZ 852581740402007

Common questions

What is Gregory Wei-Yip Lau, MD's NPI number?

Gregory Wei-Yip Lau, MD's National Provider Identifier (NPI) is 1144298431, issued on Mar 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Wei-Yip Lau, MD located?

The NPPES record lists a practice address at 2851 S Avenue B, Yuma, AZ, 85364. Phone: (928) 336-2434. Providers update this record themselves, so call before visiting.

How can I verify Gregory Wei-Yip Lau, MD's license?

NPPES lists Arizona license number 43374, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.