NPPES file of Aug 9, 2026

Ann Catherine Chau, MD

Maternal & Fetal Medicine Physician · Metairie, LA

Ann Catherine Chau, MD is a maternal & fetal medicine physician with a practice address in Metairie, Louisiana, and NPI 1952322976, issued on Jul 23, 2006. Check the license (Louisiana 019856, as entered in NPPES) on the Louisiana State Board of Medical Examiners; 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
1952322976
Name
Ann Catherine Chau
Credential
MD
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License number
019856 LA
Self-reported in NPPES; status is on the state search
Practice location
4200 Houma Blvd, Metairie, LA 70006
Phone
(504) 456-5446
Enumerated
Jul 23, 2006
Record last updated
Jan 15, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(504) 456-5485
Medicaid IDs
00114334 MS
1992402 LA
Medicare enrollment
Enrolled (PECOS I20101122001072); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In New Orleans, 1988
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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Also registered at 4200 Houma Blvd

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

  1. Austin Acks, MDStudent in an Organized Health Care Education/Training Program1487457768
  2. Trenice AdamsFamily Nurse Practitioner1962398974
  3. Haris Asif, MDInternal Medicine Physician1861016354
  4. Nur Barlas, MDInternal Medicine Physician1720729528
  5. Areaine Batiste-Johnson, PHARM DPharmacist1598082273
  6. Carter Baughman, MDInternal Medicine Physician1477120871

Verify Ann Catherine Chau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
    Search for license 019856
    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 Louisiana 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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Bills Medicare through one group practice

  1. Louisiana State University School OF Medicine IN New Orleans Faculty GNew Orleans, LA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ann Catherine Chau among 39 maternal & fetal medicine physician records in Louisiana

Ann Catherine Chau, MD is one of 39 maternal & fetal medicine physician records with a practice address in Louisiana. 74% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 38% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated1988 · median 1999 among the 32 with a school on file
  • Record last updated2010 · 49% 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 Louisiana 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 Louisiana

There are 39 maternal & fetal medicine physician records in Louisiana.

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

  1. Cecilia Gambala, M.D.Metairie, LA 700011386842490
  2. Chi Dola, M.D.Harvey, LA 700581063511590
  3. Paul Clisham, MDNew Orleans, LA 701121508942715
  4. Asha Heard, MDNew Orleans, LA 701121205094745
  5. Robert Maupin, MDNew Orleans, LA 701121902828635
  6. Joseph Miller, MDNew Orleans, LA 701121942223896
  7. Gabriella Pridjian, MDNew Orleans, LA 701121699868471
  8. Tabitha Quebedeaux, MD, PHDNew Orleans, LA 701121821330606

Common questions

What is Ann Catherine Chau, MD's NPI number?

Ann Catherine Chau, MD's National Provider Identifier (NPI) is 1952322976, issued on Jul 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ann Catherine Chau, MD located?

The NPPES record lists a practice address at 4200 Houma Blvd, Metairie, LA, 70006. Phone: (504) 456-5446. Providers update this record themselves, so call before visiting.

How can I verify Ann Catherine Chau, MD's license?

NPPES lists Louisiana license number 019856, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.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.

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.