NPPES file of Aug 9, 2026

Nancy Sheau Lan Louca, M.D.

Emergency Medicine Physician · Brighton, MA

Nancy Sheau Lan Louca, M.D. is an emergency medicine physician with a practice address in Brighton, Massachusetts, and NPI 1861657272, issued on Jul 24, 2008. Check the license (Massachusetts 243654, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1861657272
Name
Nancy Sheau Lan Louca
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
243654 MA
2479331 NY
Self-reported in NPPES; status is on the state search
Practice location
736 Cambridge St., Brighton, MA 02135
Phone
(646) 643-6707
Enumerated
Jul 24, 2008
Record last updated
Aug 5, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(617) 789-3338
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →

Also registered at 736 Cambridge St.

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

  1. Mazen Toushan, M.D.Anatomic Pathology & Clinical Pathology Physician1407262918

Verify Nancy Sheau Lan Louca in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 243654    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 Massachusetts license search

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Nancy Sheau Lan Louca among 1,829 emergency medicine physician records in Massachusetts

Nancy Sheau Lan Louca, M.D. is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 49% of them.

  • NPI issued2008 · 49% of these records are older, 47% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2010 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Massachusetts

There are 1,829 emergency medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,829 in Massachusetts → Every provider in Brighton → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Zaid Altawil, M.D.Boston, MA 021351285096073
  2. Christopher Avery, D.O.Brighton, MA 021351730161761
  3. Garett Burke, MDBrighton, MA 021351508824004
  4. Curtis Chui, M.D.Brighton, MA 021351295929008
  5. Natasha Collins, MDBrighton, MA 021351437671757
  6. Erik Deede, MDBrighton, MA 021351821036112
  7. Swati Dhanireddy, M.D.Brighton, MA 021351740620426
  8. Ivan Liang, M.D.Brighton, MA 021351407814908

Common questions

What is Nancy Sheau Lan Louca, M.D.'s NPI number?

Nancy Sheau Lan Louca, M.D.'s National Provider Identifier (NPI) is 1861657272, issued on Jul 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Sheau Lan Louca, M.D. located?

The NPPES record lists a practice address at 736 Cambridge St., Brighton, MA, 02135. Phone: (646) 643-6707. Providers update this record themselves, so call before visiting.

How can I verify Nancy Sheau Lan Louca, M.D.'s license?

NPPES lists Massachusetts license number 243654, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.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. 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.