NPPES file of Aug 9, 2026

Matthew Louie, M.D.

Psychiatry Physician · Lancaster, CA

Matthew Louie, M.D. is a psychiatry physician with a practice address in Lancaster, California, and NPI 1609167311, issued on Apr 28, 2011. Check the license (California A127353, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609167311
Name
Matthew Louie
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
A127353 CA
28287 OK
Self-reported in NPPES; status is on the state search
Practice location
349A E Avenue K6, Lancaster, CA 93535
Phone
(661) 723-4260
Enumerated
Apr 28, 2011
Record last updated
Dec 28, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(661) 723-6975
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 psychiatry physician records → All 8,673 in California → Look up another NPI →

Also registered at 349A E Avenue K6

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

  1. David Arnett, MSWClinical Social Worker1518493816
  2. Savanah BarajasRehabilitation Practitioner1225915663
  3. Nicaea Berry, CCMACommunity Health Worker1003354010
  4. Ronit Choresh-GeronMarriage & Family Therapist1942664990
  5. Regina ConleyCase Manager/Care Coordinator1609068667
  6. Carmen Figueroa, LCSWClinical Social Worker1336495548

Verify Matthew Louie in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A127353    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 California license search

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Industry payments in 2024: $171.02

2 payments; by number, the most common kind was food and beverage; the largest payer was Axsome Therapeutics, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Matthew Louie$171.02
  2. Specialty average$4,954.93

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Matthew Louie among 8,673 psychiatry physician records in California

Matthew Louie, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 63% of them.

  • NPI issued2011 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2018 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in California

There are 8,673 psychiatry physician records in California.

All 8,673 in California → Every provider in Lancaster → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Harald Krueger, M.D.Lancaster, CA 935351477691988
  2. Michael Marcus, MDLancaster, CA 935351316380306
  3. Thomas Carlton, M.D.Lancaster, CA 935341912079518
  4. Andrea Carter, MDLancaster, CA 935341992091391
  5. Roy Del-Rosario, M.D.Lancaster, CA 935341740381870
  6. Omar Anthony Eslao, M.D.Lancaster, CA 935341518112606
  7. Robert Imani, M.D.Lancaster, CA 935341639374747
  8. Furqan Nusair, MDLancaster, CA 935361548692809

Common questions

What is Matthew Louie, M.D.'s NPI number?

Matthew Louie, M.D.'s National Provider Identifier (NPI) is 1609167311, issued on Apr 28, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Louie, M.D. located?

The NPPES record lists a practice address at 349A E Avenue K6, Lancaster, CA, 93535. Phone: (661) 723-4260. Providers update this record themselves, so call before visiting.

How can I verify Matthew Louie, M.D.'s license?

NPPES lists California license number A127353, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. 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.