NPPES file of Aug 9, 2026

Lauren Siegler Muhlheim, PSY.D.

Psychologist · Los Angeles, CA

Lauren Siegler Muhlheim, PSY.D. is a psychologist with a practice address in Los Angeles, California, and NPI 1194037358, issued on Jul 5, 2010. Check the license (California PSY 15045, as entered in NPPES) with the California board that licenses this profession; 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
1194037358
Name
Lauren Siegler Muhlheim
Credential
PSY.D.
Primary taxonomy
Psychologist 103T00000X
License number
PSY 15045 CA
Self-reported in NPPES; status is on the state search
Practice location
4929 Wilshire Blvd Ste 1000, Los Angeles, CA 90010
Phone
(323) 743-1122
Enumerated
Jul 5, 2010
Record last updated
Nov 27, 2023
Fax
(323) 693-0875
Medicare enrollment
Enrolled (PECOS I20240229001357); 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 psychologist records → All 7,304 in California → Look up another NPI →

Also registered at 4929 Wilshire Blvd Ste 1000

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

  1. Elisha Carcieri, PH.D.Clinical Psychologist1841688009
  2. Kristine Flanigan, PSYDPsychologist1154060531
  3. Alaysia FrancisPsychologist1528917242
  4. Emma Haren, AMFTMarriage & Family Therapist1346082914
  5. Christina HeathMarriage & Family Therapist1275488678
  6. Julianna KirkpatrickMarriage & Family Therapist1477343440

Verify Lauren Siegler Muhlheim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PSY 15045    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
Find the California license search

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Lauren Siegler Muhlheim among 7,304 psychologist records in California

Lauren Siegler Muhlheim, PSY.D. is one of 7,304 psychologist records with a practice address in California. 6% 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 2010, is newer than 46% of them.

  • NPI issued2010 · 46% of these records are older, 50% newer
  • In a Medicare fileNo · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 14% of these records are
  • Graduated1995 · median 2005 among the 1,058 with a school on file
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in California

There are 7,304 psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,304 in California → Every provider in Los Angeles → Psychologist nationwide →

The 8 psychologist records with the nearest ZIP codes

  1. Janet Del Rio, PSYDLos Angeles, CA 900101932274222
  2. Vaheideh GudemanLos Angeles, CA 900101376795195
  3. Michael JuarezLos Angeles, CA 900101336318476
  4. Nadim Karim, PH.D.Los Angeles, CA 900101326122938
  5. Michael KothLos Angeles, CA 900101013229632
  6. Soonja Lee, PSYCHOLOGISTLos Angeles, CA 900101265714638
  7. Ana Nogales, PHDLos Angeles, CA 900101114022761
  8. Berta Ortiz, PH.D.Los Angeles, CA 900101790864239

Common questions

What is Lauren Siegler Muhlheim, PSY.D.'s NPI number?

Lauren Siegler Muhlheim, PSY.D.'s National Provider Identifier (NPI) is 1194037358, issued on Jul 5, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Siegler Muhlheim, PSY.D. located?

The NPPES record lists a practice address at 4929 Wilshire Blvd Ste 1000, Los Angeles, CA, 90010. Phone: (323) 743-1122. Providers update this record themselves, so call before visiting.

How can I verify Lauren Siegler Muhlheim, PSY.D.'s license?

NPPES lists California license number PSY 15045, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

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.