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LESLIE C WEST MD
NPI 1255862587
Psychiatry & Neurology - Sleep Medicine in Sausalito, CA

Active since March 27, 2017PECOS Enrolled
74.46/100
CMS Quality Rating
3 HARBOR DR STE 111, SAUSALITO, CA 94965(415) 683-2988(415) 683-2980 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 16, 2026, Aug 18, 2022, Mar 27, 2017 (3 updates tracked since 2017).

About Leslie C West Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LESLIE C WEST MD (NPI 1255862587) is an individual sleep medicine provider in Sausalito, California, licensed in California (A157439) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS and is a graduate of Central Michigan College Of Medicine (2017).

NPPES Registry Identity

NPI1255862587
Entity TypeIndividualFemale
Primary Taxonomy2084S0012X
Provider Legal NameLESLIE C WESTCredential: MD
Location Address3 HARBOR DR STE 111Sausalito, CA 94965-1491
Mailing Address3 Harbor Dr Ste 111Sausalito, CA 94965-1491 · (415) 683-2988 · Fax (415) 683-2980
Phone(415) 683-2988
Fax(415) 683-2980
Sole ProprietorYes
Medical School CMSCentral Michigan College Of MedicineGraduated 2017
Enumeration DateMarch 27, 2017
Last NPPES UpdateMarch 16, 20263 updates tracked since enumeration
NPPES CertifiedMarch 16, 2026
✔ NPI 1255862587 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Sleep MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2084S0012X
License✔ Licensed in CA · A157439
Definition
A Psychiatrist or Neurologist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License A157439 (CA)
3 HARBOR DR STE 111, Sausalito, CA 94965
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Leslie C West Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2264816727
PECOS Enrollment IDI20220831003956
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Leslie West reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ucsf Medical Group Business Services
5.9 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808
University Of California San Francisco
5.9 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1164512851 (415) 476-1000
Regents Univ Of California Ucsf
6.0 mi
Internal Medicine
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 339 clinicians in this Medicare group
NPI 1124439807 (415) 476-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
70 services54 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
61 services61 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
59 services43 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
41 services29 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
38 services38 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
30 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94965 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.04 typical visit price
range $69.07 – $202.63
Typical copayment $38.51 (range $17.26 – $50.65)
Most-billed visit code 99204
Established Patient
$119.61 typical visit price
range $23.44 – $166.64
Typical copayment $29.90 (range $5.86 – $41.66)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability76
Improvement Activities40
Cost46.68

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ADITI AHLAWAT M.D.
Psychiatry & Neurology (Neurology)
3 HARBOR DR STE 111
SAUSALITO, CA 94965
Marin County (415) 683-2988
MICHAEL C CHASE MD
Internal Medicine
3 HARBOR DR STE 111
SAUSALITO, CA 94965
Marin County (415) 683-2988
DR. SIEGRIED AUDFREY FLORES CHIN MD
Internal Medicine
3 HARBOR DR STE 111
SAUSALITO, CA 94965
Marin County (415) 683-2988
NADINE ALDAHHAN DO
Family Medicine
3 HARBOR DR STE 111
SAUSALITO, CA 94965
Marin County (415) 683-2988
REBECCA DUTTA
Psychiatry & Neurology (Neurology)
3 HARBOR DR STE 111
SAUSALITO, CA 94965
Marin County (415) 683-2988
TATIANA ELOISA HUEZO FNP-C
Nurse Practitioner (Family)
3 HARBOR DR STE 111
SAUSALITO, CA 94965
Marin County (415) 683-2988
DR. KATHLEEN CRUZ ZUNIGA MD
Family Medicine
3 HARBOR DR STE 111
SAUSALITO, CA 94965
Marin County (915) 215-8000
HANNAH KATAGIRI NP
Nurse Practitioner (Family)
3 HARBOR DR STE 111
SAUSALITO, CA 94965
Marin County (415) 683-2988

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leslie West's NPI number?

The NPI number for Leslie West is 1255862587. It was assigned to this individual provider in the NPPES registry on March 27, 2017.

Where is Leslie West located?

Leslie West practices at 3 Harbor Dr Ste 111, Sausalito, CA 94965. The listed phone number is (415) 683-2988.

What is Leslie West's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Sleep Medicine, with taxonomy code 2084S0012X.

Is Leslie West enrolled in Medicare?

Yes. Leslie West is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Leslie West's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leslie West reassigns Medicare benefits to 3 organizations: Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Regents Univ Of California Ucsf (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Leslie West's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Leslie West was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.