NPPES file of Aug 9, 2026

Lauren Sylwester, CNM

Advanced Practice Midwife · Fountain Valley, CA

Lauren Sylwester, CNM is an advanced practice midwife with a practice address in Fountain Valley, California, and NPI 1962027706, issued on Jun 8, 2020. Check the license (California 236111, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962027706
Name
Lauren Sylwester
Credential
CNM
Primary taxonomy
Advanced Practice Midwife 367A00000X
License number
236111 CA
Self-reported in NPPES; status is on the state search
Practice location
18035 Brookhurst St, Fountain Valley, CA 92708
Phone
(657) 241-9090
Enumerated
Jun 8, 2020
Record last updated
Oct 11, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(714) 665-4603
Medicare enrollment
Enrolled (PECOS I20200619000935); 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.
Download card Updates feed

Also registered at 18035 Brookhurst St

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

  1. Joel Bartlett, MDInternal Medicine Physician1073518791
  2. Nasrin Damoui, MDFamily Medicine Physician1841295326
  3. Alan Ho, M.D.Pain Medicine (Anesthesiology) Physician1154565612
  4. Keun-Heng Huo, M.D.Orthopaedic Surgery of the Spine Physician1306158506
  5. Yvette Pasillas, LCSWClinical Social Worker1609602705
  6. Linda Sanfilippo, PAPhysician Assistant1336140003

Verify Lauren Sylwester 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 236111    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.9
  2. Costout of 100 · 30%55.1
  3. Promoting interoperabilityout of 100 · 25%78.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Memorialcare Medical FoundationFountain Valley, CA

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

Advanced Practice Midwife providers in California

There are 1,115 advanced practice midwife records in California.

All 1,115 in California → Every provider in Fountain Valley →

Other advanced practice midwife records in California

  1. Brie Abbe, CNMUkiah, CA1457020398
  2. La Neice Abdel-Shakur, CNMTravis Afb, CA1215098512
  3. Lauren Abrahamson, CNM, NP, MSNWalnut Creek, CA1225695869
  4. Nadia Abu-Douleh, MSN CNM WHNP-BCLa Jolla, CA1851157937
  5. Liliana Acevedo Miramontes, CNM, WHNP-BCGarden Grove, CA1760238596
  6. Patricia Achilly, CNMSan Diego, CA1932257847
  7. Deborah Acker, JD, MSN, CNM, RNSacramento, CA1750952099
  8. Marian Acquistapace, CNM/FNPSanta Cruz, CA1215488226
  9. Rachael Adair, CNM, PMHNPEureka, CA1104229483
  10. Deena Adams, CNM/NPFresno, CA1093010977

Common questions

What is Lauren Sylwester, CNM's NPI number?

Lauren Sylwester, CNM's National Provider Identifier (NPI) is 1962027706, issued on Jun 8, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Sylwester, CNM located?

The NPPES record lists a practice address at 18035 Brookhurst St, Fountain Valley, CA, 92708. Phone: (657) 241-9090. Providers update this record themselves, so call before visiting.

How can I verify Lauren Sylwester, CNM's license?

NPPES lists California license number 236111, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

What is Lauren Sylwester, CNM's MIPS final score?

The 2023 MIPS final score is 76.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.