NPPES file of Aug 9, 2026

Katelyn Guzman, DNP, CNM, RN

Maternal Newborn Registered Nurse · Los Angeles, CA

Katelyn Guzman, DNP, CNM, RN is a maternal newborn registered nurse with a practice address in Los Angeles, California, and NPI 1477103067, issued on Sep 16, 2019. Check the license (California 236473, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477103067
Name
Katelyn Guzman
Credential
DNP, CNM, RN
Primary taxonomy
Maternal Newborn Registered Nurse 163WM0102X
License numbers
236473 CA
RN60968916 WA
Self-reported in NPPES; status is on the state search
Practice location
1225 Wilshire Blvd, Los Angeles, CA 90017
Phone
(213) 977-2121
Enumerated
Sep 16, 2019
Record last updated
May 13, 2026
Medicare enrollment
Enrolled (PECOS I20250826002140); 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 maternal newborn registered nurse records → All 82 in California → Look up another NPI →

Also registered at 1225 Wilshire Blvd

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

  1. Hanan Abdelfattah, PAPhysician Assistant1699230953
  2. Mari Abdulian, PA-CPhysician Assistant1629307947
  3. Nicholas Abraham, M.D.Emergency Medicine Physician1770984098
  4. Tiffany Abramson, MDEmergency Medicine Physician1154793586
  5. Nicole Adams, FNPFamily Nurse Practitioner1730889270
  6. Gabrielle Ahlzadeh, MDEmergency Medicine Physician1225427172

Verify Katelyn Guzman 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 236473    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.

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Bills Medicare through one group practice

  1. Pih Health PhysiciansLa Mirada, CA

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

Katelyn Guzman among 82 maternal newborn registered nurse records in California

Katelyn Guzman, DNP, CNM, RN is one of 82 maternal newborn registered nurse records with a practice address in California. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 43% of them.

  • NPI issued2019 · 43% of these records are older, 56% newer
  • In a Medicare fileYes · 2% of these records are
  • In the CMS Doctors and Clinicians fileYes · 1% of these records are
  • Record last updated2026 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WM0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Maternal Newborn Registered Nurse providers in California

There are 82 maternal newborn registered nurse records in California.

All 82 in California → Every provider in Los Angeles → Maternal Newborn Registered Nurse nationwide →

The 8 maternal newborn registered nurse records with the nearest ZIP codes

  1. Charlotte Torricer, RNLos Angeles, CA 900421659997153
  2. Sherry FillaferPlaya Del Rey, CA 902931831043249
  3. Jazmine Moore Douglas, RNInglewood, CA 903051063341022
  4. Rachel Gioja, RNMontebello, CA 906401265150403
  5. Lerin Jaraczewski, RNSan Pedro, CA 907311467077594
  6. Katrina MorettaSeal Beach, CA 907401336088152
  7. Nao ChinoGlendale, CA 912041467390203
  8. Linda Hanna, RNC, MSN/ED, IBCLCCanoga Park, CA 913031720329915

Common questions

What is Katelyn Guzman, DNP, CNM, RN's NPI number?

Katelyn Guzman, DNP, CNM, RN's National Provider Identifier (NPI) is 1477103067, issued on Sep 16, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Katelyn Guzman, DNP, CNM, RN located?

The NPPES record lists a practice address at 1225 Wilshire Blvd, Los Angeles, CA, 90017. Phone: (213) 977-2121. Providers update this record themselves, so call before visiting.

How can I verify Katelyn Guzman, DNP, CNM, RN's license?

NPPES lists California license number 236473, 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. 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.