NPPES file of Aug 9, 2026

Esmeralda Guerrero, MSN, FNP-C

Family Nurse Practitioner · Torrance, CA

Esmeralda Guerrero, MSN, FNP-C is a family nurse practitioner with a practice address in Torrance, California, and NPI 1487905543, issued on Sep 28, 2012. Check the license (California 22369, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1487905543
Name
Esmeralda Guerrero
Credential
MSN, FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
22369 CA
Self-reported in NPPES; status is on the state search
Practice location
3400 Lomita Blvd Ste 104, Torrance, CA 90505
Phone
(310) 784-8000
Enumerated
Sep 28, 2012
Record last updated
Nov 5, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(310) 784-8008
Medicare enrollment
Enrolled (PECOS I20191114003307); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 family nurse practitioner records → All 16,966 in California → Look up another NPI →

Also registered at 3400 Lomita Blvd Ste 104

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

  1. Audrey Chen, MDPsychiatry Physician1790247534
  2. Monquen Huang, M.D.Neurology Physician1477782035
  3. Sushan JoshiInternal Medicine Physician1982851143
  4. Nosrat Nabavi, M.D.Specialist1336227263
  5. Melvin Snyder, M.D.Specialist1942388962
  6. David Stern, M.D.Family Medicine Physician1699798694

Verify Esmeralda Guerrero 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 22369    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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3.8 times the Medicare Part D claims of the average family nurse practitioner in 2024

4,938 Medicare Part D claims for 624 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 118 claims were for opioids.

  1. Esmeralda Guerrero4,938
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium375 claims
  2. Amlodipine Besylate229 claims
  3. Losartan Potassium176 claims
  4. Levothyroxine Sodium163 claims
  5. Simvastatin161 claims
  6. Rosuvastatin Calcium145 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $919.81

27 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Esmeralda Guerrero$919.81
  2. Specialty average$650.95

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

Bills Medicare through one group practice

  1. Torrance Health Association IncTorrance, CA

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

Esmeralda Guerrero among 16,966 family nurse practitioner records in California

Esmeralda Guerrero, MSN, FNP-C is one of 16,966 family nurse practitioner 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 2012, is newer than 21% of them.

  • NPI issued2012 · 21% of these records are older, 76% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2012 · median 2019 among the 6,793 with a school on file
  • Record last updated2019 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

174 family nurse practitioner records list a practice address in Torrance

They are 174 of the 8,901 NPPES records with a practice address in Torrance, and 16,966 family nurse practitioner records in California.

All 16,966 in California → Every provider in Torrance → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Maryam Ahmad, NPTorrance, CA 905051043211733
  2. Naomi Arroyo, FNP, MSNTorrance, CA 905051932424462
  3. Tara Bartlett, FNPTorrance, CA 905051124386347
  4. Myriam BoutaryTorrance, CA 905051891022778
  5. Eliza Cambay, FNP-BCTorrance, CA 905051477849982
  6. Mia Camcam, NPTorrance, CA 905051740352301
  7. Shawn Destasio, NPTorrance, CA 905051942378690
  8. Cynthia Griswold, F.N.P.Torrance, CA 905051659608230

Common questions

What is Esmeralda Guerrero, MSN, FNP-C's NPI number?

Esmeralda Guerrero, MSN, FNP-C's National Provider Identifier (NPI) is 1487905543, issued on Sep 28, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Esmeralda Guerrero, MSN, FNP-C located?

The NPPES record lists a practice address at 3400 Lomita Blvd Ste 104, Torrance, CA, 90505. Phone: (310) 784-8000. Providers update this record themselves, so call before visiting.

How can I verify Esmeralda Guerrero, MSN, FNP-C's license?

NPPES lists California license number 22369, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Esmeralda Guerrero, MSN, FNP-C prescribe under Medicare Part D?

In 2024, Esmeralda Guerrero, MSN, FNP-C had 4,938 Medicare Part D claims for 624 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.