NPPES file of Aug 9, 2026

Fabian Alvarado, FNP

Family Nurse Practitioner · Royal Oaks, CA

Fabian Alvarado, FNP is a family nurse practitioner with a practice address in Royal Oaks, California, and NPI 1578891859, issued on Nov 25, 2009. Check the license (California NP19343, 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
1578891859
Name
Fabian Alvarado
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
NP19343 CA
Self-reported in NPPES; status is on the state search
Practice location
29 Bishop St Ste A, Royal Oaks, CA 95076
Phone
(831) 728-2505
Enumerated
Nov 25, 2009
Record last updated
May 16, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(831) 728-2636
Medicaid ID
00NP19343 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 29 Bishop St Ste A

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

  1. Pablo MarchevskyFamily Medicine Physician1396155685

Verify Fabian Alvarado 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 NP19343
    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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62% fewer Medicare Part D claims than the average family nurse practitioner in 2024

502 Medicare Part D claims for 84 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Fabian Alvarado502
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium54 claims
  2. Hydrochlorothiazide48 claims
  3. Amlodipine Besylate39 claims
  4. Losartan Potassium39 claims
  5. Lisinopril38 claims
  6. Metformin Hcl32 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: $22.32

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme 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. Fabian Alvarado$22.32
  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.

Fabian Alvarado among 16,966 family nurse practitioner records in California

Fabian Alvarado, FNP 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 2009, is newer than 15% of them.

  • NPI issued2009 · 15% of these records are older, 83% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 40% of these records are
  • Record last updated2016 · 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).

1 family nurse practitioner record lists a practice address in Royal Oaks

They are 1 of the 21 NPPES records with a practice address in Royal Oaks, and 16,966 family nurse practitioner records in California.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Andrea Alheit, NPWatsonville, CA 950761043999808
  2. Maritza Cardenas, FNPWatsonville, CA 950761043992951
  3. Evelyn Chin, FNP-BCWatsonville, CA 950761891117388
  4. Christopher Contini, FNPWatsonville, CA 950761710329255
  5. Lluvia Esparza, FNPWatsonville, CA 950761093061665
  6. Samantha Fernandez Fernandez, MSN, FNP-C, PHNWatsonville, CA 950761780255000
  7. Yessica Flores Escobar, NPWatsonville, CA 950761356847149
  8. Kathryn GrifoWatsonville, CA 950761245560747

Common questions

What is Fabian Alvarado, FNP's NPI number?

Fabian Alvarado, FNP's National Provider Identifier (NPI) is 1578891859, issued on Nov 25, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Fabian Alvarado, FNP located?

The NPPES record lists a practice address at 29 Bishop St Ste A, Royal Oaks, CA, 95076. Phone: (831) 728-2505. Providers update this record themselves, so call before visiting.

How can I verify Fabian Alvarado, FNP's license?

NPPES lists California license number NP19343, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Fabian Alvarado, FNP prescribe under Medicare Part D?

In 2024, Fabian Alvarado, FNP had 502 Medicare Part D claims for 84 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.

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.