NPPES file of Aug 9, 2026

Doreen Hamilton, N.P.

Acute Care Nurse Practitioner · Downey, CA

Doreen Hamilton, N.P. is an acute care nurse practitioner with a practice address in Downey, California, and NPI 1629388798, issued on Oct 7, 2010. Check the license (California 20317, 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
1629388798
Name
Doreen Hamilton
Credential
N.P.
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
20317 CA
Self-reported in NPPES; status is on the state search
Practice location
10000 Lakewood Blvd, Downey, CA 90240
Phone
(562) 862-3684
Enumerated
Oct 7, 2010
Record last updated
Oct 7, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(562) 862-7145
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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8 nearest acute care nurse practitioner records → All 1,810 in California → Look up another NPI →

Also registered at 10000 Lakewood Blvd

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

  1. Kristy Alston, FNP-CFamily Nurse Practitioner1801110234
  2. Sameer Amin, MDInternal Medicine Physician1326164633
  3. Jose Anguiano, M.D.Internal Medicine Physician1841637576
  4. Rachel Aragon, NPNurse Practitioner1285785725
  5. Miri Chang, FNP-BCFamily Nurse Practitioner1851610158
  6. Sepideh Chegini, M.D.Internal Medicine Physician1871547075

Verify Doreen Hamilton 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 20317    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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Industry payments in 2024: $14.44

1 payment: food and beverage; the largest payer was Alkermes, Inc. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Doreen Hamilton$14.44
  2. Specialty average$647.94

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

Doreen Hamilton among 1,810 acute care nurse practitioner records in California

Doreen Hamilton, N.P. is one of 1,810 acute care nurse practitioner records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 15% of them.

  • NPI issued2010 · 15% of these records are older, 82% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2010 · 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 363LA2100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in California

There are 1,810 acute care nurse practitioner records in California.

All 1,810 in California → Every provider in Downey → Acute Care Nurse Practitioner nationwide →

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Andrea CuadrasDowney, CA 902411750984746
  2. Janine Cuevas, NPDowney, CA 902411477278489
  3. Vicky Marquez, AGACNP-BCDowney, CA 902411982460424
  4. Zian Chen, AGACNPDowney, CA 902421487476727
  5. Avril Delgardo, AGACNPDowney, CA 902421275146219
  6. Erica Buck, N.P.El Segundo, CA 902451285847277
  7. Denis KeshishyanEl Segundo, CA 902451932791456
  8. Amy Thatcher, NPEl Segundo, CA 902451952603896

Common questions

What is Doreen Hamilton, N.P.'s NPI number?

Doreen Hamilton, N.P.'s National Provider Identifier (NPI) is 1629388798, issued on Oct 7, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Doreen Hamilton, N.P. located?

The NPPES record lists a practice address at 10000 Lakewood Blvd, Downey, CA, 90240. Phone: (562) 862-3684. Providers update this record themselves, so call before visiting.

How can I verify Doreen Hamilton, N.P.'s license?

NPPES lists California license number 20317, 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.