NPPES file of Aug 9, 2026

Katerine Papadopoulos, NP

Adult Health Nurse Practitioner · Santa Rosa, CA

Katerine Papadopoulos, NP is an adult health nurse practitioner with a practice address in Santa Rosa, California, and NPI 1639465636, issued on Jun 28, 2011. Check the license (California 20425, 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
1639465636
Name
Katerine Papadopoulos
Credential
NP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
20425 CA
Self-reported in NPPES; status is on the state search
Practice location
1221 N Dutton Ave, Santa Rosa, CA 95401
Phone
(707) 543-8360
Enumerated
Jun 28, 2011
Record last updated
Nov 14, 2011 (not updated in 15 years: call before relying on the address or phone)
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 1221 N Dutton Ave

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

  1. John Alchemy, MDFamily Medicine Physician1659443307
  2. Suzanne Kritz, PT, DPTPhysical Therapist1396343042
  3. Catherine Losada, FNPFamily Nurse Practitioner1164786992
  4. Ashlynn McQuaidAcupuncturist1659052488
  5. Hayley Murphy, PA-CPhysician Assistant1649963869
  6. Larry Oakes, PTLA, DPTPhysical Therapist1699382739

Verify Katerine Papadopoulos 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 20425
    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: $103.81

1 payment: food and beverage; the largest payer was Abbvie Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katerine Papadopoulos$103.81
  2. Specialty average$946.40

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

Katerine Papadopoulos among 1,405 adult health nurse practitioner records in California

Katerine Papadopoulos, NP is one of 1,405 adult health nurse practitioner records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 41% of them.

  • NPI issued2011 · 41% of these records are older, 53% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · 31% of these records are
  • Record last updated2011 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in California

There are 1,405 adult health nurse practitioner records in California.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Carolyn Hruschka, A.N.P.Santa Rosa, CA 954011740215912
  2. Laura Berke, RN, FNPSanta Rosa, CA 954031306923602
  3. Helen Effron, N.P.Santa Rosa, CA 954031619083920
  4. Toni McFadden, CNPSanta Rosa, CA 954031205859311
  5. Joseph Smihula, NPSanta Rosa, CA 954031154421873
  6. Thomas Young, PHD, NPSanta Rosa, CA 954041689797029
  7. Katherine Aldrich, NPSanta Rosa, CA 954051194995563
  8. Sarah Chow, NP, MHSSanta Rosa, CA 954051447557525

Common questions

What is Katerine Papadopoulos, NP's NPI number?

Katerine Papadopoulos, NP's National Provider Identifier (NPI) is 1639465636, issued on Jun 28, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Katerine Papadopoulos, NP located?

The NPPES record lists a practice address at 1221 N Dutton Ave, Santa Rosa, CA, 95401. Phone: (707) 543-8360. Providers update this record themselves, so call before visiting.

How can I verify Katerine Papadopoulos, NP's license?

NPPES lists California license number 20425, 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.

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.