NPPES file of Aug 9, 2026

Kristen Elizabeth Duffy, C.R.N.P.

Adult Health Nurse Practitioner · Sacramento, CA

Kristen Elizabeth Duffy, C.R.N.P. is an adult health nurse practitioner with a practice address in Sacramento, California, and NPI 1205190618, issued on Jun 29, 2012. Check the license (California 95004503, 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
1205190618
Name
Kristen Elizabeth Duffy
Credential
C.R.N.P.
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
95004503 CA
Self-reported in NPPES; status is on the state search
Practice location
3000 Q St FL 3, Sacramento, CA 95816
Phone
(916) 733-3333
Enumerated
Jun 29, 2012
Record last updated
Jul 27, 2017 (not updated in 9 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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8 nearest adult health nurse practitioner records → All 1,405 in California → Look up another NPI →

Also registered at 3000 Q St FL 3

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

  1. Margherita Aikman, PHARMDAmbulatory Care Pharmacist1881972669
  2. Mutaal Akhter, MDHospitalist Physician1184263576
  3. Zaida AlbarracinInternal Medicine Physician1467879304
  4. Tierney Allen, M.D.Hospitalist Physician1598129264
  5. Felipe Arredondo, MDInternal Medicine Physician1407352883
  6. Nitu Aryal, M.D.Internal Medicine Physician1083870968

Verify Kristen Elizabeth Duffy 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 95004503    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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55% more Medicare Part D claims than the average adult health nurse practitioner in 2024

1,988 Medicare Part D claims for 122 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 195 claims were for opioids.

  1. Kristen Duffy1,988
  2. Specialty average1,280

Most prescribed

  1. Trazodone Hcl145 claims
  2. Tramadol Hcl68 claims
  3. Levothyroxine Sodium60 claims
  4. Ipratropium-Albuterol58 claims
  5. Pregabalin54 claims
  6. Duloxetine Hcl52 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: $63.49

3 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, 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. Kristen Duffy$63.49
  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.

Kristen Elizabeth Duffy among 1,405 adult health nurse practitioner records in California

Kristen Elizabeth Duffy, C.R.N.P. 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 2012, is newer than 47% of them.

  • NPI issued2012 · 47% of these records are older, 48% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · 31% of these records are
  • Record last updated2017 · 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.

All 1,405 in California → Every provider in Sacramento → Adult Health Nurse Practitioner nationwide →

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

  1. Daniel Ayana, NPSacramento, CA 958161679926927
  2. Sara Corzine, NPSacramento, CA 958161669998340
  3. Judy Hash, NPSacramento, CA 958161740276419
  4. Ana Bela Oliveira, NP-CSacramento, CA 958161043566938
  5. Brenda Perry, NPSacramento, CA 958161194998039
  6. David Hamilton, NP MSNSacramento, CA 958171659590974
  7. Helen Hourigan, ANPSacramento, CA 958171457405599
  8. Brianna KalmykowSacramento, CA 958171043524077

Common questions

What is Kristen Elizabeth Duffy, C.R.N.P.'s NPI number?

Kristen Elizabeth Duffy, C.R.N.P.'s National Provider Identifier (NPI) is 1205190618, issued on Jun 29, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Kristen Elizabeth Duffy, C.R.N.P. located?

The NPPES record lists a practice address at 3000 Q St FL 3, Sacramento, CA, 95816. Phone: (916) 733-3333. Providers update this record themselves, so call before visiting.

How can I verify Kristen Elizabeth Duffy, C.R.N.P.'s license?

NPPES lists California license number 95004503, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kristen Elizabeth Duffy, C.R.N.P. prescribe under Medicare Part D?

In 2024, Kristen Elizabeth Duffy, C.R.N.P. had 1,988 Medicare Part D claims for 122 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.