NPPES file of Aug 9, 2026

Katherine Cupka Demasi, CRNP

Adult Health Nurse Practitioner · San Diego, CA

Katherine Cupka Demasi, CRNP is an adult health nurse practitioner with a practice address in San Diego, California, and NPI 1568997336, issued on Apr 28, 2017. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568997336
Name
Katherine Cupka Demasi
Credential
CRNP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License number
SP017328 PA
Self-reported in NPPES; status is on the state search
Practice location
6195 Lusk Blvd Ste 250, San Diego, CA 92121
Phone
(858) 859-1188
Enumerated
Apr 28, 2017
Record last updated
Oct 4, 2022
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 6195 Lusk Blvd Ste 250

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

  1. Elizabeth Abbott, PA-CPhysician Assistant1437540762
  2. Alia Ali, MDFamily Medicine Physician1700375995
  3. Ryan Applegate, PAPhysician Assistant1568715407
  4. Anna Ballard, PA-CMedical Physician Assistant1205243615
  5. Kristen Barnett, CRNPAdult Health Nurse Practitioner1912324138
  6. Kristin Beseke, MSN, APRN, FNP-BC, CFamily Nurse Practitioner1396277489

Verify Katherine Cupka Demasi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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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Katherine Cupka Demasi among 1,405 adult health nurse practitioner records in California

Katherine Cupka Demasi, CRNP 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 not. Its NPI, issued in 2017, is newer than 73% of them.

  • NPI issued2017 · 73% of these records are older, 23% newer
  • In a Medicare fileNo · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · 31% of these records are
  • Record last updated2022 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

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

  1. Kristen Barnett, CRNPSan Diego, CA 921211912324138
  2. Jasmin ChangSan Diego, CA 921211912309329
  3. Tammy Clemmons, CRNPSan Diego, CA 921211760751010
  4. Rebecka Cooperman, NPSan Diego, CA 921211003147455
  5. Laura Demuth, NPSan Diego, CA 921211437597960
  6. Merissa Ferraro, AGNP-BCSan Diego, CA 921211003248576
  7. Jennifer Kim, NPSan Diego, CA 921211851601819
  8. Joyce Lin, NPSan Diego, CA 921211497187462

Common questions

What is Katherine Cupka Demasi, CRNP's NPI number?

Katherine Cupka Demasi, CRNP's National Provider Identifier (NPI) is 1568997336, issued on Apr 28, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Cupka Demasi, CRNP located?

The NPPES record lists a practice address at 6195 Lusk Blvd Ste 250, San Diego, CA, 92121. Phone: (858) 859-1188. Providers update this record themselves, so call before visiting.

How can I verify Katherine Cupka Demasi, CRNP's license?

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. 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.