Catherine Lomonosoff
Nurse Practitioner · Santa Cruz, CA
Catherine Lomonosoff is a nurse practitioner with a practice address in Santa Cruz, California, and NPI 1386772770, issued on Feb 28, 2007. Check the license (California 352176, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Lomonosoff
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 352176 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1156 High St., Santa Cruz, CA 95064
- Phone
- (831) 459-2869
- Enumerated
- Feb 28, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (831) 459-3546
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 1156 High St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jane Brune, RNRegistered Nurse1144358896
- Diane Lamotte, RPHPharmacist1710013750
Verify Catherine Lomonosoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 352176Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average nurse practitioner in 2024
15 Medicare Part D claims, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Catherine Lomonosoff among 8,223 nurse practitioner records in California
Catherine Lomonosoff is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 73% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2007 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in California
There are 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Santa Cruz → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Julia Langston, NPSanta Cruz, CA 950641578831384
- Amanda BrynerSanta Cruz, CA 950651437798782
- Kathleen DempseySanta Cruz, CA 950651073583811
- Judy Dowd, CNMSanta Cruz, CA 950651477691814
- Dilyana GeorgievaSanta Cruz, CA 950651346679149
- Sloan Larson, NP-CSanta Cruz, CA 950651144988544
- Helena Norris, MSN NPSanta Cruz, CA 950651053483008
- Joshua Siebell, NPSanta Cruz, CA 950651053789784
Common questions
What is Catherine Lomonosoff's NPI number?
Catherine Lomonosoff's National Provider Identifier (NPI) is 1386772770, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Lomonosoff located?
The NPPES record lists a practice address at 1156 High St., Santa Cruz, CA, 95064. Phone: (831) 459-2869. Providers update this record themselves, so call before visiting.
How can I verify Catherine Lomonosoff's license?
NPPES lists California license number 352176, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Lomonosoff prescribe under Medicare Part D?
In 2024, Catherine Lomonosoff had 15 Medicare Part D claims; the average among nurse practitioner prescribers was 1,109. 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.