Ann C. Larocca
Family Nurse Practitioner · Clearlake, CA
Ann C. Larocca is a family nurse practitioner with a practice address in Clearlake, California, and NPI 1306149240, issued on Dec 15, 2010. Check the license (California 296025, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ann C. Larocca
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 296025 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15230 Lakeshore Dr, Clearlake, CA 95422
- Phone
- (707) 995-4500
- Enumerated
- Dec 15, 2010
- Record last updated
- Feb 8, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200113002412); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 15230 Lakeshore Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Pari Azari, M.D.Interventional Pain Medicine Physician1942442132
- Arthur Bikangaga, MDSurgery Physician1952319030
- Jerylyn Bohlender, LCSWClinical Social Worker1750782488
- Daniel Boucher, MDFamily Medicine Physician1164115549
Verify Ann C. Larocca in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 296025Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family nurse practitioner in 2024
2,858 Medicare Part D claims for 194 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium201 claims
- Atorvastatin Calcium188 claims
- Amlodipine Besylate151 claims
- Albuterol Sulfate Hfa139 claims
- Omeprazole137 claims
- Lisinopril116 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.
Bills Medicare through one group practice
- Adventist Health Clearlake Hospital Inc.Clearlake, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann C. Larocca among 16,966 family nurse practitioner records in California
Ann C. Larocca is one of 16,966 family nurse practitioner records with a practice address in California. 67% 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 17% of them.
- NPI issued2010 · 17% of these records are older, 81% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2010 · median 2019 among the 6,793 with a school on file
- Record last updated2017 · 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 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 family nurse practitioner records list a practice address in Clearlake
They are 8 of the 321 NPPES records with a practice address in Clearlake, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Clearlake → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ciaran Carroll, FNP, MSNClearlake, CA 954221720597339
- Martina Cordova, FNPClearlake, CA 954221114793643
- Stephenie Hargrove, NPClearlake, CA 954221053927608
- Olatunde OwoeyeClearlake, CA 954221487165817
- Julie Payette, FNPClearlake, CA 954221902066764
- Katherine Willems, FNPClearlake, CA 954221134393069
- Dwayne Yee, FNP-BCClearlake, CA 954221891422416
- Aura PalmaClearlake Oaks, CA 954231699227595
Common questions
What is Ann C. Larocca's NPI number?
Ann C. Larocca's National Provider Identifier (NPI) is 1306149240, issued on Dec 15, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ann C. Larocca located?
The NPPES record lists a practice address at 15230 Lakeshore Dr, Clearlake, CA, 95422. Phone: (707) 995-4500. Providers update this record themselves, so call before visiting.
How can I verify Ann C. Larocca's license?
NPPES lists California license number 296025, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ann C. Larocca prescribe under Medicare Part D?
In 2024, Ann C. Larocca had 2,858 Medicare Part D claims for 194 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.