Holly Ramona Hamm, FNP-C
Family Nurse Practitioner · Gualala, CA
Holly Ramona Hamm, FNP-C is a family nurse practitioner with a practice address in Gualala, California, and NPI 1285416123, issued on Oct 16, 2023. Check the license (California 95026229, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Holly Ramona Hamm
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95026229 CA
Self-reported in NPPES; status is on the state search - Practice location
- 46900 Ocean View Dr, Gualala, CA 95445
- Phone
- (707) 884-4005
- Enumerated
- Oct 16, 2023
- Record last updated
- Oct 16, 2023
- Medicare enrollment
- Enrolled (PECOS I20240124004109); 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 46900 Ocean View Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather BergeronRegistered Nurse1184540817
- Olaf GolubjatnikovFamily Medicine Physician1336900968
Verify Holly Ramona Hamm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95026229Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average family nurse practitioner in 2024
510 Medicare Part D claims for 143 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 35 claims were for opioids.
Most prescribed
- Atorvastatin Calcium31 claims
- Levothyroxine Sodium29 claims
- Estradiol28 claims
- Buprenorphine16 claims
- Lisinopril14 claims
- Losartan Potassium13 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: $18.18
1 payment: food and beverage; the largest payer was Indivior Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Carbon Health Medical Group OF California PCNovato, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Holly Ramona Hamm among 16,966 family nurse practitioner records in California
Holly Ramona Hamm, FNP-C 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 2023, is newer than 75% of them.
- NPI issued2023 · 75% of these records are older, 17% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2023 · median 2019 among the 6,793 with a school on file
- Record last updated2023 · 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).
3 family nurse practitioner records list a practice address in Gualala
They are 3 of the 33 NPPES records with a practice address in Gualala, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Gualala → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Elizabeth Nagle, FNPGualala, CA 954451851379705
- Caithleen Zikorus, N.P.Gualala, CA 954451831494293
- Penelope Applegarth, FNPGuerneville, CA 954461578726139
- Maria Baron, NPGuerneville, CA 954461891319455
- Patricia Cerone, NPGuerneville, CA 954461356178933
- Andrea Ginsberg, NPGuerneville, CA 954461376266163
- Surani Hayre-Kwan, FNPGuerneville, CA 954461134135924
- Jennifer Herman, FNPGuerneville, CA 954461760997308
Common questions
What is Holly Ramona Hamm, FNP-C's NPI number?
Holly Ramona Hamm, FNP-C's National Provider Identifier (NPI) is 1285416123, issued on Oct 16, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Holly Ramona Hamm, FNP-C located?
The NPPES record lists a practice address at 46900 Ocean View Dr, Gualala, CA, 95445. Phone: (707) 884-4005. Providers update this record themselves, so call before visiting.
How can I verify Holly Ramona Hamm, FNP-C's license?
NPPES lists California license number 95026229, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Holly Ramona Hamm, FNP-C prescribe under Medicare Part D?
In 2024, Holly Ramona Hamm, FNP-C had 510 Medicare Part D claims for 143 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.