Carolyn Ruth Chase, RN, NP
Family Nurse Practitioner · Point Reyes Station, CA
Carolyn Ruth Chase, RN, NP is a family nurse practitioner with a practice address in Point Reyes Station, California, and NPI 1811024599, issued on Feb 28, 2007. Check the license (California 9465, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carolyn Ruth Chase
- Credential
- RN, NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 9465 CA
515250 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3 Sixth St., Point Reyes Station, CA 94956
- Phone
- (707) 559-7500
- Enumerated
- Feb 28, 2007
- Record last updated
- Dec 4, 2024
- Fax
- (707) 559-7707
- Medicare enrollment
- Enrolled (PECOS I20110314000263); 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 3 Sixth St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelsey PhelpsFamily Medicine Physician1336405083
- Diane Wrona, PACPhysician Assistant1538112479
Verify Carolyn Ruth Chase in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 9465Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average family nurse practitioner in 2024
1,717 Medicare Part D claims for 190 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 97 claims were for opioids.
Most prescribed
- Atorvastatin Calcium122 claims
- Levothyroxine Sodium57 claims
- Lisinopril54 claims
- Losartan Potassium50 claims
- Gabapentin49 claims
- Amlodipine Besylate44 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 2 group practices
- Coastal Health AlliancePoint Reyes Station, CA
- Petaluma Health Center IncPetaluma, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carolyn Ruth Chase among 16,966 family nurse practitioner records in California
Carolyn Ruth Chase, RN, NP 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 2007, is newer than 7% of them.
- NPI issued2007 · 7% of these records are older, 87% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated1997 · median 2019 among the 6,793 with a school on file
- Record last updated2024 · 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).
4 family nurse practitioner records list a practice address in Point Reyes Station
They are 4 of the 38 NPPES records with a practice address in Point Reyes Station, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Point Reyes Station → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Mary Clark, FNP, CNMPoint Reyes, CA 949561598918690
- Martha Frankel, R.N., F.N.P., M.F.C.Point Reyes Station, CA 949561811910573
- Cheryl Higgins, NPPoint Reyes Station, CA 949561699833780
- Megan Landeck, NPPoint Reyes Station, CA 949561487199535
- Eileen Stringer, FNPPt Reyes Station, CA 949561053416735
- Miriam Avena-Mascareno, FNP-CPetaluma, CA 949541629797246
- Jasmine Bean, NPPetaluma, CA 949541306566732
- Leanna CastroPetaluma, CA 949541427933530
Common questions
What is Carolyn Ruth Chase, RN, NP's NPI number?
Carolyn Ruth Chase, RN, NP's National Provider Identifier (NPI) is 1811024599, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Carolyn Ruth Chase, RN, NP located?
The NPPES record lists a practice address at 3 Sixth St., Point Reyes Station, CA, 94956. Phone: (707) 559-7500. Providers update this record themselves, so call before visiting.
How can I verify Carolyn Ruth Chase, RN, NP's license?
NPPES lists California license number 9465, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Carolyn Ruth Chase, RN, NP prescribe under Medicare Part D?
In 2024, Carolyn Ruth Chase, RN, NP had 1,717 Medicare Part D claims for 190 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.