Carolyn Ruth Chase, NP, RN

  • Petaluma, CA
  • Family nurse practitioner
NPI1811024599PAC ID3678755592
Part D claims, 2024
1,717
MIPS score, 2024
92
Hospital affiliations
3
Medical groups
2
State license
1
Practice address
1455 N McDowell Blvd, Petaluma, CA 94954
Practice phone
Call (415) 663-8666
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Point Reyes Medical Clinic

Petaluma, California

See all 8 affiliations

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Carolyn Ruth Chase is a family nurse practitioner in Petaluma, California

Carolyn Chase practices at Point Reyes Medical Clinic in Petaluma, California.

Carolyn Chase's NPI, 1811024599, was assigned on February 28, 2007. Carolyn Chase holds California license 9465.

NPI and contact details
Medicare PAC ID
3678755592
NPI enumeration date
February 28, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(415) 663-8666
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
55
Medical school graduation
1997

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Carolyn Ruth Chase practices at Point Reyes Medical Clinic in Petaluma, California

Carolyn Chase's primary practice is Point Reyes Medical Clinic, at 1455 N McDowell Blvd, Petaluma, CA 94954 in Sonoma County. The practice phone is (415) 663-8666.

  • Point Reyes Medical Clinic
    1455 N McDowell Blvd, Petaluma, CA 94954 · Sonoma CountyPhone(415) 663-8666

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Carolyn Ruth Chase is affiliated with 6 sites of care and 2 medical groups

Carolyn Chase's primary practice is Point Reyes Medical Clinic in Petaluma, California. Carolyn Chase is also affiliated with Petaluma Valley Hospital. The medical group on file is Petaluma Health Center. Dmand AI also links Carolyn Chase to 2 more hospitals, 1 community health center, 1 home health agency and 1 medical group, each named with a free account.

See all 8 affiliations for Carolyn Chase

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Carolyn Ruth Chase's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Carolyn Chase practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Point Reyes Medical ClinicAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Carolyn Ruth Chase is one of 13,532 family nurse practitioners in California

Family is Carolyn Chase's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Carolyn Chase is licensed in California.

Specialties and state licenses

  • Family nurse practitioner, CaliforniaPrimaryLicense 9465 · taxonomy 363LF0000X

Family nurse practitioners near Carolyn Chase

Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Carolyn Ruth Chase's patients have a median age of 73

Across all payers, Dmand AI patient panel data puts Carolyn Chase's median patient age at 73, with 64% women.

Carolyn Chase's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women64%
  • Men35%

Source: Dmand AI Patient Panel Data

Carolyn Ruth Chase wrote 1,717 Medicare Part D claims in 2024

In 2024, Carolyn Chase wrote 1,717 Medicare Part D claims for 190 patients. 85% of them were for generic drugs. CMS names the drug for 1,155 of them, across 48 drugs with 11 or more claims each, at $83,195 in total drug cost.

Part D claims, 20241,717
Drugs named by CMS48
Total drug cost$83,195
Part D patients190

Carolyn Chase's Part D claims by kind of drug, 2024

  • Generic1,456 claims85%
  • Brand-name232 claims14%
  • Other29 claims2%

Carolyn Chase's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Carolyn Chase's Part D claims, 2024

  • Opioids6%97 of 1,717 claims
  • Antibiotics4%76 of 1,717 claims
  • Antipsychotics, patients 65 and over2%30 of 1,717 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Carolyn Chase

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Carolyn Ruth Chase scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Carolyn Chase for performance year 2024, reported as part of a group. Carolyn Chase accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Carolyn Chase's MIPS scores, performance year 2024

  • 92of 100Final score
  • 81.9of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Sources for Carolyn Ruth Chase's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Carolyn Ruth Chase

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Carolyn Ruth Chase's NPI number?

Carolyn Ruth Chase's NPI number is 1811024599. It was assigned on February 28, 2007, and it is active in the NPI Registry.

What does Carolyn Ruth Chase specialize in?

Carolyn Ruth Chase is a family nurse practitioner in Petaluma, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).

Where does Carolyn Ruth Chase practice?

Carolyn Chase practices at 1455 N McDowell Blvd, Petaluma, CA 94954. Carolyn Chase's primary practice is Point Reyes Medical Clinic in Petaluma, California. Dmand AI also links Carolyn Chase to 2 hospitals, 1 community health center, 1 home health agency and 1 medical group.

What is Carolyn Ruth Chase's office phone number?

The practice phone on file for Carolyn Chase is (415) 663-8666.

What is Carolyn Ruth Chase's medical license number?

Carolyn Chase holds California license 9465.

Which hospitals is Carolyn Ruth Chase affiliated with?

Carolyn Chase is affiliated with Petaluma Valley Hospital. Dmand AI links Carolyn Chase to 2 more hospitals.

What medical group is Carolyn Ruth Chase part of?

Carolyn Chase is linked to Petaluma Health Center. Dmand AI links Carolyn Chase to 1 more medical group.

Does Carolyn Ruth Chase accept Medicare?

Yes. CMS lists Carolyn Chase as accepting Medicare assignment.

What is Carolyn Ruth Chase's MIPS score?

Carolyn Chase's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.

What drugs does Carolyn Ruth Chase prescribe most?

In 2024 Medicare Part D data, Carolyn Chase's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.

How long has Carolyn Ruth Chase been practicing?

Carolyn Chase graduated from medical school in 1997, 29 years ago.

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