Katherine Clarke, CRNP
- Medicare patients, 2024
- 152
- Part D claims, 2024
- 3,121
- Industry payments
- $25
- Affiliated sites
- 2
- Medical groups
- 3
- Practice address
- 2 W Portal Ave, San Francisco, CA 94127
- Practice phone
- Call (415) 578-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
One Medical Group
San Francisco, California
Find Katherine Clarke's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Katherine Clarke is a nurse practitioner in San Francisco, California
Katherine Clarke practices at One Medical Group in San Francisco, California.
Katherine Clarke's NPI, 1659071801, was assigned on March 7, 2023. Katherine Clarke holds California license 95033930.
- NPI
- 1659071801NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123466851
- NPI enumeration date
- March 7, 2023
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (415) 578-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine Clarke practices at One Medical Group in San Francisco, California
Katherine Clarke's primary practice is One Medical Group, at 2 W Portal Ave, San Francisco, CA 94127 in San Francisco County. The practice phone is (415) 578-3100.
- One Medical Group2 W Portal Ave, San Francisco, CA 94127 · San Francisco CountyPhone(415) 578-3100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Katherine Clarke is affiliated with 3 sites of care and 3 medical groups
Katherine Clarke's primary practice is One Medical Group in San Francisco, California. The medical group on file is One Medical. Dmand AI also links Katherine Clarke to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Katherine Clarke's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Clarke practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| One Medical Group | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Katherine Clarke is one of 5,983 nurse practitioners in California
Nurse practitioner is Katherine Clarke's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Katherine Clarke is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Katherine Clarke
Counts of 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
Katherine Clarke treated 152 Medicare patients in 2024, average age 74
CMS counts 152 Medicare patients who saw Katherine Clarke in 2024. The largest group is 65 to 74, with 85 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Katherine Clarke's median patient age at 54, with 59% women.
Katherine Clarke's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Katherine Clarke's Medicare patients by sex, 2024
- Women9965%
- Men5335%
Chronic conditions among Katherine Clarke's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis48%
- Diabetes28%
- Anxiety26%
- Ischemic heart disease26%
- Mood disorders23%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Katherine Clarke's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women59%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Katherine Clarke wrote 3,121 Medicare Part D claims in 2024
In 2024, Katherine Clarke wrote 3,121 Medicare Part D claims for 679 patients. 88% of them were for generic drugs.
Katherine Clarke's Part D claims by kind of drug, 2024
- Generic2,750 claims88%
- Brand-name355 claims11%
- Other16 claims1%
Drug classes CMS tracks in Katherine Clarke's Part D claims, 2024
- Opioids2%50 of 3,121 claims
- Antibiotics5%163 of 3,121 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Katherine Clarke offers telehealth to Medicare patients
CMS lists Katherine Clarke as offering telehealth.
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Katherine Clarke received $25 in industry payments in 2025
CMS Open Payments shows 1 general payment to Katherine Clarke from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Daiichi Sankyo Inc. paid the most, $25.
Companies that paid Katherine Clarke the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Katherine Clarke's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Katherine Clarke
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katherine Clarke's NPI number?
Katherine Clarke's NPI number is 1659071801. It was assigned on March 7, 2023, and it is active in the NPI Registry.
What does Katherine Clarke specialize in?
Katherine Clarke is a nurse practitioner in San Francisco, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Katherine Clarke practice?
Katherine Clarke practices at 2 W Portal Ave, San Francisco, CA 94127. Katherine Clarke's primary practice is One Medical Group in San Francisco, California. Dmand AI also links Katherine Clarke to 2 group practices and clinics and 2 medical groups.
What is Katherine Clarke's office phone number?
The practice phone on file for Katherine Clarke is (415) 578-3100.
What is Katherine Clarke's medical license number?
Katherine Clarke holds California license 95033930.
What medical group is Katherine Clarke part of?
Katherine Clarke is linked to One Medical. Dmand AI links Katherine Clarke to 2 more medical groups.
Does Katherine Clarke offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Katherine Clarke as offering telehealth services.
How many Medicare patients does Katherine Clarke see?
CMS counts 152 Medicare patients who saw Katherine Clarke in 2024, with an average age of 74.
Has Katherine Clarke received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to Katherine Clarke from 1 company from 2025 to 2025. The largest total came from Daiichi Sankyo Inc.
How long has Katherine Clarke been practicing?
Katherine Clarke graduated from medical school in 2022, 4 years ago.
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