Dr. Karin D. Kerk, MD
- Part D claims, 2024
- 4,241
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2010
- Practice address
- 652 Petaluma Avenue, Suite C, Sebastopol, CA 95472
- Practice phone
- Call (707) 869-5777
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gravenstein Community Health Center - Sebastopol
FQHC - Main Site · Sebastopol, California
Find Dr. Kerk'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.
Dr. Karin D. Kerk is an internist in Sebastopol, California
Dr. Kerk practices at Gravenstein Community Health Center - Sebastopol in Sebastopol, California.
Dr. Kerk's NPI, 1871817536, was assigned on March 23, 2010. Dr. Kerk graduated from Howard University College of Medicine in 2007. Dr. Kerk holds California license A108988.
- NPI
- 1871817536NPI Registry (opens in a new tab)
- NPI enumeration date
- March 23, 2010
- NPI status
- Active
- Practice phone
- (707) 869-5777
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Karin D. Kerk practices at Gravenstein Community Health Center - Sebastopol in Sebastopol, California
Dr. Kerk's primary practice is Gravenstein Community Health Center - Sebastopol, at 652 Petaluma Avenue, Suite C, Sebastopol, CA 95472 in Sonoma County. The practice phone is (707) 869-5777.
- Gravenstein Community Health Center - Sebastopol652 Petaluma Avenue, Suite C, Sebastopol, CA 95472 · Sonoma CountyPhone(707) 869-5777
Source: Dmand AI Affiliation Data
Dr. Karin D. Kerk is affiliated with 2 sites of care and 2 medical groups
Dr. Kerk's primary practice is Gravenstein Community Health Center - Sebastopol in Sebastopol, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Kerk to 1 more group practice or clinic and 1 medical group, each named with a free account. Dr. Kerk's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karin D. Kerk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kerk practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gravenstein Community Health Center - Sebastopol | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karin D. Kerk is one of 16,751 internists in California
Internal medicine is Dr. Kerk's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kerk is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Kerk
Counts of internists 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
Dr. Karin D. Kerk's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Kerk's median patient age at 61, with 66% women.
Dr. Kerk's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women66%
- Men32%
Source: Dmand AI Patient Panel Data
Dr. Karin D. Kerk wrote 4,241 Medicare Part D claims in 2024
In 2024, Dr. Kerk wrote 4,241 Medicare Part D claims for 980 patients. 90% of them were for generic drugs. CMS names the drug for 3,599 of them, across 76 drugs with 11 or more claims each, at $91,437 in total drug cost. In 2023, CMS named 2,904 claims across 67 drugs.
Dr. Kerk's Part D claims by kind of drug, 2024
- Generic3,808 claims90%
- Brand-name413 claims10%
- Other20 claims0%
Dr. Kerk'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 Dr. Kerk's Part D claims, 2024
- Opioids5%201 of 4,241 claims
- Antibiotics2%96 of 4,241 claims
- Antipsychotics, patients 65 and over0%21 of 4,241 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,9042024: 3,59924%
Drugs named by CMS: 76 in 2024, 67 in 2023.
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
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Dr. Karin D. Kerk graduated from Howard University College of Medicine
Dr. Kerk graduated from Howard University College of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karin D. Kerk'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Karin D. Kerk
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Karin D. Kerk's NPI number?
Dr. Karin D. Kerk's NPI number is 1871817536. It was assigned on March 23, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Karin D. Kerk?
Dr. Karin D. Kerk is an internist in Sebastopol, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Karin D. Kerk practice?
Dr. Kerk practices at 652 Petaluma Avenue, Suite C, Sebastopol, CA 95472. Dr. Kerk's primary practice is Gravenstein Community Health Center - Sebastopol in Sebastopol, California. Dmand AI also links Dr. Kerk to 1 group practice or clinic and 1 medical group.
What is Dr. Karin D. Kerk's office phone number?
The practice phone on file for Dr. Kerk is (707) 869-5777.
What is Dr. Karin D. Kerk's medical license number?
Dr. Kerk holds California license A108988.
What medical group is Dr. Karin D. Kerk part of?
Dr. Kerk is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Kerk to 1 more medical group.
Where did Dr. Karin D. Kerk go to medical school?
Dr. Kerk graduated from Howard University College of Medicine in 2007.
What drugs does Dr. Karin D. Kerk prescribe most?
In 2024 Medicare Part D data, Dr. Kerk's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
How long has Dr. Karin D. Kerk been practicing?
Dr. Kerk graduated from medical school in 2007, 19 years ago.
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