Karen Harrington, M.D.
Family Medicine Physician · Aptos, CA
Karen Harrington, M.D. is a family medicine physician with a practice address in Aptos, California, and NPI 1053391326, issued on Jan 20, 2006. Check the license (California A60809, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karen Harrington
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A60809 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7600 Old Dominion CT, Aptos, CA 95003
- Phone
- (831) 458-6200
- Enumerated
- Jan 20, 2006
- Record last updated
- Jan 10, 2022
- Medicare enrollment
- Enrolled (PECOS I20041220000233); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1995
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 7600 Old Dominion CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Andrews, DOFamily Medicine Physician1669790317
- Nathan Atkinson, MDFamily Medicine Physician1114038064
- Amy Bernardi, FNP-CPrimary Care Nurse Practitioner1881581379
- Robert Clark, MDFamily Medicine Physician1235573460
- Amy Culver, MDFamily Medicine Physician1982617890
- Allison Helms, DOFamily Medicine Physician1881892685
Verify Karen Harrington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A60809Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average family medicine physician in 2024
985 Medicare Part D claims for 286 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Levothyroxine Sodium105 claims
- Alendronate Sodium52 claims
- Gabapentin42 claims
- Trazodone Hcl42 claims
- Atorvastatin Calcium35 claims
- Lisinopril30 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 one group practice
- Permanente Medical Group IncStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Harrington among 17,133 family medicine physician records in California
Karen Harrington, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1995 · median 2005 among the 10,652 with a school on file
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 family medicine physician records list a practice address in Aptos
They are 16 of the 380 NPPES records with a practice address in Aptos, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Aptos → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kenneth Andrews, DOAptos, CA 950031669790317
- Nathan Atkinson, MDAptos, CA 950031114038064
- Amy Culver, MDAptos, CA 950031982617890
- Gary Dolowich, M.D.Aptos, CA 950031194756346
- Steven Ellis, D.O.Aptos, CA 950031841325024
- Salvatore Fratianni, DOAptos, CA 950031649330101
- Judith Garcia, M.D.Aptos, CA 950031962676676
- William Heller, D.O.Aptos, CA 950031053446237
Common questions
What is Karen Harrington, M.D.'s NPI number?
Karen Harrington, M.D.'s National Provider Identifier (NPI) is 1053391326, issued on Jan 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Harrington, M.D. located?
The NPPES record lists a practice address at 7600 Old Dominion CT, Aptos, CA, 95003. Phone: (831) 458-6200. Providers update this record themselves, so call before visiting.
How can I verify Karen Harrington, M.D.'s license?
NPPES lists California license number A60809, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Harrington, M.D. prescribe under Medicare Part D?
In 2024, Karen Harrington, M.D. had 985 Medicare Part D claims for 286 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.