KAREN HARRINGTON M.D.
NPI 1053391326
Family Medicine in Aptos, CA
About Karen Harrington M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN HARRINGTON M.D. (NPI 1053391326) is an individual family medicine provider in Aptos, California, licensed in California (A60809) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (1995).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Karen Harrington M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Karen Harrington reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
APTOS, CA 95003
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Karen Harrington's NPI number?
The NPI number for Karen Harrington is 1053391326. It was assigned to this individual provider in the NPPES registry on January 20, 2006. The provider is also known as Karen Graner M.D..
Where is Karen Harrington located?
Karen Harrington practices at 7600 Old Dominion Ct, Aptos, CA 95003. The listed phone number is (831) 458-6200.
What is Karen Harrington's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Karen Harrington enrolled in Medicare?
Yes. Karen Harrington is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Karen Harrington's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Harrington reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Harrington's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Karen Harrington was last updated on January 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Karen Harrington, M.D. · NPI 1053391326
Family Medicine physician in Aptos, California. Individual provider, active in the CMS NPPES registry since January 20, 2006.
## Identity
- **NPI:** 1053391326 (Entity type: Individual)
- **Enumerated:** January 20, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A60809 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 7600 OLD DOMINION CT, Aptos, CA 95003-3821
- **Phone:** (831) 458-6200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 1995
## Record status
- **NPPES last updated:** January 10, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1053391326) · Data from the CMS NPPES public registry.