MISS KAREN E MATSUKUMA MD, PHD
NPI 1275716219
Pathology - Anatomic Pathology & Clinical Pathology in Sacramento, CA
About Miss Karen E Matsukuma Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MISS KAREN E MATSUKUMA MD, PHD (NPI 1275716219) is an individual anatomic pathology & clinical pathology provider in Sacramento, California, licensed in California (A105075) and active in the NPI registry since December 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses
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
Miss Karen E Matsukuma Md, Phd 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 Matsukuma reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sacramento, CA 95817
- Reassigned Medicare billing, California enrollment
- 2,570 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.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95817 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
SACRAMENTO, CA 95817
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 Matsukuma's NPI number?
The NPI number for Karen Matsukuma is 1275716219. It was assigned to this individual provider in the NPPES registry on December 13, 2007.
Where is Karen Matsukuma located?
Karen Matsukuma practices at 4400 V St, Sacramento, CA 95817. The listed phone number is (916) 734-2525.
What is Karen Matsukuma's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Karen Matsukuma enrolled in Medicare?
Yes. Karen Matsukuma 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 Matsukuma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Matsukuma reassigns Medicare benefits to Regents Of The Univ Of Ca (Sacramento, 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 Matsukuma'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 Matsukuma was last updated on May 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Miss Karen E Matsukuma, MD, PHD · NPI 1275716219
Anatomic Pathology & Clinical Pathology physician in Sacramento, California. Individual provider, active in the CMS NPPES registry since December 13, 2007.
## Identity
- **NPI:** 1275716219 (Entity type: Individual)
- **Enumerated:** December 13, 2007
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** A105075 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4400 V ST, Sacramento, CA 95817-1445
- **Phone:** (916) 734-2525 · **Fax:** (916) 734-2560
## 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:** Regents Of The Univ Of Ca (NPI 1013906973, Sacramento, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 2007
## Record status
- **NPPES last updated:** May 20, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1275716219) · Data from the CMS NPPES public registry.