DR. JOSEPHINE AGUILAR-JAKTHONG MD
NPI 1710249693
Pathology - Anatomic Pathology & Clinical Pathology in Grass Valley, CA
About Dr. Josephine Aguilar-jakthong Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPHINE AGUILAR-JAKTHONG MD (NPI 1710249693) is an individual anatomic pathology & clinical pathology provider in Grass Valley, California, licensed in California (A140238) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Josephine Aguilar-jakthong Md 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 Reassignments
2Medicare enrollment records show Josephine Aguilar-jakthong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grass Valley, CA 95945
- Reassigned Medicare billing, California enrollment
- 7 clinicians in this Medicare group
Manteca, CA 95336
- Reassigned Medicare billing, California enrollment
- 488 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 4
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 95945 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.
GRASS VALLEY, CA 95945
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 Josephine Aguilar-jakthong's NPI number?
The NPI number for Josephine Aguilar-jakthong is 1710249693. It was assigned to this individual provider in the NPPES registry on June 15, 2012.
Where is Josephine Aguilar-jakthong located?
Josephine Aguilar-jakthong practices at 155 Glasson Way, Grass Valley, CA 95945. The listed phone number is (530) 274-6000.
What is Josephine Aguilar-jakthong's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Josephine Aguilar-jakthong enrolled in Medicare?
Yes. Josephine Aguilar-jakthong 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 organizations bill Medicare for Josephine Aguilar-jakthong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Josephine Aguilar-jakthong reassigns Medicare benefits to 2 organizations: Sierra Nevada Gastroenterology Medical Associates, Inc. (Grass Valley, CA) and First Choice Physician Partners (Manteca, CA). Each 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 Josephine Aguilar-jakthong'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 Josephine Aguilar-jakthong was last updated on August 4, 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.
# Dr. Josephine Aguilar-Jakthong, MD · NPI 1710249693
Anatomic Pathology & Clinical Pathology physician in Grass Valley, California. Individual provider, active in the CMS NPPES registry since June 15, 2012.
## Identity
- **NPI:** 1710249693 (Entity type: Individual)
- **Enumerated:** June 15, 2012
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** A140238 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 155 GLASSON WAY, Grass Valley, CA 95945-5723
- **Phone:** (530) 274-6000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Sierra Nevada Gastroenterology Medical Associates, Inc. (NPI 1407928641, Grass Valley, CA); First Choice Physician Partners (NPI 1760724637, Manteca, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** August 4, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1710249693) · Data from the CMS NPPES public registry.