MRS. KRISTEN GRANDMAISON P.A.
NPI 1891199022
Physician Assistant in Somerset, NJ
About Mrs. Kristen Grandmaison P.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KRISTEN GRANDMAISON P.A. (NPI 1891199022) is an individual physician assistant in Somerset, New Jersey, licensed in New Jersey (25MP00348000) and active in the NPI registry since October 2014. She is enrolled in Medicare PECOS and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mrs. Kristen Grandmaison P.a. 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 08873 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Kristen Grandmaison's NPI number?
The NPI number for Kristen Grandmaison is 1891199022. It was assigned to this individual provider in the NPPES registry on October 17, 2014.
Where is Kristen Grandmaison located?
Kristen Grandmaison practices at 1543 Nj-27 Suite 21, Somerset, NJ 08873. The listed phone number is (732) 873-6863.
What is Kristen Grandmaison's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Kristen Grandmaison enrolled in Medicare?
Yes. Kristen Grandmaison 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.
When was this NPI record last updated?
The NPPES record for Kristen Grandmaison was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Mrs. Kristen Grandmaison, P.A. · NPI 1891199022
Physician Assistant physician in Somerset, New Jersey. Individual provider, active in the CMS NPPES registry since October 17, 2014.
## Identity
- **NPI:** 1891199022 (Entity type: Individual)
- **Enumerated:** October 17, 2014
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **State license:** 25MP00348000 (New Jersey)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1543 NJ-27, SUITE 21, Somerset, NJ 08873
- **Phone:** (732) 873-6863
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** December 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1891199022) · Data from the CMS NPPES public registry.