KATRINA REISER CRNP
NPI 1649609736
Nurse Practitioner - Primary Care in Boston, MA
About Katrina Reiser Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATRINA REISER CRNP (NPI 1649609736) is an individual primary care provider in Boston, Massachusetts, licensed in Massachusetts (RN2311806) and active in the NPI registry since November 2013. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Johns Hopkins University School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
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
Katrina Reiser Crnp 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 Katrina Reiser reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02109
- Reassigned Medicare billing, Massachusetts enrollment
- 350 clinicians in this Medicare group
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- 1,574 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 02118 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 3
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 Katrina Reiser's NPI number?
The NPI number for Katrina Reiser is 1649609736. It was assigned to this individual provider in the NPPES registry on November 8, 2013.
Where is Katrina Reiser located?
Katrina Reiser practices at 394 Harrison Ave, Boston, MA 02118. The listed phone number is (888) 663-6331.
What is Katrina Reiser's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Katrina Reiser enrolled in Medicare?
Yes. Katrina Reiser 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 Katrina Reiser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katrina Reiser reassigns Medicare benefits to 2 organizations: Mass General Brigham Community Physicians Inc. (Boston, MA) and Lahey Clinic, Inc. (Burlington, MA). 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 Katrina Reiser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katrina Reiser accept?
Health plans from Anthem Blue Cross and Blue Shield list Katrina Reiser as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Katrina Reiser was last updated on March 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Katrina Reiser, CRNP · NPI 1649609736
Primary Care physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since November 8, 2013.
## Identity
- **NPI:** 1649609736 (Entity type: Individual)
- **Enumerated:** November 8, 2013
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** RN2311806 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 394 HARRISON AVE, Boston, MA 02118-2212
- **Phone:** (888) 663-6331 · **Fax:** (415) 252-7176
## 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): Mass General Brigham Community Physicians Inc. (NPI 1265094122, Boston, MA); Lahey Clinic, Inc. (NPI 1538194980, Burlington, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** March 14, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1649609736) · Data from the CMS NPPES public registry.