MRS. MCKENNA GRZEGORSKI AGACNP, RN
NPI 1164363867
Student in an Organized Health Care Education/Training Program in Lebanon, NH

Active since April 06, 2026PECOS Enrolled
1 MEDICAL CENTER DR, LEBANON, NH 03756(603) 650-5000 Get Directions Write a Review

NPPES record last updated: April 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Mckenna Grzegorski Agacnp, Rn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MCKENNA GRZEGORSKI AGACNP, RN (NPI 1164363867) is an individual student in an organized health care education/training program in Lebanon, New Hampshire and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2026).

NPPES Registry Identity

NPI1164363867
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameMRS. MCKENNA GRZEGORSKICredential: AGACNP, RN
Location Address1 MEDICAL CENTER DRLebanon, NH 03756-0001
Mailing Address1 Medical Center DrLebanon, NH 03756-0001 · (603) 650-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2026
Enumeration DateApril 6, 2026
NPPES CertifiedApril 5, 2026
✔ NPI 1164363867 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
1 MEDICAL CENTER DR, Lebanon, NH 03756

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Mckenna Grzegorski Agacnp, Rn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6103384771
PECOS Enrollment IDI20260814002215
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Mckenna Grzegorski reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
1 MEDICAL CENTER DR
Lebanon, NH 03756
  • Reassigned Medicare billing, New Hampshire enrollment
  • 2,620 clinicians in this Medicare group
Internal Medicine
ONE MEDICAL CENTER DR
Lebanon, NH 03756
  • Reassigned Medicare billing, New Hampshire enrollment
  • 2,999 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.

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.

Nurse Practitioner (Family)
1 MEDICAL CENTER DR, DHMC DEPARTMENT OF OCCUPATION MEDICINE
LEBANON, NH 03756
Pharmacist (Oncology)
1 MEDICAL CENTER DR
LEBANON, NH 03756
Internal Medicine
1 MEDICAL CENTER DR, DHMC SECTION OF HOSPITAL MEDICINE
LEBANON, NH 03756
Otolaryngology
1 MEDICAL CENTER DR, OTOLARYNGOLOGY
LEBANON, NH 03756
Colon & Rectal Surgery
1 MEDICAL CENTER DR, COLON & RECTAL SURGERY DEPARTMENT
LEBANON, NH 03756
Student in an Organized Health Care Education/Training Program
1 MEDICAL CENTER DR
LEBANON, NH 03756
Internal Medicine (Cardiovascular Disease)
1 MEDICAL CENTER DR
LEBANON, NH 03756
Student in an Organized Health Care Education/Training Program
1 MEDICAL CENTER DR
LEBANON, NH 03756

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 Mckenna Grzegorski's NPI number?

The NPI number for Mckenna Grzegorski is 1164363867. It was assigned to this individual provider in the NPPES registry on April 6, 2026.

Where is Mckenna Grzegorski located?

Mckenna Grzegorski practices at 1 Medical Center Dr, Lebanon, NH 03756. The listed phone number is (603) 650-5000.

What is Mckenna Grzegorski's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Mckenna Grzegorski enrolled in Medicare?

Yes. Mckenna Grzegorski is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mckenna Grzegorski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mckenna Grzegorski reassigns Medicare benefits to 2 organizations: Mary Hitchcock Memorial Hospital (Lebanon, NH) and Dartmouth-Hitchcock Clinic (Lebanon, NH). 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 Mckenna Grzegorski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mckenna Grzegorski accept?

Health plans from Anthem Blue Cross and Blue Shield list Mckenna Grzegorski 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 Mckenna Grzegorski was last updated on April 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.