MARIA KRISTINA GROTZ CRNP
NPI 1972634806
Registered Nurse - Psychiatric/Mental Health, Adult in Orleans, MA
About Maria Kristina Grotz Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIA KRISTINA GROTZ CRNP (NPI 1972634806) is an individual psychiatric/mental health, adult provider in Orleans, Massachusetts, licensed in Massachusetts (RN259320) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS, is affiliated with Cape Cod Hospital, and is a graduate of University Of Missouri, Columbia School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses 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
Maria Kristina Grotz 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
3Medicare enrollment records show Maria Grotz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Falmouth, MA 02540
- Reassigned Medicare billing, Massachusetts enrollment
- 238 clinicians in this Medicare group
Wareham, MA 02571
- Reassigned Medicare billing, Massachusetts enrollment
- 163 clinicians in this Medicare group
Oak Bluffs, MA 02557
- Reassigned Medicare billing, Massachusetts enrollment
- 29 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 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cape Cod Hospital
Acute Care Hospitals · Hyannis, MAFrequently 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 Maria Grotz's NPI number?
The NPI number for Maria Grotz is 1972634806. It was assigned to this individual provider in the NPPES registry on March 9, 2007.
Where is Maria Grotz located?
Maria Grotz practices at 8 Nells Way, Orleans, MA 02653. The listed phone number is (917) 647-7779.
What is Maria Grotz's specialty?
The primary specialty registered for this NPI is Registered Nurse, specializing in Psychiatric/Mental Health, Adult, with taxonomy code 163WP0809X.
Is Maria Grotz enrolled in Medicare?
Yes. Maria Grotz 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 Maria Grotz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Grotz reassigns Medicare benefits to 3 organizations: Physicians Of Falmouth Hospital (Falmouth, MA), Southcoast Hospitals Group, Inc (Wareham, MA) and Martha's Vineyard Community Services, Inc. (Oak Bluffs, 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 Maria Grotz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maria Grotz accept?
Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Maria Grotz 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.
Is Maria Grotz affiliated with any hospitals?
According to CMS data, Maria Grotz is affiliated with Cape Cod Hospital.
When was this NPI record last updated?
The NPPES record for Maria Grotz was last updated on October 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.