MARIA KRISTINA GROTZ CRNP
NPI 1972634806
Registered Nurse - Psychiatric/Mental Health, Adult in Orleans, MA

Active since March 09, 2007PECOS EnrolledAccepts Medicare Assignment
8 NELLS WAY, ORLEANS, MA 02653(917) 647-7779 Get Directions Write a Review

NPPES record last updated: October 8, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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

NPI1972634806
Entity TypeIndividualFemale
Primary Taxonomy163WP0809X
Provider Legal NameMARIA KRISTINA GROTZCredential: CRNP
Location Address8 NELLS WAYOrleans, MA 02653-3927
Mailing AddressPo Box 26South Chatham, MA 02659-0026 · (917) 647-7779
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Columbia School Of MedicineGraduated 2001
Enumeration DateMarch 9, 2007
Last NPPES UpdateOctober 8, 2025
NPPES CertifiedOctober 8, 2025
✔ NPI 1972634806 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRegistered Nurse · Psychiatric/Mental Health, AdultNursing Service Providers
Taxonomy Code163WP0809X
License✔ Licensed in MA · RN259320
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License RN259320 (MA)
8 NELLS WAY, Orleans, MA 02653

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.

PECOS PAC ID6204995699
PECOS Enrollment IDI20120801000181
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

3

Medicare 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.

Internal Medicine
100 TER HEUN DR
Falmouth, MA 02540
  • Reassigned Medicare billing, Massachusetts enrollment
  • 238 clinicians in this Medicare group
General Acute Care Hospital
43 HIGH ST
Wareham, MA 02571
  • Reassigned Medicare billing, Massachusetts enrollment
  • 163 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
111 EDGARTOWN RD
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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
117 services24 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
97 services23 patients

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, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220012
Location27 Park StreetHyannis, MA 02601 · Barnstable County
Emergency services Birthing friendly

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 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.