Maria Kristina Grotz, CRNP - Medicare Nurse Practitioner in Orleans, MA

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Maria Kristina Grotz, CRNP is a medicare enrolled "Registered Nurse - Psychiatric/mental Health, Adult" in Orleans, Massachusetts. She went to University Of Missouri, Columbia School Of Medicine and graduated in 2001 and has 24 years of diverse experience with area of expertise as Nurse Practitioner. Her current practice location is 8 Nells Way, Orleans, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (917) 647-7779.

Maria Kristina Grotz is licensed to practice in Massachusetts (license number RN259320) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1972634806.

Contact Information

Maria Kristina Grotz, CRNP
8 Nells Way,
Orleans, MA 02653-3927
(917) 647-7779
Not Available

Map and Direction




Provider's Profile

Full NameMaria Kristina Grotz
GenderFemale
SpecialityNurse Practitioner
Experience24 Years
Location8 Nells Way, Orleans, Massachusetts
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Maria Kristina Grotz attended and graduated from University Of Missouri, Columbia School Of Medicine in 2001
  NPI Data:
  • NPI Number: 1972634806
  • Provider Enumeration Date: 03/09/2007
  • Last Update Date: 10/08/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 6204995699
  • Enrollment ID: I20120801000181

Medical Identifiers

Medical identifiers for Maria Kristina Grotz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1972634806NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LA2100XNurse Practitioner - Acute Care RN259320 (Massachusetts)Secondary
163WP0809XRegistered Nurse - Psychiatric/mental Health, Adult RN259320 (Massachusetts)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Maria Kristina Grotz allows following entities to bill medicare on her behalf.
Entity NameArbour Elder Services, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720034705
PECOS PAC ID: 0749192656
Enrollment ID: O20040426000111
Entity NameMartha's Vineyard Community Services, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659387074
PECOS PAC ID: 4385552496
Enrollment ID: O20041214000373
Entity NameSouthcoast Hospitals Group, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1306871223
PECOS PAC ID: 1850282310
Enrollment ID: O20041214000621

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Maria Kristina Grotz is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Maria Kristina Grotz, CRNP
Po Box 26,
South Chatham, MA 02659-0026

Ph: (917) 647-7779		Maria Kristina Grotz, CRNP
8 Nells Way,
Orleans, MA 02653-3927

Ph: (917) 647-7779

Reviews and Comments


Registered Nurse Nurses in Orleans, MA

Alexandra Timoshin,
Registered Nurse
Medicare: Not Enrolled in Medicare
Practice Location: 15 Morgans Way, Orleans, MA 02653
Phone: 508-778-0300    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.