Caitlin Marie Guinn, APRN, FNP-BC - Medicare Internal Medicine in Scottsdale, AZ

Caitlin Marie Guinn, APRN, FNP-BC is a medicare enrolled "Internal Medicine" in Scottsdale, Arizona. Her current practice location is 8502 E. Princess Dr., Suite 200e, Scottsdale, Arizona. You can reach out to her office (for appointments etc.) via phone at (480) 563-2402.

Caitlin Marie Guinn is licensed to practice in Arizona (license number 239846) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1265064539.

Contact Information

Caitlin Marie Guinn, APRN, FNP-BC
8502 E. Princess Dr., Suite 200e,
Scottsdale, AZ 85255-5489
(480) 563-2402
Not Available

Map and Direction




Provider's Profile

Full NameCaitlin Marie Guinn
GenderFemale
SpecialityInternal Medicine
Location8502 E. Princess Dr., Scottsdale, Arizona
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1265064539
  • Provider Enumeration Date: 02/05/2020
  • Last Update Date: 02/04/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 0244656155
  • Enrollment ID: I20200821001014

Medical Identifiers

Medical identifiers for Caitlin Marie Guinn such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265064539NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163WM0705XRegistered Nurse - Medical-surgical RN209228 (Arizona)Secondary
207QA0505XFamily Medicine - Adult Medicine 239846 (Arizona)Secondary
207RH0002XInternal Medicine - Hospice And Palliative Medicine 239846 (Arizona)Secondary
207R00000XInternal Medicine 239846 (Arizona)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. Caitlin Marie Guinn allows following entities to bill medicare on her behalf.
Entity NameInternal Medicine Physicians Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457364168
PECOS PAC ID: 4284613886
Enrollment ID: O20040716000933
Entity NameSummit Medical Group Arizona Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053810622
PECOS PAC ID: 3173872835
Enrollment ID: O20180814003015

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. Caitlin Marie Guinn 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
Caitlin Marie Guinn, APRN, FNP-BC
345 E Virginia Ave,
Phoenix, AZ 85004-1202

Ph: (602) 258-5545
Caitlin Marie Guinn, APRN, FNP-BC
8502 E. Princess Dr., Suite 200e,
Scottsdale, AZ 85255-5489

Ph: (480) 563-2402

Reviews and Comments



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.