Ms Barbara Ann Karrer, RN, MS, CNNP - Medicare Nurse Practitioner in Detroit, MI

Ms Barbara Ann Karrer, RN, MS, CNNP is a medicare enrolled "Nurse Practitioner - Neonatal, Critical Care" in Detroit, Michigan. Her current practice location is 2799 W Grand Blvd, Detroit, Michigan. You can reach out to her office (for appointments etc.) via phone at (313) 916-3146.

Ms Barbara Ann Karrer is licensed to practice in Michigan (license number 4704121953) 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 1386720357.

Contact Information

Ms Barbara Ann Karrer, RN, MS, CNNP
2799 W Grand Blvd,
Detroit, MI 48202-2608
(313) 916-3146
(313) 916-9485

Map and Direction




Provider's Profile

Full NameMs Barbara Ann Karrer
GenderFemale
SpecialityNurse Practitioner - Neonatal, Critical Care
Location2799 W Grand Blvd, Detroit, Michigan
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1386720357
  • Provider Enumeration Date: 10/31/2006
  • Last Update Date: 03/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6406923895
  • Enrollment ID: I20080926000475

Medical Identifiers

Medical identifiers for Ms Barbara Ann Karrer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1386720357NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LN0005XNurse Practitioner - Neonatal, Critical Care 4704121953 (Michigan)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. Ms Barbara Ann Karrer allows following entities to bill medicare on her behalf.
Entity NameHenry Ford Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104900455
PECOS PAC ID: 0547178311
Enrollment ID: O20031210000341
Entity NameHenry Ford Macomb Hospital Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952440521
PECOS PAC ID: 7911808381
Enrollment ID: O20040617000651

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. Ms Barbara Ann Karrer 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
Ms Barbara Ann Karrer, RN, MS, CNNP
15085 Riverside Street,
Livonia, MI 48154

Ph: (313) 916-0467
Ms Barbara Ann Karrer, RN, MS, CNNP
2799 W Grand Blvd,
Detroit, MI 48202-2608

Ph: (313) 916-3146

Reviews and Comments


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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).

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