Katherine Marie Pfeiffer, CNS, NP - Medicare Nurse Practitioner in New Haven, CT

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Katherine Marie Pfeiffer, CNS, NP is a medicare enrolled "Nurse Practitioner - Psychiatric/mental Health" in New Haven, Connecticut. Her current practice location is 437 Orange St, New Haven, Connecticut. You can reach out to her office (for appointments etc.) via phone at (203) 909-6370.

Katherine Marie Pfeiffer is licensed to practice in Connecticut (license number 13222) 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 1356676423.

Contact Information

Katherine Marie Pfeiffer, CNS, NP
437 Orange St,
New Haven, CT 06511-6205
(203) 909-6370
Not Available

Map and Direction




Provider's Profile

Full NameKatherine Marie Pfeiffer
GenderFemale
SpecialityNurse Practitioner - Psychiatric/mental Health
Location437 Orange St, New Haven, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1356676423
  • Provider Enumeration Date: 10/07/2009
  • Last Update Date: 05/09/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 1850439829
  • Enrollment ID: I20250331000228

Medical Identifiers

Medical identifiers for Katherine Marie Pfeiffer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1356676423NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP0808XNurse Practitioner - Psychiatric/mental Health 13222 (Connecticut)Primary
364SP0809XClinical Nurse Specialist - Psychiatric/mental Health, Adult 13222 (Connecticut)Secondary

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. Katherine Marie Pfeiffer allows following entities to bill medicare on her behalf.
Entity NameIntegral Health Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1427227321
PECOS PAC ID: 3476966607
Enrollment ID: O20210108000006

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. Katherine Marie Pfeiffer 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
Katherine Marie Pfeiffer, CNS, NP
437 Orange St,
New Haven, CT 06511-6205

Ph: (203) 909-6370		Katherine Marie Pfeiffer, CNS, NP
437 Orange St,
New Haven, CT 06511-6205

Ph: (203) 909-6370

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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