Christian Witherell, PMHNP-BC - Medicare Nurse Practitioner in Southold, NY

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Christian Witherell, PMHNP-BC is a medicare enrolled "Nurse Practitioner - Psychiatric/mental Health" in Southold, New York. He graduated from nursing school in 2022 and has 3 years of diverse experience with area of expertise as Nurse Practitioner. He is a member of the group practice Stony Brook Psychiatric Associates University Faculty Practice Corpor and his current practice location is 19995 Soundview Ave, Southold, New York. You can reach out to his office (for appointments etc.) via phone at (631) 335-5541.

Christian Witherell is licensed to practice in New York (license number 404304) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1144948175.

Contact Information

Christian Witherell, PMHNP-BC
19995 Soundview Ave,
Southold, NY 11971-2820
(631) 335-5541
(631) 939-2006

Map and Direction




Provider's Profile

Full NameChristian Witherell
GenderMale
SpecialityNurse Practitioner
Experience3 Years
Location19995 Soundview Ave, Southold, New York
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Christian Witherell graduated from nursing school in 2022
  NPI Data:
  • NPI Number: 1144948175
  • Provider Enumeration Date: 08/16/2022
  • Last Update Date: 04/15/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 8325417918
  • Enrollment ID: I20221202000956

Medical Identifiers

Medical identifiers for Christian Witherell such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144948175NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP0808XNurse Practitioner - Psychiatric/mental Health 404304 (New York)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. Christian Witherell allows following entities to bill medicare on his behalf.
Entity NameStony Brook Psychiatric Associates University Faculty Practice Corpor
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437105905
PECOS PAC ID: 7315836731
Enrollment ID: O20040313000174
Entity NameChristian Witherell Np In Psychiatry Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376314690
PECOS PAC ID: 1951846971
Enrollment ID: O20240715002799

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. Christian Witherell 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
Christian Witherell, PMHNP-BC
19995 Soundview Ave,
Southold, NY 11971-2820

Ph: () -		Christian Witherell, PMHNP-BC
19995 Soundview Ave,
Southold, NY 11971-2820

Ph: (631) 335-5541

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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