Crystl D Willison, MD - Medicare Neurosurgery in New Market, VA

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Crystl D Willison, MD is a medicare enrolled "Neurological Surgery" physician in New Market, Virginia. She went to West Virginia University School Of Medicine and graduated in 1987 and has 37 years of diverse experience with area of expertise as Neurosurgery. She is a member of the group practice Shenandoah Memorial Hospital, Inc. and her current practice location is 9166 N Congress St, New Market, Virginia. You can reach out to her office (for appointments etc.) via phone at (540) 459-1340.

Crystl D Willison is licensed to practice in Virginia (license number 0101230904) 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 1205897915.

Contact Information

Crystl D Willison, MD
9166 N Congress St,
New Market, VA 22844-9422
(540) 459-1340
(540) 459-1349

Map and Direction




Physician's Profile

Full NameCrystl D Willison
GenderFemale
SpecialityNeurosurgery
Experience37 Years
Location9166 N Congress St, New Market, Virginia
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:
  • Crystl D Willison attended and graduated from West Virginia University School Of Medicine in 1987
  NPI Data:
  • NPI Number: 1205897915
  • Provider Enumeration Date: 03/31/2006
  • Last Update Date: 07/28/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3971497371
  • Enrollment ID: I20081121000521

Medical Identifiers

Medical identifiers for Crystl D Willison such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205897915NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery 0101230904 (Virginia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Shenandoah Memorial HospitalWoodstock, VAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Shenandoah Memorial Hospital, Inc.246636037541

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. Crystl D Willison allows following entities to bill medicare on her behalf.
Entity NameShenandoah Memorial Hospital, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952417735
PECOS PAC ID: 2466360375
Enrollment ID: O20040115001156
Entity NameValley Physician Enterprise Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538316203
PECOS PAC ID: 9931268091
Enrollment ID: O20081104000278
Entity NameShenandoah Memorial Hospital, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407357015
PECOS PAC ID: 2466360375
Enrollment ID: O20180430001662

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. Crystl D Willison 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
Crystl D Willison, MD
220 Campus Blvd Ste 210,
Winchester, VA 22601-2889

Ph: (540) 536-5100		Crystl D Willison, MD
9166 N Congress St,
New Market, VA 22844-9422

Ph: (540) 459-1340

Reviews and Comments


Neurological Surgery Doctors in New Market, VA


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.