William Wei, - Medicare Anesthesiologist Assistant in Washington, DC

William Wei, is a medicare enrolled "Anesthesiologist Assistant" in Washington, District Of Columbia. His current practice location is 110 Irving St Nw, Washington, District Of Columbia. You can reach out to his office (for appointments etc.) via phone at (202) 877-7783.

William Wei is licensed to practice in District Of Columbia (license number AA2000039) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1235827585.

Contact Information

William Wei,
110 Irving St Nw,
Washington, DC 20010-3017
(202) 877-7783
Not Available

Map and Direction




Provider's Profile

Full NameWilliam Wei
GenderMale
SpecialityAnesthesiologist Assistant
Location110 Irving St Nw, Washington, District Of Columbia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1235827585
  • Provider Enumeration Date: 04/25/2023
  • Last Update Date: 07/17/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2668827775
  • Enrollment ID: I20231010001762

Medical Identifiers

Medical identifiers for William Wei such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235827585NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
367H00000XAnesthesiologist Assistant AA2000039 (District Of Columbia)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. William Wei allows following entities to bill medicare on his behalf.
Entity NameMedstar Medical Group Anesthesiology Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528578333
PECOS PAC ID: 1052678034
Enrollment ID: O20171129001837

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. William Wei 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
William Wei,
6 Duval Ct,
Newtown, PA 18940-1325

Ph: () -
William Wei,
110 Irving St Nw,
Washington, DC 20010-3017

Ph: (202) 877-7783

Reviews and Comments


Anesthesiologist Assistant Nurses in Washington, DC

Alexandra Megan Fine, CAA
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 110 Irving St Nw, Washington, DC 20010
Phone: 202-877-7000    
Alexa Aramini,
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 110 Irving St Nw, Washington, DC 20010
Phone: 202-877-3303    
Shelby Fullen, CAA
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 110 Irving St Nw, Washington, DC 20010
Phone: 202-877-7000    
Domenic Derobertis, CAA
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 1150 Varnum St Ne, Washington, DC 20017
Phone: 202-854-7000    
Timothy Olukanni,
Anesthesiologist Assistant
Medicare: Medicare Enrolled
Practice Location: 900 23rd St Nw, Washington, DC 20037
Phone: 202-715-4000    
Kanchanish Kaur, AA
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 110 Irving St Nw, Washington, DC 20010
Phone: 202-877-9418    
Elizabeth Stephenson, AA
Anesthesiologist Assistant
Medicare: Accepting Medicare Assignments
Practice Location: 110 Irving St Nw, Washington, DC 20010
Phone: 202-877-7000    

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.