Peter Alan Sim, MD, FACEP - Medicare Emergency Medicine in Williamsburg, VA

Peter Alan Sim, MD, FACEP is a medicare enrolled "Emergency Medicine" physician in Williamsburg, Virginia. His current practice location is 4374 New Town Ave, Suite 100, Williamsburg, Virginia. You can reach out to his office (for appointments etc.) via phone at (757) 259-1900.

Peter Alan Sim is licensed to practice in Virginia (license number 0101025382) 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 1588855514.

Contact Information

Peter Alan Sim, MD, FACEP
4374 New Town Ave, Suite 100,
Williamsburg, VA 23188-2688
(757) 259-1900
(757) 259-1901

Map and Direction




Physician's Profile

Full NamePeter Alan Sim
GenderMale
SpecialityEmergency Medicine
Location4374 New Town Ave, Williamsburg, Virginia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1588855514
  • Provider Enumeration Date: 08/06/2007
  • Last Update Date: 03/28/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 2769441526
  • Enrollment ID: I20041007000164

Medical Identifiers

Medical identifiers for Peter Alan Sim such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588855514NPI-NPPES
1588855514MedicaidVA
P00907006OtherVARAILROAD MCR

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 2005-01068 (North Carolina)Secondary
207P00000XEmergency Medicine 0101025382 (Virginia)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. Peter Alan Sim allows following entities to bill medicare on his behalf.
Entity NameRiverside Physician Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194929026
PECOS PAC ID: 5092608448
Enrollment ID: O20040207000400

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. Peter Alan Sim 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
Peter Alan Sim, MD, FACEP
4374 New Town Ave, Suite 100,
Williamsburg, VA 23188-2865

Ph: (757) 259-1900
Peter Alan Sim, MD, FACEP
4374 New Town Ave, Suite 100,
Williamsburg, VA 23188-2688

Ph: (757) 259-1900

Reviews and Comments


Emergency Medicine Doctors in Williamsburg, VA

Dr. Stephen Grimes, MD
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Medicare: Medicare Enrolled
Practice Location: 301 Monticello Ave, Williamsburg, VA 23185
Phone: 757-259-6000    
Thomas Camp, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 100 Sentara Cir, Williamsburg, VA 23188
Phone: 757-984-6000    
David I Cohen, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1500 Commonwealth Ave, Williamsburg, VA 23185
Phone: 757-585-2250    Fax: 757-903-2285
Samuel Anthony John Tabacchi, DO
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Medicare: Accepting Medicare Assignments
Practice Location: 1500 Commonwealth Ave, Williamsburg, VA 23185
Phone: 757-585-2000    
Dr. Karen Link, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 301 Monticello Ave, Williamsburg, VA 23185
Phone: 757-259-6000    
Dr. David P Johnson, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1500 Commonwealth Ave, Williamsburg, VA 23185
Phone: 757-585-2250    Fax: 757-903-2285
Dr. Shannon M Mcdonnell, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 100 Sentara Circle, Williamsburg, VA 23188
Phone: 757-984-6000    

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.