Dr Guy Anthony Williams Ii, MD - Medicare Pathology in Baltimore, MD

Dr Guy Anthony Williams Ii, MD is a medicare enrolled "Pathology - Anatomic Pathology & Clinical Pathology" physician in Baltimore, Maryland. He went to Howard University College Of Medicine and graduated in 2019 and has 7 years of diverse experience with area of expertise as Pathology. He is a member of the group practice Brown And Associates Medical Laboratories Llp and his current practice location is 600 N Wolfe St, Baltimore, Maryland. You can reach out to his office (for appointments etc.) via phone at (410) 955-3580.

Dr Guy Anthony Williams Ii is licensed to practice in Maryland (license number D96579) 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 1053978577.

Contact Information

Dr Guy Anthony Williams Ii, MD
600 N Wolfe St,
Baltimore, MD 21287-0005
(410) 955-3580
Not Available

Map and Direction




Physician's Profile

Full NameDr Guy Anthony Williams Ii
GenderMale
SpecialityPathology
Experience7 Years
Location600 N Wolfe St, Baltimore, Maryland
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:
  • Dr Guy Anthony Williams Ii attended and graduated from Howard University College Of Medicine in 2019
  NPI Data:
  • NPI Number: 1053978577
  • Provider Enumeration Date: 05/20/2019
  • Last Update Date: 07/13/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5395105910
  • Enrollment ID: I20240802002509

Medical Identifiers

Medical identifiers for Dr Guy Anthony Williams Ii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053978577NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207ZP0102XPathology - Anatomic Pathology & Clinical Pathology D96579 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Memorial Hermann Sugar Land HospitalSugar land, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Brown And Associates Medical Laboratories Llp307250831614

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. Dr Guy Anthony Williams Ii allows following entities to bill medicare on his behalf.
Entity NameBrown & Associates Medical Laboratories Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912981747
PECOS PAC ID: 3072508316
Enrollment ID: O20050627000563

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. Dr Guy Anthony Williams Ii 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
Dr Guy Anthony Williams Ii, MD
6201 Greenleigh Ave,
Middle River, MD 21220-2004

Ph: (410) 933-6423
Dr Guy Anthony Williams Ii, MD
600 N Wolfe St,
Baltimore, MD 21287-0005

Ph: (410) 955-3580

Reviews and Comments


Pathology Doctors in Baltimore, MD

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Phone: 410-955-3580    Fax: 410-614-1287
Deyin Xing, M.D.
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Matthew Grant Gabrielson,
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Phone: 410-955-3980    
Robert A. Palermo, M.D.
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Practice Location: 6701 N Charles St, Baltimore, MD 21204
Phone: 443-849-2257    Fax: 443-849-3016

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.