Lance D Williams, MD - Medicare Emergency Medicine in Norman, OK

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Lance D Williams, MD is a medicare enrolled "Emergency Medicine" physician in Norman, Oklahoma. His current practice location is 901 N Porter Ave, Norman, Oklahoma. You can reach out to his office (for appointments etc.) via phone at (405) 307-1000.

Lance D Williams is licensed to practice in Oklahoma (license number 20233) 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 1689660847.

Contact Information

Lance D Williams, MD
901 N Porter Ave,
Norman, OK 73071-6404
(405) 307-1000
Not Available

Map and Direction




Physician's Profile

Full NameLance D Williams
GenderMale
SpecialityEmergency Medicine
Location901 N Porter Ave, Norman, Oklahoma
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1689660847
  • Provider Enumeration Date: 09/23/2005
  • Last Update Date: 03/20/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 3971569153
  • Enrollment ID: I20041209000151

Medical Identifiers

Medical identifiers for Lance D Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689660847NPI-NPPES
100256000BMedicaidOK

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 20233 (Oklahoma)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. Lance D Williams allows following entities to bill medicare on his behalf.
Entity NameEmergency Services Of Oklahoma Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215249891
PECOS PAC ID: 8123209012
Enrollment ID: O20110225000085
Entity NameSouth Central Emergency Services, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558663724
PECOS PAC ID: 8224212949
Enrollment ID: O20110405000201
Entity NameOklahoma Emergency Services Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1114239795
PECOS PAC ID: 3678757010
Enrollment ID: O20110411000211

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. Lance D Williams 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
Lance D Williams, MD
Po Box 269024,
Oklahoma City, OK 73126-9024

Ph: (866) 321-8433		Lance D Williams, MD
901 N Porter Ave,
Norman, OK 73071-6404

Ph: (405) 307-1000

Reviews and Comments


Emergency Medicine Doctors in Norman, OK

Jonathan Wright I, DO
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 901 N Porter Ave, Attention Physician Residency, Norman, OK 73071
Phone: 405-307-5340    
Dr. Spencer Robert Baird, DO
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Practice Location: 901 N Porter Ave, Norman, OK 73071
Phone: 706-296-1258    
Dr. Dylan Rommel, DO
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Practice Location: 901 N Porter Ave, Norman, OK 73071
Phone: 405-307-1000    
Arthur Maduabia, DO
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Medicare: Accepting Medicare Assignments
Practice Location: 901 N Porter Ave, Norman, OK 73071
Phone: 405-307-5340    
Crystal Helena Goree, DO
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 901 N Porter Ave, Norman, OK 73071
Phone: 405-307-1392    
Breanna Jacobitz, DO
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 901 N Porter Ave, Norman, OK 73071
Phone: 405-307-1000    
Robert Francisco Sanchez, DO
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 901 N Porter Ave, Norman, OK 73071
Phone: 405-307-1392    

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.