Dr Jay Lance Gregston, MD - Medicare Emergency Medicine in Duncan, OK

Dr Jay Lance Gregston, MD is a medicare enrolled "Emergency Medicine" physician in Duncan, Oklahoma. He went to University Of Oklahoma College Of Medicine and graduated in 1996 and has 28 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Urgent Med Llc and his current practice location is 2004 N Highway 81, Duncan, Oklahoma. You can reach out to his office (for appointments etc.) via phone at (580) 252-1911.

Dr Jay Lance Gregston is licensed to practice in Oklahoma (license number 20226) 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 1871581512.

Contact Information

Dr Jay Lance Gregston, MD
2004 N Highway 81,
Duncan, OK 73533-1460
(580) 252-1911
(580) 252-1020

Map and Direction




Physician's Profile

Full NameDr Jay Lance Gregston
GenderMale
SpecialityEmergency Medicine
Experience28 Years
Location2004 N Highway 81, Duncan, Oklahoma
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 Jay Lance Gregston attended and graduated from University Of Oklahoma College Of Medicine in 1996
  NPI Data:
  • NPI Number: 1871581512
  • Provider Enumeration Date: 10/06/2005
  • Last Update Date: 01/17/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 8729014154
  • Enrollment ID: I20050715001036

Medical Identifiers

Medical identifiers for Dr Jay Lance Gregston such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1871581512NPI-NPPES
100254370AMedicaidOK
200069940AMedicaidOK
200116880BMedicaidOK
100254370BMedicaidOK
200116880AMedicaidOK

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 20226 (Oklahoma)Primary
207Q00000XFamily Medicine 20226 (Oklahoma)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Urgent Med Llc51937477075

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 Jay Lance Gregston allows following entities to bill medicare on his behalf.
Entity NameEmergency Staffing Solutions Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477590974
PECOS PAC ID: 9830001650
Enrollment ID: O20050207000313
Entity NameUrgent Med Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679774442
PECOS PAC ID: 5193747707
Enrollment ID: O20051223000213
Entity NameFamily Med Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396959482
PECOS PAC ID: 5597848218
Enrollment ID: O20080218000662
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 NameFocused Adult Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144882325
PECOS PAC ID: 5597096065
Enrollment ID: O20191015000365

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 Jay Lance Gregston 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 Jay Lance Gregston, MD
2004 N Highway 81,
Duncan, OK 73533-1460

Ph: (580) 252-1911
Dr Jay Lance Gregston, MD
2004 N Highway 81,
Duncan, OK 73533-1460

Ph: (580) 252-1911

Reviews and Comments


Emergency Medicine Doctors in Duncan, OK

John Josiah Harrison, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1407 N Whisenant Dr, Duncan, OK 73533
Phone: 580-251-8458    
Dr. David Arthur Tilles, D.O.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1407 N Whisenant Dr, Duncan, OK 73533
Phone: 580-251-8458    
Dr. James Robert Petersen, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1407 N Whisenant Dr, Duncan, OK 73533
Phone: 580-252-5300    

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.