Dr Gerald Marshall Isbell Iii, MD - Medicare Gastroenterology in Dallas, TX

Dr Gerald Marshall Isbell Iii, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Dallas, Texas. He graduated from medical school in 1982 and has 42 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice University Of Texas Southwestern Medical Center and his current practice location is 6201 Harry Hines Blvd, Dallas, Texas. You can reach out to his office (for appointments etc.) via phone at (214) 633-5555.

Dr Gerald Marshall Isbell Iii is licensed to practice in Texas (license number H1289) 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 1093774853.

Contact Information

Dr Gerald Marshall Isbell Iii, MD
6201 Harry Hines Blvd,
Dallas, TX 75390-2571
(214) 633-5555
Not Available



Physician's Profile

Full NameDr Gerald Marshall Isbell Iii
GenderMale
SpecialityGastroenterology
Experience42 Years
Location6201 Harry Hines Blvd, Dallas, Texas
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 Gerald Marshall Isbell Iii graduated from medical school in 1982
  NPI Data:
  • NPI Number: 1093774853
  • Provider Enumeration Date: 03/21/2006
  • Last Update Date: 03/25/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 5799785556
  • Enrollment ID: I20070725000325

Medical Identifiers

Medical identifiers for Dr Gerald Marshall Isbell Iii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1093774853NPI-NPPES
83Y781OtherTXBCBSTX
126555503MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology H1289 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ut Southwestern University Hospital - William P. Clements Jr.Dallas, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Texas Southwestern Medical Center06481882502588

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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 Gerald Marshall Isbell Iii allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Texas Southwestern Medical Center At Dallas
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972579365
PECOS PAC ID: 0648188250
Enrollment ID: O20031106000792

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Entity NameDigestive Health Associates Of Texas Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831158310
PECOS PAC ID: 2769372150
Enrollment ID: O20040318001014

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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 Gerald Marshall Isbell Iii 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 Gerald Marshall Isbell Iii, MD
Po Box 845347,
Dallas, TX 75284-7208

Ph: (214) 633-5555
Dr Gerald Marshall Isbell Iii, MD
6201 Harry Hines Blvd,
Dallas, TX 75390-2571

Ph: (214) 633-5555

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Internal Medicine Doctors in Dallas, TX

Uma B.r.k Pakkivenkata, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 9900 N Central Expy Ste 215, Dallas, TX 75231
Phone: 214-396-4950    Fax: 877-423-5360
Dr. Ariel Marcelo Modrykamien, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 3600 Gaston Ave, Wadley Tower, Suite 960, Dallas, TX 75246
Phone: 402-972-6078    
Benjamin Seth Martinez, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 5323 Harry Hines Blvd, Dallas, TX 75390
Phone: 214-648-3111    Fax: 214-648-5461
Vijaya Mummadi, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 9900 N Central Expy Ste 225, Dallas, TX 75231
Phone: 469-646-8880    Fax: 469-646-8884
Dr. Ting-yi Chen, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 5323 Harry Hines Blvd, Dallas, TX 75390
Phone: 214-645-2800    Fax: 214-645-2808
William Cook Langmade, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 1441 N Beckley Ave, Dallas, TX 75203
Phone: 214-947-2306    
Dr. Janame J Kottey, MBBS
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 13154 Coit Rd Ste 100, Dallas, TX 75240
Phone: 214-358-2300    Fax: 214-579-6989

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