Robert Larry Marshall, MD - Medicare Internal Medicine in Fort Worth, TX

Robert Larry Marshall, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Fort Worth, Texas. His current practice location is 855 Montgomery St, Fort Worth, Texas. You can reach out to his office (for appointments etc.) via phone at (817) 735-2660.

Robert Larry Marshall is licensed to practice in Texas (license number D9846) 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 1891991881.

Contact Information

Robert Larry Marshall, MD
855 Montgomery St,
Fort Worth, TX 76107-2553
(817) 735-2660
Not Available

Map and Direction




Physician's Profile

Full NameRobert Larry Marshall
GenderMale
SpecialityInternal Medicine - Rheumatology
Location855 Montgomery St, Fort Worth, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1891991881
  • Provider Enumeration Date: 06/26/2007
  • Last Update Date: 12/17/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 0143327908
  • Enrollment ID: I20070514000252

Medical Identifiers

Medical identifiers for Robert Larry Marshall such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1891991881NPI-NPPES
114096404MedicaidTX
P00415560OtherTXRAILROAD MEDICARE
8X9560OtherTXBCBS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology D9846 (Texas)Primary
207R00000XInternal Medicine D9846 (Texas)Secondary

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. Robert Larry Marshall allows following entities to bill medicare on his behalf.
Entity NameAcclaim Physician Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780076562
PECOS PAC ID: 4587963582
Enrollment ID: O20160426000707

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. Robert Larry Marshall 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
Robert Larry Marshall, MD
Po Box 99335,
Fort Worth, TX 76199-0335

Ph: (817) 735-2660
Robert Larry Marshall, MD
855 Montgomery St,
Fort Worth, TX 76107-2553

Ph: (817) 735-2660

Reviews and Comments


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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).

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