John Grayson Reilly, MD, MPH - Medicare General Surgery in Brownsville, TX

John Grayson Reilly, MD, MPH is a medicare enrolled "Surgery" physician in Brownsville, Texas. He went to Texas A & M University System, Hsc, College Of Medicine and graduated in 2018 and has 7 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice Renaissance Specialty Surgery and his current practice location is 4770 N Expressway Ste 305a, Brownsville, Texas. You can reach out to his office (for appointments etc.) via phone at (956) 362-3980.

John Grayson Reilly is licensed to practice in Texas (license number V9702) 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 1841845302.

Contact Information

John Grayson Reilly, MD, MPH
4770 N Expressway Ste 305a,
Brownsville, TX 78526-4165
(956) 362-3980
(956) 362-3979

Map and Direction




Physician's Profile

Full NameJohn Grayson Reilly
GenderMale
SpecialityGeneral Surgery
Experience7 Years
Location4770 N Expressway Ste 305a, Brownsville, 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:
  • John Grayson Reilly attended and graduated from Texas A & M University System, Hsc, College Of Medicine in 2018
  NPI Data:
  • NPI Number: 1841845302
  • Provider Enumeration Date: 08/01/2019
  • Last Update Date: 09/18/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 5092221846
  • Enrollment ID: I20250719000249

Medical Identifiers

Medical identifiers for John Grayson Reilly such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1841845302NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery V9702 (Texas)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Renaissance Specialty Surgery862829182024

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. John Grayson Reilly 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
John Grayson Reilly, MD, MPH
Po Box 2975,
Mcallen, TX 78502-2975

Ph: (956) 362-3980
John Grayson Reilly, MD, MPH
4770 N Expressway Ste 305a,
Brownsville, TX 78526-4165

Ph: (956) 362-3980

Reviews and Comments


Surgery Doctors in Brownsville, TX

Oyetunde O Siyanbade, MD
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Phone: 956-435-0344    Fax: 956-435-0420
Dr. January Aisha Hill, M.D.
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Dr. Juan F. Rodriguez, M.D.
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Dr. Edgar E Moncada, MD
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Practice Location: 100 E Alton Gloor Blvd, Bldg. B Ste 260, Brownsville, TX 78526
Phone: 956-350-3901    Fax: 956-350-3900
Karen Jean Brooks, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 4770 N Expressway Ste 202, Brownsville, TX 78526
Phone: 956-362-5900    Fax: 956-362-5909
Dr. Thomas A Clark, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 5700 N Expressway # 77, Suite 102, Brownsville, TX 78526
Phone: 956-350-6561    Fax: 956-350-6700
Janak Desai, M.D.
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Medicare: Medicare Enrolled
Practice Location: 1080 Ceiba Cir, Suite 615, Brownsville, TX 78521
Phone: 956-541-9862    

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.

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