Maria C Castellano, MD - Medicare Gastroenterology in Valdosta, GA

Maria C Castellano, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Valdosta, Georgia. She graduated from medical school in 1990 and has 34 years of diverse experience with area of expertise as Gastroenterology. She is a member of the group practice Maria C Castellano, Md, Llc and her current practice location is 2418 N Oak St, Suite G, Valdosta, Georgia. You can reach out to her office (for appointments etc.) via phone at (229) 588-4688.

Maria C Castellano is licensed to practice in Georgia (license number 045419) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1306950100.

Contact Information

Maria C Castellano, MD
2418 N Oak St, Suite G,
Valdosta, GA 31602-2576
(229) 588-4688
(229) 588-4468

Map and Direction




Physician's Profile

Full NameMaria C Castellano
GenderFemale
SpecialityGastroenterology
Experience34 Years
Location2418 N Oak St, Valdosta, Georgia
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Maria C Castellano graduated from medical school in 1990
  NPI Data:
  • NPI Number: 1306950100
  • Provider Enumeration Date: 08/18/2006
  • Last Update Date: 02/03/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 3274576475
  • Enrollment ID: I20050608000881

Medical Identifiers

Medical identifiers for Maria C Castellano such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306950100NPI-NPPES
674370634AMedicaidGA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 045419 (Georgia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
South Georgia Medical CenterValdosta, GAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Maria C Castellano, Md, Llc43857761783

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. Maria C Castellano allows following entities to bill medicare on her behalf.
Entity NameMaria C Castellano, Md, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568789329
PECOS PAC ID: 4385776178
Enrollment ID: O20100714000391

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. Maria C Castellano 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
Maria C Castellano, MD
2418 N Oak St, Suite G,
Valdosta, GA 31602-2576

Ph: (229) 588-4688
Maria C Castellano, MD
2418 N Oak St, Suite G,
Valdosta, GA 31602-2576

Ph: (229) 588-4688

Reviews and Comments


Internal Medicine Doctors in Valdosta, GA

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Dr. William C Tidmore Jr., M.D.
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Phone: 229-219-0247    Fax: 229-219-0837
Dr. Michael Heron, MD
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Practice Location: 2501 N Patterson St, Valdosta, GA 31602
Phone: 229-259-4178    

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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