Dr Reena Mary Thomas, MD - Medicare Endocrinology in Prince Frederick, MD

Dr Reena Mary Thomas, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Prince Frederick, Maryland. She graduated from medical school in 1995 and has 29 years of diverse experience with area of expertise as Endocrinology. Her current practice location is 205 Steeple Chase Dr 307, Prince Frederick, Maryland. You can reach out to her office (for appointments etc.) via phone at (443) 432-3020.

Dr Reena Mary Thomas is licensed to practice in Maryland (license number D0079447) 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 1154640423.

Contact Information

Dr Reena Mary Thomas, MD
205 Steeple Chase Dr 307,
Prince Frederick, MD 20678-4054
(443) 432-3020
(410) 486-7178

Map and Direction




Physician's Profile

Full NameDr Reena Mary Thomas
GenderFemale
SpecialityEndocrinology
Experience29 Years
Location205 Steeple Chase Dr 307, Prince Frederick, Maryland
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:
  • Dr Reena Mary Thomas graduated from medical school in 1995
  NPI Data:
  • NPI Number: 1154640423
  • Provider Enumeration Date: 05/25/2010
  • Last Update Date: 01/22/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5092964601
  • Enrollment ID: I20151021000879

Medical Identifiers

Medical identifiers for Dr Reena Mary Thomas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154640423NPI-NPPES
5810230P0000MedicaidMD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism D0079447 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Calverthealth Medical CenterPrince frederick, MDHospital
Medstar Saint Mary's HospitalLeonardtown, MDHospital

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 Reena Mary Thomas allows following entities to bill medicare on her behalf.
Entity NamePatuxent Endocrinology Associates Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1427445733
PECOS PAC ID: 5597074237
Enrollment ID: O20151021000730

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 Reena Mary Thomas 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 Reena Mary Thomas, MD
Po Box 2424,
Prince Frederick, MD 20678-2424

Ph: (443) 432-3020
Dr Reena Mary Thomas, MD
205 Steeple Chase Dr 307,
Prince Frederick, MD 20678-4054

Ph: (443) 432-3020

Reviews and Comments


Internal Medicine Doctors in Prince Frederick, MD

Julie O'keefe, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 985 Prince Frederick Blvd Ste 201, Prince Frederick, MD 20678
Phone: 410-535-2005    Fax: 410-535-4850
Dr. Mark J Kushner, MD
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: 110 Hospital Rd Ste 310, Prince Frederick, MD 20678
Phone: 410-535-2005    Fax: 410-535-4850
Dr. Jonathan Kim Fears, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 985 Prince Frederick Blvd Ste 201, Prince Frederick, MD 20678
Phone: 410-535-2005    Fax: 410-535-4850
Cassius Diego Belfonte, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 110 Hospital Rd, Suite 306, Prince Frederick, MD 20678
Phone: 410-414-6559    Fax: 410-414-5332
Dr. Bilal Ahmed, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 110 Hospital Rd, Suite 105, Prince Frederick, MD 20678
Phone: 410-414-9116    Fax: 410-414-9118
Dr. Joseph John Barth Iii, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 110 Hospital Rd Ste 310, Prince Frederick, MD 20678
Phone: 410-535-2005    Fax: 410-535-4850

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.