Dr Ann Marie Stephenson Thomas, DO - Medicare Gastroenterology in Rockville, MD

Dr Ann Marie Stephenson Thomas, DO is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Rockville, Maryland. She went to Philadelphia College Of Osteopathic Medicine and graduated in 2003 and has 21 years of diverse experience with area of expertise as Gastroenterology. She is a member of the group practice Capital Digestive Care Llc and her current practice location is 9420 Key West Avenue, Suite 202, Rockville, Maryland. You can reach out to her office (for appointments etc.) via phone at (301) 251-9555.

Dr Ann Marie Stephenson Thomas is licensed to practice in New Jersey (license number 25MB08301600) 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 1376742601.

Contact Information

Dr Ann Marie Stephenson Thomas, DO
9420 Key West Avenue, Suite 202,
Rockville, MD 20850
(301) 251-9555
(301) 309-0765



Physician's Profile

Full NameDr Ann Marie Stephenson Thomas
GenderFemale
SpecialityGastroenterology
Experience21 Years
Location9420 Key West Avenue, Rockville, 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 Ann Marie Stephenson Thomas attended and graduated from Philadelphia College Of Osteopathic Medicine in 2003
  NPI Data:
  • NPI Number: 1376742601
  • Provider Enumeration Date: 07/17/2007
  • Last Update Date: 01/24/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 4587832308
  • Enrollment ID: I20140402001871

Medical Identifiers

Medical identifiers for Dr Ann Marie Stephenson Thomas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1376742601NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 25MB08301600 (New Jersey)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Adventist Healthcare Shady Grove Medical CenterRockville, MDHospital
Medstar Montgomery Medical CenterOlney, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Capital Digestive Care Llc3870669419196

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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 Ann Marie Stephenson Thomas allows following entities to bill medicare on her behalf.
Entity NameCapital Digestive Care Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164683181
PECOS PAC ID: 3870669419
Enrollment ID: O20080905000450

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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 Ann Marie Stephenson 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 Ann Marie Stephenson Thomas, DO
9420 Key West Avenue, Suite 202,
Rockville, MD 20850

Ph: (301) 251-9555
Dr Ann Marie Stephenson Thomas, DO
9420 Key West Avenue, Suite 202,
Rockville, MD 20850

Ph: (301) 251-9555

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Internal Medicine Doctors in Rockville, MD

Dr. Sheila Gay Levin, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 14955 Shady Grove Rd, Suite 150, Rockville, MD 20850
Phone: 301-340-3252    Fax: 301-340-1423
Dr. Shubir Sofat, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 10110 Molecular Dr Ste 200, Rockville, MD 20850
Phone: 301-610-4000    Fax: 301-610-4007
Dr. Kajal Dasgupta, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2101 E Jefferson St, Kaiser Permanente Medicare Enrollment, Rockville, MD 20852
Phone: 301-816-2424    
Joseph M Haggerty, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 9707 Medical Center Dr, Suite 300, Rockville, MD 20850
Phone: 301-424-6231    Fax: 301-294-4648
Isabelle A Hertig, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 11125 Rockville Pike, Suite 208, Rockville, MD 20852
Phone: 301-881-5858    Fax: 301-260-2838
Dr. Wellington Sun, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 1401 Rockville Pike, Suite 300n, Rockville, MD 20852
Phone: 301-827-3070    Fax: 301-827-3532
Dr. Wei Fan, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2401 Research Blvd Ste 370, Rockville, MD 20850
Phone: 240-690-4114    Fax: 240-654-3915

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