Marvin Jack Feldman, MD - Medicare Internal Medicine in Baltimore, MD

Marvin Jack Feldman, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Baltimore, Maryland. His current practice location is 227 St Paul Place, 4th Floor, Baltimore, Maryland. You can reach out to his office (for appointments etc.) via phone at (410) 783-5858.

Marvin Jack Feldman is licensed to practice in Maryland (license number D07930) 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 1336254424.

Contact Information

Marvin Jack Feldman, MD
227 St Paul Place, 4th Floor,
Baltimore, MD 21202-2001
(410) 783-5858
(410) 783-5864

Map and Direction




Physician's Profile

Full NameMarvin Jack Feldman
GenderMale
SpecialityInternal Medicine - Hematology & Oncology
Location227 St Paul Place, Baltimore, Maryland
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1336254424
  • Provider Enumeration Date: 08/20/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 3678460748
  • Enrollment ID: I20061220000395

Medical Identifiers

Medical identifiers for Marvin Jack Feldman such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336254424NPI-NPPES
308341100MedicaidMD
124054OtherAETNA
39974701OtherCAREFIRST MD
R8440001OtherCAREFIRST DC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology D07930 (Maryland)Primary

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. Marvin Jack Feldman allows following entities to bill medicare on his behalf.
Entity NameSinai Hospital Of Baltimore, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043235666
PECOS PAC ID: 0941112346
Enrollment ID: O20031104000353
Entity NameSt Paul Place Specialists Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871549196
PECOS PAC ID: 7719882943
Enrollment ID: O20031202000084

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. Marvin Jack Feldman 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
Marvin Jack Feldman, MD
227 St Paul Place, 4th Floor,
Baltimore, MD 21202-2001

Ph: (410) 783-5858
Marvin Jack Feldman, MD
227 St Paul Place, 4th Floor,
Baltimore, MD 21202-2001

Ph: (410) 783-5858

Reviews and Comments


Internal Medicine Doctors in Baltimore, MD

Dr. Leonard Anang Sowah, M.D.
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Phone: 410-550-5018    
Dr. Mitesh G Trambadia, M.D.
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Practice Location: 201 E University Pkwy, Baltimore, MD 21218
Phone: 410-554-2000    

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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