Mack W Bell, MD - Medicare Hospitalist in Baltimore, MD

Mack W Bell, MD is a medicare enrolled "Hospitalist" physician in Baltimore, Maryland. His current practice location is 22 S Greene St, Baltimore, Maryland. You can reach out to his office (for appointments etc.) via phone at (410) 328-7493.

Mack W Bell is licensed to practice in Maryland (license number D94657) 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 1801359930.

Contact Information

Mack W Bell, MD
22 S Greene St,
Baltimore, MD 21201-1590
(410) 328-7493
(410) 328-3494

Map and Direction




Physician's Profile

Full NameMack W Bell
GenderMale
SpecialityHospitalist
Location22 S Greene St, Baltimore, Maryland
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1801359930
  • Provider Enumeration Date: 04/06/2019
  • Last Update Date: 10/17/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 1052643392
  • Enrollment ID: I20220902000440

Medical Identifiers

Medical identifiers for Mack W Bell such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1801359930NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine D94657 (Maryland)Secondary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary
208M00000XHospitalist D94657 (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. Mack W Bell allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Maryland Physicians P.a.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689623175
PECOS PAC ID: 2769394808
Enrollment ID: O20031105000792
Entity NameJohns Hopkins Community Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578598868
PECOS PAC ID: 8325943707
Enrollment ID: O20031220000065

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. Mack W Bell 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
Mack W Bell, MD
Po Box 64442,
Baltimore, MD 21264-4442

Ph: (410) 328-8040
Mack W Bell, MD
22 S Greene St,
Baltimore, MD 21201-1590

Ph: (410) 328-7493

Reviews and Comments


Hospitalist Doctors in Baltimore, MD

Cheryl Myers Hepp, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 22 S Greene St, Baltimore, MD 21201
Phone: 410-328-2882    Fax: 410-328-7607
Omid Sanaei, MD
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Practice Location: 201 E University Pkwy, Baltimore, MD 21218
Phone: 410-554-2284    Fax: 410-554-2184
Sumedha Nallamothu, M.B.B.S
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Phone: 410-614-4474    Fax: 410-367-2770
Dr. Nejat Ahmed Mohammed, MD
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Medicare: Medicare Enrolled
Practice Location: 3001 S Hanover St, Baltimore, MD 21225
Phone: 410-350-3200    
Mahyar Toofantabrizi,
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Practice Location: 9000 Franklin Square Dr, Baltimore, MD 21237
Phone: 443-777-7000    
Lee-ann Marie Wagner, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 22 S Greene St, Baltimore, MD 21201
Phone: 410-328-2882    Fax: 410-328-7607
Adina Cappell, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 2200 Kernan Dr, Baltimore, MD 21207
Phone: 410-448-2500    

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.