Gregory Ashton Bassmann, MD - Medicare Pulmonary Disease in Baltimore, MD

Gregory Ashton Bassmann, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Baltimore, Maryland. He went to New York Medical College and graduated in 2008 and has 16 years of diverse experience with area of expertise as Pulmonary Disease. He is a member of the group practice Greater Baltimore Medical Center Inc and his current practice location is 6565 N Charles St, Suite 201, Baltimore, Maryland. You can reach out to his office (for appointments etc.) via phone at (443) 849-3901.

Gregory Ashton Bassmann is licensed to practice in Maryland (license number D77581) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1174781611.

Contact Information

Gregory Ashton Bassmann, MD
6565 N Charles St, Suite 201,
Baltimore, MD 21204-6800
(443) 849-3901
(443) 849-3902

Map and Direction




Physician's Profile

Full NameGregory Ashton Bassmann
GenderMale
SpecialityPulmonary Disease
Experience16 Years
Location6565 N Charles St, Baltimore, Maryland
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Gregory Ashton Bassmann attended and graduated from New York Medical College in 2008
  NPI Data:
  • NPI Number: 1174781611
  • Provider Enumeration Date: 05/31/2008
  • Last Update Date: 07/19/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 9335366178
  • Enrollment ID: I20140819000478

Medical Identifiers

Medical identifiers for Gregory Ashton Bassmann such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1174781611NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RP1001XInternal Medicine - Pulmonary Disease D77581 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Greater Baltimore Medical CenterBaltimore, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Greater Baltimore Medical Center Inc1759276975307

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. Gregory Ashton Bassmann allows following entities to bill medicare on his behalf.
Entity NameGreater Baltimore Medical Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891855763
PECOS PAC ID: 1759276975
Enrollment ID: O20040217000852

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. Gregory Ashton Bassmann 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
Gregory Ashton Bassmann, MD
Po Box 418953,
Boston, MA 02241-8953

Ph: () -
Gregory Ashton Bassmann, MD
6565 N Charles St, Suite 201,
Baltimore, MD 21204-6800

Ph: (443) 849-3901

Reviews and Comments


Internal Medicine Doctors in Baltimore, MD

Dr. Leonard Anang Sowah, M.D.
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: 22 S Greene St, Baltimore, MD 21201
Phone: 410-706-4619    Fax: 410-706-2062
Dr. Bhavandeep Singh Bajaj, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 3345 Wilkens Avenue, Suite L10, Baltimore, MD 21229
Phone: 410-644-4444    Fax: 410-644-4484
Dr. Yonas Sisay, M.D.
Pulmonary Disease
Medicare: Not Enrolled in Medicare
Practice Location: 822 Guilford Ave, #100, Baltimore, MD 21202
Phone: 410-385-9672    
Dr. Stephen John Witanowski, MD
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: 2700 Quarry Lake Dr, Suite 280, Baltimore, MD 21209
Phone: 410-469-5544    Fax: 410-585-2867
Dr. Susrutha Kotwal, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 4940 Eastern Ave, Mfl Bldg, West Tower, 6th Floor, Baltimore, MD 21224
Phone: 410-550-5018    
Dr. Mitesh G Trambadia, M.D.
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: 6701 N Charles St Ste 5218, Baltimore, MD 21204
Phone: 443-849-3786    
Ronak K Patel, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
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).

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.