Dr Peter Joseph Demaria, MD - Medicare Internal Medicine in Bethesda, MD

Dr Peter Joseph Demaria, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Bethesda, Maryland. His current practice location is 10 Center Drive Room B2l312, Bethesda, Maryland. You can reach out to his office (for appointments etc.) via phone at (305) 401-6386.

Dr Peter Joseph Demaria is licensed to practice in Florida (license number ME129539) 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 1811230873.

Contact Information

Dr Peter Joseph Demaria, MD
10 Center Drive Room B2l312,
Bethesda, MD 20892-0001
(305) 401-6386
Not Available

Map and Direction




Physician's Profile

Full NameDr Peter Joseph Demaria
GenderMale
SpecialityInternal Medicine - Hematology & Oncology
Location10 Center Drive Room B2l312, Bethesda, Maryland
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1811230873
  • Provider Enumeration Date: 03/28/2013
  • Last Update Date: 03/28/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5395029649
  • Enrollment ID: I20230314001564

Medical Identifiers

Medical identifiers for Dr Peter Joseph Demaria such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1811230873NPI-NPPES
MD046702OtherDCWASHINGTON, D.C. BOARD OF MEDICINE
ME129539OtherFLFLORIDA BOARD OF MEDICINE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine ME129539 (Florida)Secondary
207RH0002XInternal Medicine - Hospice And Palliative Medicine ME129539 (Florida)Secondary
207RH0003XInternal Medicine - Hematology & Oncology ME129539 (Florida)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. Dr Peter Joseph Demaria allows following entities to bill medicare on his behalf.
Entity NameBaptist Health Medical Group Oncology Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679978118
PECOS PAC ID: 1456676519
Enrollment ID: O20150211002344

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 Peter Joseph Demaria 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 Peter Joseph Demaria, MD
8300 Wisconsin Ave Apt 606,
Bethesda, MD 20814-3196

Ph: (305) 401-6386
Dr Peter Joseph Demaria, MD
10 Center Drive Room B2l312,
Bethesda, MD 20892-0001

Ph: (305) 401-6386

Reviews and Comments


Internal Medicine Doctors in Bethesda, MD

Ardalan Enkeshafi, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 6410 Rockledge Dr Ste 304, Bethesda, MD 20817
Phone: 443-602-6207    
Dr. Tara Palmore, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 10 Center Dr, Msc 1888, Bethesda, MD 20892
Phone: 301-496-4000    
Dr. Cornelia Diana Cudrici, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 10 Center Drive Bld 10 Rm 6n216a, Bethesda, MD 20892
Phone: 301-443-5519    
Shanthi Murgesh Nadar,
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 8600 Old Georgetown Road, Bethesda, MD 20814
Phone: 301-896-3100    
Dr. Nicole Jeanine Gormley, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 10 Center Dr, Bldg 10, Rm 2c145, Bethesda, MD 20892
Phone: 301-496-9320    
Dr. Harshkumar Patel, MBBS
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 10 Center Dr, Bethesda, MD 20892
Phone: 301-496-9320    Fax: 301-402-1213
Dr. Tung N Dao, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 6410 Rockledge Dr, Ste 200, Bethesda, MD 20817
Phone: 301-897-5301    Fax: 301-564-4289

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.