Dr Thaddeus Demetrius Mamienski, DO - Medicare Obstetrics/gynecology in Bethesda, MD

Dr Thaddeus Demetrius Mamienski, DO is a medicare enrolled "Obstetrics & Gynecology" physician in Bethesda, Maryland. He went to Philadelphia College Of Osteopathic Medicine and graduated in 2005 and has 19 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice Medstar Medical Group Ii Llc and his current practice location is 8901 Wisconsin Ave, Department Of Obstetrics And Gynecology, Bethesda, Maryland. You can reach out to his office (for appointments etc.) via phone at (215) 872-7216.

Dr Thaddeus Demetrius Mamienski is licensed to practice in Virginia (license number 0102201967) 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 1104979194.

Contact Information

Dr Thaddeus Demetrius Mamienski, DO
8901 Wisconsin Ave, Department Of Obstetrics And Gynecology,
Bethesda, MD 20889-0001
(215) 872-7216
Not Available

Map and Direction




Physician's Profile

Full NameDr Thaddeus Demetrius Mamienski
GenderMale
SpecialityObstetrics/gynecology
Experience19 Years
Location8901 Wisconsin Ave, Bethesda, 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:
  • Dr Thaddeus Demetrius Mamienski attended and graduated from Philadelphia College Of Osteopathic Medicine in 2005
  NPI Data:
  • NPI Number: 1104979194
  • Provider Enumeration Date: 01/21/2007
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 6800021916
  • Enrollment ID: I20131026000076

Medical Identifiers

Medical identifiers for Dr Thaddeus Demetrius Mamienski such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104979194NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 0102201967 (Virginia)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Medstar Medical Group Ii Llc05474138251790

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 Thaddeus Demetrius Mamienski allows following entities to bill medicare on his behalf.
Entity NameMedstar Medical Group Ii Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184046187
PECOS PAC ID: 0547413825
Enrollment ID: O20130117000415

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 Thaddeus Demetrius Mamienski 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 Thaddeus Demetrius Mamienski, DO
4512 Everett St,
Kensington, MD 20895-4124

Ph: (215) 872-7216
Dr Thaddeus Demetrius Mamienski, DO
8901 Wisconsin Ave, Department Of Obstetrics And Gynecology,
Bethesda, MD 20889-0001

Ph: (215) 872-7216

Reviews and Comments


Obstetrics & Gynecology Doctors in Bethesda, MD

Dr. Yuri Prykupenko, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 4920 Elm St Ste 225, Bethesda, MD 20814
Phone: 240-395-1050    
Jacqueline Patricia Apgar, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 10215 Fernwood Rd, 101, Bethesda, MD 20817
Phone: 301-530-2235    Fax: 301-530-8164
Dr. Christine Marie Vaccaro, D.O.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 8901 Wisconsin Ave, Bethesda, MD 20889
Phone: 301-400-2468    
Eric Levens, M.D.
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 10 Center Dr, Bldg 10, Crc, Rm 1e-3140, Bethesda, MD 20892
Phone: 301-496-5800    
Kristen Bunch, DO
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 8901 Rockville Pike, Bethesda, MD 20889
Phone: 088-290-2798    
Lily Theresa Criscione, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: Ob Gyn Department, 8901 Rockville Pike, Bethesda, MD 20889
Phone: 301-295-2045    
Richard S Margolis, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 10215 Fernwood Rd, Suite 101, Bethesda, MD 20817
Phone: 301-530-2235    Fax: 301-530-8164

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.