Dr Mark M Theiss, MD - Medicare Sports Medicine in Falls Church, VA

Dr Mark M Theiss, MD is a medicare enrolled "Orthopaedic Surgery - Sports Medicine" physician in Falls Church, Virginia. He went to Georgetown University School Of Medicine and graduated in 1975 and has 49 years of diverse experience with area of expertise as Sports Medicine. He is a member of the group practice Inova Health Care Services, Select Physical Therapy Holdings Inc and his current practice location is 3300 Gallows Rd, Falls Church, Virginia. You can reach out to his office (for appointments etc.) via phone at (703) 776-4001.

Dr Mark M Theiss is licensed to practice in Virginia (license number 0101036798) 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 1669534350.

Contact Information

Dr Mark M Theiss, MD
3300 Gallows Rd,
Falls Church, VA 22042-3300
(703) 776-4001
(703) 776-7113



Physician's Profile

Full NameDr Mark M Theiss
GenderMale
SpecialitySports Medicine
Experience49 Years
Location3300 Gallows Rd, Falls Church, Virginia
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 Mark M Theiss attended and graduated from Georgetown University School Of Medicine in 1975
  NPI Data:
  • NPI Number: 1669534350
  • Provider Enumeration Date: 12/16/2006
  • Last Update Date: 01/29/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 5395883698
  • Enrollment ID: I20140617002262

Medical Identifiers

Medical identifiers for Dr Mark M Theiss such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669534350NPI-NPPES
006499317MedicaidVA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207X00000XOrthopaedic Surgery 0101036798 (Virginia)Secondary
207XX0005XOrthopaedic Surgery - Sports Medicine 0101036798 (Virginia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Inova Alexandria HospitalAlexandria, VAHospital
Inova Fairfax HospitalFalls church, VAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Inova Health Care Services24663510931725
Select Physical Therapy Holdings Inc95370764011487

News Archive

PFO repair may increase odds of postoperative stroke, shows no clear benefit: Study

Patients who have a heart defect known as patent foramen ovale incidentally discovered and repaired during surgery for a different condition may have an increased odds of postoperative stroke, along with no clear benefit on short-term outcomes or long-term survival, according to a study in the July 15 issue of JAMA.

Lessons from Italy's COVID-19 pandemic underscore the need for more research

A new viewpoint article published in the journal JAMA Internal Medicine dissects different factors that contributed to the dire COVID-19 situation in Italy, emphasizing several aspects relevant to the international healthcare community.

Intrexon signs agreement to acquire Okanagan Specialty Fruits

Intrexon Corporation, a leader in synthetic biology, today announced it has entered into an agreement to acquire Okanagan Specialty Fruits, the pioneering agricultural company behind the Arctic apple, the world's first non-browning apple.

The Methodist Hospital offers web-based tool to help patients understand their health care better

The interactive program from Emmi Solutions describes and illustrates upcoming procedures for patients to help educate them on procedures such as cardiac bypass or knee replacement. It also helps patients understand how to manage chronic conditions like diabetes or heart failure.

Read more Medical News

› Verified 9 days ago

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 Mark M Theiss allows following entities to bill medicare on his behalf.
Entity NameInova Health Care Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952320061
PECOS PAC ID: 2466351093
Enrollment ID: O20080806000696

News Archive

PFO repair may increase odds of postoperative stroke, shows no clear benefit: Study

Patients who have a heart defect known as patent foramen ovale incidentally discovered and repaired during surgery for a different condition may have an increased odds of postoperative stroke, along with no clear benefit on short-term outcomes or long-term survival, according to a study in the July 15 issue of JAMA.

Lessons from Italy's COVID-19 pandemic underscore the need for more research

A new viewpoint article published in the journal JAMA Internal Medicine dissects different factors that contributed to the dire COVID-19 situation in Italy, emphasizing several aspects relevant to the international healthcare community.

Intrexon signs agreement to acquire Okanagan Specialty Fruits

Intrexon Corporation, a leader in synthetic biology, today announced it has entered into an agreement to acquire Okanagan Specialty Fruits, the pioneering agricultural company behind the Arctic apple, the world's first non-browning apple.

The Methodist Hospital offers web-based tool to help patients understand their health care better

The interactive program from Emmi Solutions describes and illustrates upcoming procedures for patients to help educate them on procedures such as cardiac bypass or knee replacement. It also helps patients understand how to manage chronic conditions like diabetes or heart failure.

Read more Medical News

› Verified 9 days ago

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 Mark M Theiss 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 Mark M Theiss, MD
Po Box 37174,
Baltimore, MD 21297-3174

Ph: (571) 423-5699
Dr Mark M Theiss, MD
3300 Gallows Rd,
Falls Church, VA 22042-3300

Ph: (703) 776-4001

News Archive

PFO repair may increase odds of postoperative stroke, shows no clear benefit: Study

Patients who have a heart defect known as patent foramen ovale incidentally discovered and repaired during surgery for a different condition may have an increased odds of postoperative stroke, along with no clear benefit on short-term outcomes or long-term survival, according to a study in the July 15 issue of JAMA.

Lessons from Italy's COVID-19 pandemic underscore the need for more research

A new viewpoint article published in the journal JAMA Internal Medicine dissects different factors that contributed to the dire COVID-19 situation in Italy, emphasizing several aspects relevant to the international healthcare community.

Intrexon signs agreement to acquire Okanagan Specialty Fruits

Intrexon Corporation, a leader in synthetic biology, today announced it has entered into an agreement to acquire Okanagan Specialty Fruits, the pioneering agricultural company behind the Arctic apple, the world's first non-browning apple.

The Methodist Hospital offers web-based tool to help patients understand their health care better

The interactive program from Emmi Solutions describes and illustrates upcoming procedures for patients to help educate them on procedures such as cardiac bypass or knee replacement. It also helps patients understand how to manage chronic conditions like diabetes or heart failure.

Read more News

› Verified 9 days ago


Orthopaedic Surgery Doctors in Falls Church, VA

Dr. Robert George Najarian, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 3300 Gallows Rd, Falls Church, VA 22042
Phone: 703-776-4001    Fax: 703-776-7113
Dr. Sidney G Chetta, MD
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 201 N Washington St, Kaiser Permanente Falls Church Medical Center, Falls Church, VA 22046
Phone: 703-237-4000    
Dr. Steven K Neufeld, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 2922 Telestar Ct, Falls Church, VA 22042
Phone: 703-769-8420    
Dr. Donald Avram Saroff, M.D.
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 201 N Washington St, Falls Church, VA 22046
Phone: 703-237-4000    Fax: 703-536-1400
Joseph B White, MD
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 5203 Leesburg Pike, #1601, Falls Church, VA 22041
Phone: 703-671-2225    
Daniel J Cuttica, D.O.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 2292 Telestar Court, Falls Church, VA 22042
Phone: 703-584-2040    Fax: 703-553-8647

Find & Compare Providers Near You: Find and compare doctors, nursing homes, hospitals, and other health care providers in your area that accept Medicare. Get information like: Find a doctor or clinician that accepts Medicare near you.

Doctors and clinicians: Doctors and clinicians include doctors, clinicians and groups who are qualified to practice in many specialties. Each specialty focuses on certain parts of the body, periods of life, conditions, or primary care. The doctors, clinicians, and groups listed here typically work in an office or clinic setting. Also those who currently accept Medicare are included.

Hospitals: Find information about Medicare-certified hospitals and long-term care hospitals in your area, including Veterans Administration medical centers and military hospitals, across the country. Long-term care hospitals serve critically ill and medically complex patients who require extended hospital care.

Data provided: Information on www.medicareusa.org is built using open data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA).

© 2024 MedicareUsa. All rights reserved. Maintained by the Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services.