Dr Mark Howard Terris, MD - Medicare Otolaryngology in Largo, MD

Dr Mark Howard Terris, MD is a medicare enrolled "Otolaryngology" physician in Largo, Maryland. He went to University Of California, San Francisco School Of Medicine and graduated in 1989 and has 35 years of diverse experience with area of expertise as Otolaryngology. He is a member of the group practice Kaiser Foundation Health Plan Of The Mid-atlantic States, Inc and his current practice location is 1221 Mercantile Lane, Largo, Maryland. You can reach out to his office (for appointments etc.) via phone at (301) 618-5500.

Dr Mark Howard Terris is licensed to practice in Maryland (license number D0047366) 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 1073673505.

Contact Information

Dr Mark Howard Terris, MD
1221 Mercantile Lane,
Largo, MD 20774-5374
(301) 618-5500
Not Available

Map and Direction




Physician's Profile

Full NameDr Mark Howard Terris
GenderMale
SpecialityOtolaryngology
Experience35 Years
Location1221 Mercantile Lane, Largo, 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 Mark Howard Terris attended and graduated from University Of California, San Francisco School Of Medicine in 1989
  NPI Data:
  • NPI Number: 1073673505
  • Provider Enumeration Date: 12/12/2006
  • Last Update Date: 01/19/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9739215013
  • Enrollment ID: I20100325000542

Medical Identifiers

Medical identifiers for Dr Mark Howard Terris such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1073673505NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Y00000XOtolaryngology 0101052267 (Virginia)Secondary
207Y00000XOtolaryngology MD21307 (District Of Columbia)Secondary
207Y00000XOtolaryngology D0047366 (Maryland)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Kaiser Foundation Health Plan Of The Mid-atlantic States, Inc37794958581628

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 Howard Terris allows following entities to bill medicare on his behalf.
Entity NameKaiser Foundation Health Plan Of The Mid-atlantic States, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952461816
PECOS PAC ID: 3779495858
Enrollment ID: O20040105000308
Entity NameKaiser Foundation Health Plan Of The Mid-atlantic States, Inc
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1578638425
PECOS PAC ID: 3779495858
Enrollment ID: O20040805001280
Entity NameKaiser Foundation Health Plan Of The Mid-atlantic States, Inc
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1073678637
PECOS PAC ID: 3779495858
Enrollment ID: O20100729000796
Entity NameKaiser Foundation Health Plan Of The Mid-atlantic States, Inc
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1366781700
PECOS PAC ID: 3779495858
Enrollment ID: O20130507000207
Entity NameKaiser Foundation Health Plan Of The Mid-atlantic States, Inc
Entity TypePart B Supplier - Ambulatory Surgical Center
Entity IdentifiersNPI Number: 1497023188
PECOS PAC ID: 3779495858
Enrollment ID: O20131029000108

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 Howard Terris 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 Howard Terris, MD
2101 E Jefferson St, Kaiser Permanente Medicare Enrollment,
Rockville, MD 20852-4908

Ph: (301) 816-2424
Dr Mark Howard Terris, MD
1221 Mercantile Lane,
Largo, MD 20774-5374

Ph: (301) 618-5500

Reviews and Comments


Otolaryngology Doctors in Largo, MD

Dr. Mary Elizabeth Gorman, M.D.
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 1221 Mercantile Ln, Largo, MD 20774
Phone: 301-618-5569    Fax: 301-618-5571
Dr. Elena Daniel, MD
Otolaryngology
Medicare: Accepting Medicare Assignments
Practice Location: 1221 Mercantile Ln, Kaiser Otolaryngology, Largo, MD 20774
Phone: 301-618-5500    Fax: 301-618-5673

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.