Dr Mark Daryl Tieman, MD - Medicare Internal Medicine in Commack, NY

Dr Mark Daryl Tieman, MD is a medicare enrolled "Internal Medicine" physician in Commack, New York. He went to Albert Einstein College Of Medicine Of Yeshiva University and graduated in 1986 and has 38 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 356 Veterans Memorial Hwy, Commack, New York. You can reach out to his office (for appointments etc.) via phone at (631) 858-0400.

Dr Mark Daryl Tieman is licensed to practice in New York (license number 179172) 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 1154494003.

Contact Information

Dr Mark Daryl Tieman, MD
356 Veterans Memorial Hwy,
Commack, NY 11725-4332
(631) 858-0400
(631) 543-2785

Map and Direction




Physician's Profile

Full NameDr Mark Daryl Tieman
GenderMale
SpecialityInternal Medicine
Experience38 Years
Location356 Veterans Memorial Hwy, Commack, New York
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 Daryl Tieman attended and graduated from Albert Einstein College Of Medicine Of Yeshiva University in 1986
  NPI Data:
  • NPI Number: 1154494003
  • Provider Enumeration Date: 11/16/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 5991970139
  • Enrollment ID: I20111216000002

Medical Identifiers

Medical identifiers for Dr Mark Daryl Tieman such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154494003NPI-NPPES
179172OtherNYM.D. LICENSE NUMBER

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 179172 (New York)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 Mark Daryl Tieman allows following entities to bill medicare on his behalf.
Entity NameMark Tieman, Md, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821375940
PECOS PAC ID: 4082889225
Enrollment ID: O20111216000001
Entity NameVytaliz Medical
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568831105
PECOS PAC ID: 7719296938
Enrollment ID: O20151028002361

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 Daryl Tieman 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 Daryl Tieman, MD
34 Copperdale Ln,
Huntington, NY 11743-2523

Ph: (631) 858-0400
Dr Mark Daryl Tieman, MD
356 Veterans Memorial Hwy,
Commack, NY 11725-4332

Ph: (631) 858-0400

Reviews and Comments


Internal Medicine Doctors in Commack, NY

Elizabeth Adele Sturm, M.D.
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Dr. Saadat Ul Aleem, M.D./PH.D.
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Asmita Satapathy, M.D
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Janice Shen,
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Practice Location: 650 Commack Rd, Commack, NY 11725
Phone: 631-623-4258    
Steven M Sugarman, MD
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Practice Location: 650 Commack Rd, Commack, NY 11725
Phone: 646-227-3813    

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.