Dr Mark Oldendorf, MD - Medicare Internal Medicine in Loudonville, NY

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Dr Mark Oldendorf, MD is a medicare enrolled "Internal Medicine" physician in Loudonville, New York. He went to Albany Medical College Of Union University and graduated in 1976 and has 50 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Oldendorf Medical Services Pllc and his current practice location is 407 Albany Shaker Rd Ste 100, Loudonville, New York. You can reach out to his office (for appointments etc.) via phone at (518) 435-1300.

Dr Mark Oldendorf is licensed to practice in New York (license number 146168) 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 1427147800.

Contact Information

Dr Mark Oldendorf, MD
407 Albany Shaker Rd Ste 100,
Loudonville, NY 12211-1902
(518) 435-1300
Not Available

Map and Direction




Physician's Profile

Full NameDr Mark Oldendorf
GenderMale
SpecialityInternal Medicine
Experience50 Years
Location407 Albany Shaker Rd Ste 100, Loudonville, 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 Oldendorf attended and graduated from Albany Medical College Of Union University in 1976
  NPI Data:
  • NPI Number: 1427147800
  • Provider Enumeration Date: 10/12/2006
  • Last Update Date: 02/07/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 7113953142
  • Enrollment ID: I20050712000284

Medical Identifiers

Medical identifiers for Dr Mark Oldendorf such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427147800NPI-NPPES
00654260MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207QA0505XFamily Medicine - Adult Medicine 146168 (New York)Secondary
207R00000XInternal Medicine 146168 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Eddy Visiting Nurse & Rehab AssociationTroy, NYHome health agency
Community Hospice, Inc, TheRensselaer, NYHospice
St Peter's HospitalAlbany, NYHospital
Samaritan HospitalTroy, NYHospital
Albany Medical Center HospitalAlbany, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Oldendorf Medical Services Pllc32746849498

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 Oldendorf allows following entities to bill medicare on his behalf.
Entity NameOldendorf Medical Services Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518107069
PECOS PAC ID: 3274684949
Enrollment ID: O20090622000002

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 Oldendorf 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 Oldendorf, MD
407 Albany Shaker Rd,
Loudonville, NY 12211-1900

Ph: (518) 435-1300		Dr Mark Oldendorf, MD
407 Albany Shaker Rd Ste 100,
Loudonville, NY 12211-1902

Ph: (518) 435-1300

Reviews and Comments


Internal Medicine Doctors in Loudonville, NY

Dr. Page V. Salenger, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 407 Albany Shaker Rd, Loudonville, NY 12211
Phone: 518-435-1300    Fax: 518-435-1397
Dr. A Andrew Casano, M. D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 16 Chestnut Hill Rd S, Loudonville, NY 12211
Phone: 518-462-2406    
Dr. Ashok Baghel, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 9 Hilander Dr, Loudonville, NY 12211
Phone: 518-301-1734    

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.