Mark J Seifert, MD - Medicare Cardiac Electrophysiology in Phoenix, AZ

Mark J Seifert, MD is a medicare enrolled "Internal Medicine - Clinical Cardiac Electrophysiology" physician in Phoenix, Arizona. He went to Johns Hopkins University School Of Medicine and graduated in 1989 and has 35 years of diverse experience with area of expertise as Cardiac Electrophysiology. He is a member of the group practice Honorhealth Ambulatory and his current practice location is 9250 N 3rd Street, Suite 3010, Phoenix, Arizona. You can reach out to his office (for appointments etc.) via phone at (602) 861-1168.

Mark J Seifert is licensed to practice in Arizona (license number 33429) 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 1942201694.

Contact Information

Mark J Seifert, MD
9250 N 3rd Street, Suite 3010,
Phoenix, AZ 85020-2425
(602) 861-1168
(602) 861-1763

Map and Direction




Physician's Profile

Full NameMark J Seifert
GenderMale
SpecialityCardiac Electrophysiology
Experience35 Years
Location9250 N 3rd Street, Phoenix, Arizona
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:
  • Mark J Seifert attended and graduated from Johns Hopkins University School Of Medicine in 1989
  NPI Data:
  • NPI Number: 1942201694
  • Provider Enumeration Date: 08/03/2005
  • Last Update Date: 09/13/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 0446247563
  • Enrollment ID: I20041124000721

Medical Identifiers

Medical identifiers for Mark J Seifert such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1942201694NPI-NPPES
WCSKQOtherAZSUN HEALTH GROUP #
P00162117OtherAZRAILROAD MEDICARE
363599MedicaidAZ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease 33429 (Arizona)Secondary
207RC0001XInternal Medicine - Clinical Cardiac Electrophysiology 33429 (Arizona)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
John C. Lincoln North Mountain HospitalPhoenix, AZHospital
Honorhealth Deer Valley Medical CenterPhoenix, AZHospital
Honorhealth Scottsdale Shea Medical CenterScottsdale, AZHospital
Scottsdale Osborn Medical CenterScottsdale, AZHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Honorhealth Ambulatory5991603110420

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. Mark J Seifert allows following entities to bill medicare on his behalf.
Entity NameHonorhealth Ambulatory
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407050917
PECOS PAC ID: 5991603110
Enrollment ID: O20071005000449

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. Mark J Seifert 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
Mark J Seifert, MD
2500 W Utopia Rd, Ste. 100,
Phoenix, AZ 85027-4171

Ph: (623) 434-6200
Mark J Seifert, MD
9250 N 3rd Street, Suite 3010,
Phoenix, AZ 85020-2425

Ph: (602) 861-1168

Reviews and Comments


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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.