MARK J SEIFERT (MD) – Clinical Cardiac Electrophysiology Physician, NPI 1942201694

MARK J SEIFERT (MD) is a healthcare provider. based in Phoenix, Arizona. specializing in CARDIAC ELECTROPHYSIOLOGY, CARDIOVASCULAR DISEASE (CARDIOLOGY), FAMILY PRACTICE. They hold the professional credentials MD. They hold a License No. 33429 (AZ). The NPI Number for MARK J SEIFERT (MD) is 1942201694

Main info

Male
37 Years Of Experience
Accepts Medicare Assignment
Name
MARK J SEIFERT (MD)
NPI
1942201694
Phone
(623) 434-6200
Address
2500 W UTOPIA RD
Enumeration Date
3 August 2005
Last Update Date
13 September 2013

Doctor Profile

Medical School Name
JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
4808827450
Graduation Year
1989 (37 years ago)
PAC ID
0446247563
Group Practice PAC ID
5991603110
Professional Enrollment ID
I20041124000721
Address ID
AZ852584553SC10101STXX401
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness75
Years active:20State licenses:1Digital endpointsOther names

89 CARDIAC ELECTROPHYSIOLOGY in AZ

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Provider Addresses for MARK J SEIFERT (MD)

  • 2500, West Utopia Road, Rose Garden Place, Phoenix, Maricopa County, Arizona, 85027, United States

    STE. 100

    PHOENIX, AZ 850274171

    Phone: (623) 434-6200

    Fax: (623) 434-6164

    Type: Mailing

  • 9250, North 3rd Street, Sunnyslope, Phoenix, Maricopa County, Arizona, 85020, United States

    SUITE 3010

    PHOENIX, AZ 850202425

    Phone: (602) 861-1168

    Fax: (602) 861-1763

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 149 Open Payments records for all available years, with a total value of $8,795.

Total Amount is formed as General ($8,795) + Research ($0) + Ownership ($0) = $8,795.

Last reported payment date: 2024-12-24 • Largest payer in this snapshot: Abbott Laboratories ($4,157).

Total Amount

$8,795

General + Research + Ownership

Payments

149

Total payment records

General Amount

$8,795

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-24

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-11-24

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20041124000721ICardiac ElectrophysiologyAZTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
93296Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days1,647550$0
93294Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days1,267420$0
93298Evaluation of cardiac rhythm monitor system, remote up to 30 days52170$0
G2066Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec52172$0
93295Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days390131$0
View full utilization report →

Insurance plans in this area (ZIP 85027)

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Provider's Procedures

MARK J SEIFERT (MD) performs procedures in CARDIAC ELECTROPHYSIOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
CARDIAC ELECTROPHYSIOLOGYAZ93280Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report935357
CARDIAC ELECTROPHYSIOLOGYAZ93284Evaluation, testing and programming adjustment of defibrillator with analysis, review and report18871

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5991603110View full group profile
NameSpecialtyState
Nurse PractitionerAZ
Internal MedicineAZ
Physician AssistantAZ
Nurse PractitionerAZ
-PA
-AZ
Vascular Surgery, General SurgeryAZ
-AZ
General SurgeryCA
General Surgery, Orthopedic SurgeryAZ

Reviews

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Frequently asked questions

What federal number belongs to MARK J SEIFERT (MD)?
The federal identifier for MARK J SEIFERT (MD) is NPI 1942201694.
Is MARK J SEIFERT (MD) currently active in the NPI registry?
CMS-published data lists MARK J SEIFERT (MD) as an active registrant.
Does MARK J SEIFERT (MD) list a primary specialty?
If you are matching referrals, note Clinical Cardiac Electrophysiology Physician for MARK J SEIFERT (MD). Clinical services aligned with this taxonomy classification.
Where is MARK J SEIFERT (MD)'s primary listing?
We display Phoenix, Arizona because that is what the record indicates for MARK J SEIFERT (MD).
How can I contact MARK J SEIFERT (MD)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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