DR. MARC ALAN SIMON (MD) – Advanced Heart Failure and Transplant Cardiology Physician, NPI 1346215449

DR. MARC ALAN SIMON (MD) is a healthcare provider. based in San francisco, California. specializing in ADVANCED HEART FAILURE AND TRANSPLANT CARDIOLOGY, INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. MD420221 (PA). The NPI Number for DR. MARC ALAN SIMON (MD) is 1346215449

Main info

Male
28 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARC ALAN SIMON (MD)
NPI
1346215449
Phone
(415) 353-3109
Address
535 MISSION BAY BLVD S
Enumeration Date
22 February 2006
Last Update Date
14 October 2021

Doctor Profile

Medical School Name
UNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Secondary Phone
4154764029
Graduation Year
1998 (28 years ago)
PAC ID
7810933611
Group Practice PAC ID
4284547274
Professional Enrollment ID
I20210324002562
Address ID
CA941432204SA505XXAVEX300
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience83
Completeness75
Years active:20State licenses:2Digital endpointsOther names

100 ADVANCED HEART FAILURE AND TRANSPLANT CARDIOLOGY in CA

Provider Addresses for DR. MARC ALAN SIMON (MD)

  • 535 MISSION BAY BLVD S

    SAN FRANCISCO, CA 941432156

    Phone: (415) 353-3109

    Fax: (415) 353-2528

    Type: Location

  • 535 MISSION BLVD, SOUTH

    SAN FRANCISCO, CA 94143

    Phone: (415) 353-3109

    Fax: (415) 353-2528

    Type: Mailing

  • UPMC Presbyterian Hospital, 200, Lothrop Street, West Oakland, Pittsburgh, Allegheny County, Pennsylvania, 15213, United States

    PUH G304

    PITTSBURGH, PA 152132546

    Phone: (412) 647-2572

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 87 Open Payments records for all available years, with a total value of $35,979.

Total Amount is formed as General ($35,979) + Research ($0) + Ownership ($0) = $35,979.

Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Actelion Pharmaceuticals US, Inc. ($20,459).

Total Amount

$35,979

General + Research + Ownership

Payments

87

Total payment records

General Amount

$35,979

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-17

Latest reported date

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: 2021-03-24

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

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
I20050701000416ICardiovascular Disease (Cardiology)PATBD
I20210324002562IAdvanced Heart Failure And Transplant CardiologyCATBD

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
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes15438$0
99215Established patient office or other outpatient visit, 40-54 minutes7759$0
99291Critical care, first 30-74 minutes3114$0
99205New patient office or other outpatient visit, 60-74 minutes2828$0
99214Established patient office or other outpatient visit, 30-39 minutes2423$0
View full utilization report →

Insurance plans in this area (ZIP 94143)

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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: 4284547274View full group profile
NameSpecialtyState
Hospitalist, Internal MedicineCA
Internal Medicine, Interventional CardiologyMD
Hospitalist, Internal MedicineCA
Internal MedicinePA
Hematology/Oncology, Internal MedicineCA
Internal Medicine, Cardiovascular Disease (Cardiology)MA
Hospitalist, Internal MedicineIL
Internal MedicineCA
Hospitalist, Internal Medicine, Hospice/Palliative CareCA
Internal Medicine, Interventional Cardiology, Cardiovascular Disease (Cardiology)IL

Reviews

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Frequently asked questions

What NPI should I save for DR. MARC ALAN SIMON (MD)?
Save NPI 1346215449 if you need a stable reference for DR. MARC ALAN SIMON (MD).
Is DR. MARC ALAN SIMON (MD)'s NPI currently valid?
The extract we use shows DR. MARC ALAN SIMON (MD) as active.
What field does DR. MARC ALAN SIMON (MD) work in?
You can think of DR. MARC ALAN SIMON (MD) as practicing within Advanced Heart Failure and Transplant Cardiology Physician. Clinical services aligned with this taxonomy classification.
Does DR. MARC ALAN SIMON (MD) practice in California?
You will see San Francisco, California on file for DR. MARC ALAN SIMON (MD) alongside any extra practice locations.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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