MARK PORWAY (MD) – Cardiovascular Disease Physician, NPI 1992765036

MARK PORWAY (MD) is a healthcare provider. based in Northampton, Massachusetts. specializing in Cardiovascular Disease Physician. They hold the professional credentials MD. They hold a License No. 58063 (MA). The NPI Number for MARK PORWAY (MD) is 1992765036

Main info

Male
49 Years Of Experience
Accepts Medicare Assignment
Name
MARK PORWAY (MD)
NPI
1992765036
Phone
(413) 570-4900
Address
22 ATWOOD DR
Enumeration Date
24 March 2006
Last Update Date
15 April 2015

Doctor Profile

Medical School Name
ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Secondary Phone
4135869866
Graduation Year
1977 (49 years ago)
PAC ID
5799676326
Group Practice PAC ID
2567359839
Professional Enrollment ID
I20040323001159
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for MARK PORWAY (MD)

  • 22, Atwood Drive, Northampton, Hampshire, Massachusetts, 01060, United States

    SUITE 301

    NORTHAMPTON, MA 010604272

    Phone: (413) 570-4900

    Fax: (413) 570-4196

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2004-03-23

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
I20040323001159ICardiovascular Disease (Cardiology)MATBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 01060)

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Provider's Procedures

MARK PORWAY (MD) performs procedures in Cardiovascular Disease Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
CARDIOVASCULAR DISEASE (CARDIOLOGY)MA93010Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report979720
CARDIOVASCULAR DISEASE (CARDIOLOGY)MA93280Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report2518
CARDIOVASCULAR DISEASE (CARDIOLOGY)MA93458Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart2121

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: 2567359839View full group profile
NameSpecialtyState
Physician AssistantMA
-MA
Physician AssistantMA
-MA
Physician AssistantMA
Family PracticeMA
Family PracticeMA
Certified Nurse Midwife (Cnm)MA
Nurse PractitionerMA
-MA

Reviews

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Frequently asked questions

What number should I use to identify MARK PORWAY (MD) for billing?
Administrative and clinical systems typically use NPI 1992765036 for MARK PORWAY (MD).
Is MARK PORWAY (MD)'s NPI status active today?
Active status means MARK PORWAY (MD)'s NPI record is not deactivated in the public file.
What type of care does MARK PORWAY (MD) provide?
MARK PORWAY (MD)'s profile centers on Cardiovascular Disease Physician. Clinical services aligned with this taxonomy classification.
Can patients visit MARK PORWAY (MD) in Northampton, Massachusetts?
For routing, start with Northampton, Massachusetts for MARK PORWAY (MD), then verify phone and hours locally.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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