Unknown Individual – Cardiovascular Disease Physician, NPI 1851386445

Unknown Individual is a healthcare provider. based in Springfield, Massachusetts. specializing in Cardiovascular Disease Physician. They hold a License No. 40953 (MA). The NPI Number for Unknown Individual is 1851386445

Main info

Organization
Inactive
Name
Unknown Individual
NPI
1851386445
Phone
(413) 781-5735
Address
2 MEDICAL CENTER DR
Deactivation Date
23 April 2026
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience14
Completeness75
Years active:0State licenses:1Digital endpointsOther names

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Provider Addresses for Unknown Individual

  • 2, Medical Center Drive, North End, Memorial Square, Springfield, Hampden County, Massachusetts, 01199, United States

    SUITE 410

    SPRINGFIELD, MA 011071270

    Phone: (413) 781-5735

    Fax: (413) 732-0225

    Type: Location

  • 217, Farmington Road, Longmeadow, Hampden County, Massachusetts, 01106, United States

    LONGMEADOW, MA 011061517

    Phone: (413) 567-8213

    Type: Mailing

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.

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
I20060503000579ICardiovascular 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 01107)

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Reviews

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Frequently asked questions

What unique ID ties claims to Unknown Individual?
NPI 1851386445 is assigned to Unknown Individual under the national enumeration system.
What is the next step if Unknown Individual is inactive?
Treat inactive as a signal to verify Unknown Individual through official channels.
Does Unknown Individual list a primary specialty?
If you are matching referrals, note Cardiovascular Disease Physician for Unknown Individual. Clinical services aligned with this taxonomy classification.
Where is Unknown Individual's primary listing?
We display Springfield, Massachusetts because that is what the record indicates for Unknown Individual.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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