Unknown Individual – Pulmonary Disease Physician, NPI 1720055536

Unknown Individual is a healthcare provider. based in Waltham, Massachusetts. specializing in Pulmonary Disease Physician. They hold a License No. 37624 (MA). The NPI Number for Unknown Individual is 1720055536

Main info

Organization
Inactive
Name
Unknown Individual
NPI
1720055536
Phone
(781) 899-8778
Address
6 LEXINGTON ST
Deactivation Date
6 May 2022
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

  • 6, Lexington Street, Central Square, Waltham, Middlesex County, Massachusetts, 02452, United States

    2ND FLOOR

    WALTHAM, MA 024524401

    Phone: (781) 899-8778

    Fax: (781) 899-0300

    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.

No Medicare enrollment or revalidation data available for this provider in our database.

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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 02452)

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Reviews

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Frequently asked questions

What is Unknown Individual's NPI number?
Unknown Individual's NPI is 1720055536 — the number used across U.S. healthcare to identify this provider.
Does inactive status mean Unknown Individual stopped practicing?
Inactive registry status can reflect deactivation, consolidation, or data lag.
What area of care is associated with Unknown Individual?
Unknown Individual's record emphasizes Pulmonary Disease Physician. Clinical services aligned with this taxonomy classification.
Is Unknown Individual associated with Waltham?
Public fields place Unknown Individual around Waltham, Massachusetts. Always confirm the exact site before visiting.
When was this NPI issued?
Enumeration for Unknown Individual is noted as not shown in this record where the registry provides it.

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