Unknown Individual – Nephrology Physician, NPI 1598763583

Unknown Individual is a healthcare provider. based in Lowell, Massachusetts. specializing in Nephrology Physician. They hold a License No. 37818 (MA). The NPI Number for Unknown Individual is 1598763583

Main info

Organization
Inactive
58 Years Of Experience
Accepts Medicare Assignment
Name
Unknown Individual
NPI
1598763583
Phone
(978) 453-1811
Address
33 BARTLETT ST STE 108
Deactivation Date
11 January 2022

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9784321811
Graduation Year
1968 (58 years ago)
PAC ID
5698719573
Group Practice PAC ID
1153365168
Professional Enrollment ID
I20110224000798
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience19
Completeness75
Years active:0State licenses:1Digital endpointsOther names

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Provider Addresses for Unknown Individual

  • 108, Bartlett Street, Belvidere, Lowell, Middlesex County, Massachusetts, 01852, United States

    LOWELL, MA 018521300

    Phone: (978) 453-1811

    Fax: (978) 452-9111

    Type: Mailing

  • 33, Bartlett Street, Centralville, Lowell, Middlesex County, Massachusetts, 01825, United States

    SUITE 108

    LOWELL, MA 018521334

    Phone: (978) 453-1811

    Fax: (978) 452-9111

    Type: Location

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.

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 01852)

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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: 1153365168View full group profile
NameSpecialtyState
Nephrology, Internal MedicineMA
N E P H R O L O G YMA
Nephrology, Internal MedicineCA
Nephrology, Internal Medicine, Critical Care (Intensivists)MA

Reviews

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Frequently asked questions

How do I look up Unknown Individual by NPI?
Use NPI 1598763583 when you need to reference Unknown Individual in forms, claims, or directories.
Is Unknown Individual's inactive status permanent?
An inactive NPI does not by itself prove someone stopped practicing — check other sources.
What does Unknown Individual treat or focus on?
Patients typically see Unknown Individual under the specialty Nephrology Physician. Clinical services aligned with this taxonomy classification.
What location metadata exists for Unknown Individual?
The page summarizes Lowell, Massachusetts for Unknown Individual; expand the address list for detail.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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