Unknown Individual – Internal Medicine Physician, NPI 1578561809

Unknown Individual is a healthcare provider. based in Worcester, Massachusetts. specializing in Internal Medicine Physician. They hold a License No. 54005 (MA). The NPI Number for Unknown Individual is 1578561809

Main info

Organization
Inactive
43 Years Of Experience
Accepts Medicare Assignment
Name
Unknown Individual
NPI
1578561809
Phone
(508) 754-3566
Address
340 MAIN ST
Deactivation Date
26 July 2023

Doctor Profile

Medical School Name
UNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Secondary Phone
7813563336
Graduation Year
1983 (43 years ago)
PAC ID
9830145036
Group Practice PAC ID
4981915659
Professional Enrollment ID
I20050330000447
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

  • 340, Main Street, Leominster, Worcester County, Massachusetts, 01453, United States

    STE. 670

    WORCESTER, MA 016081604

    Phone: (508) 754-3566

    Fax: (508) 438-6368

    Type: Mailing

  • Lincoln School, 61, Lincoln Street, Framingham, Middlesex County, Massachusetts, 01702, United States

    SUITE 301

    FRAMINGHAM, MA 017028264

    Phone: (508) 879-0077

    Fax: (508) 875-1005

    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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes125105$0
99213Established patient office or other outpatient visit, 20-29 minutes6152$0
90677Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use5252$0
G0009Administration of pneumococcal vaccine5252$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit4343$0
View full utilization report →

Insurance plans in this area (ZIP 01608)

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Provider's Procedures

Unknown Individual performs procedures in Internal Medicine Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEMA83036Hemoglobin A1C level3528

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: 4981915659View full group profile
NameSpecialtyState
-MA
Internal MedicineMA
Internal MedicineMA
Clinical Social WorkerRI
Nurse PractitionerMA
Internal MedicineMA
Nurse PractitionerMA
Internal MedicineMA
Nurse PractitionerMA
-MA

Reviews

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Frequently asked questions

Is Unknown Individual listed with a National Provider Identifier?
Yes — Unknown Individual has NPI 1578561809 on file in the registry.
Is inactive the same as retired for Unknown Individual?
Inactive registry status can reflect deactivation, consolidation, or data lag.
How would a patient describe Unknown Individual's focus?
For Unknown Individual, the primary taxonomy reads as Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Is Unknown Individual associated with Worcester?
Public fields place Unknown Individual around Worcester, 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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