Unknown Individual – Internal Medicine Physician, NPI 1679551139

Unknown Individual is a healthcare provider. based in Buffalo grove, Illinois. specializing in Internal Medicine Physician. They hold a License No. 036073401 (IL). The NPI Number for Unknown Individual is 1679551139

Main info

Organization
Inactive
41 Years Of Experience
Accepts Medicare Assignment
Name
Unknown Individual
NPI
1679551139
Phone
(847) 459-7860
Address
1450 BUSCH PKWY STE 100
Deactivation Date
13 September 2023

Doctor Profile

Medical School Name
OTHER
Secondary Phone
-
Graduation Year
1985 (41 years ago)
PAC ID
5092755082
Group Practice PAC ID
3375737331
Professional Enrollment ID
I20050510000174
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

  • Busch Parkway, Buffalo Grove, Illinois, 60089, United States

    BUFFALO GROVE, IL 600894541

    Phone: (847) 459-7860

    Fax: (847) 459-4228

    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.

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 60089)

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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 MEDICINEIL90670Pneumococcal vaccine for injection into muscle9696

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: 3375737331View full group profile

Reviews

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Frequently asked questions

Is Unknown Individual listed with a National Provider Identifier?
Yes — Unknown Individual has NPI 1679551139 on file in the registry.
Can Unknown Individual still bill if the NPI is inactive?
Do not rely on inactive status alone — contact the provider for confirmation.
What clinical focus is listed for Unknown Individual?
At a glance, Unknown Individual is tied to Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with Unknown Individual?
Directory geography for Unknown Individual centers on Buffalo Grove, Illinois.
Can I trust this NPI listing for Unknown Individual?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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