JAMES D SIEBERT – Anatomic Pathology & Clinical Pathology Physician, NPI 1295768984

JAMES D SIEBERT is a healthcare provider. based in Mequon, Wisconsin. specializing in Anatomic Pathology & Clinical Pathology Physician. The NPI Number for JAMES D SIEBERT is 1295768984

Main info

Male
37 Years Of Experience
Accepts Medicare Assignment
Name
JAMES D SIEBERT
NPI
1295768984
Phone
Not provided
Address
10335 N PORT WASHINGTON RD
Enumeration Date
8 July 2006
Last Update Date
30 October 2007

Doctor Profile

Medical School Name
OHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Secondary Phone
3096552000
Graduation Year
1989 (37 years ago)
PAC ID
4284675505
Group Practice PAC ID
9133160450
Professional Enrollment ID
I20050629000585
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience43
Completeness75
Years active:19State licenses:0Digital endpointsOther names

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Provider Addresses for JAMES D SIEBERT

  • 10335, North Port Washington Road, Mequon, Ozaukee County, Wisconsin, 53092, United States

    MEQUON, WI 530925763

    Phone:

    Type: Mailing

  • Saint Francis Medical Center, 530, Northeast Glen Oak Avenue, Peoria, Peoria County, Illinois, 61637, United States

    PEORIA, IL 616370001

    Phone: (309) 624-9011

    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.

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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 53092)

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Provider's Procedures

JAMES D SIEBERT performs procedures in Anatomic Pathology & Clinical Pathology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PATHOLOGYIL88304Pathology examination of tissue using a microscope, moderately low complexity5451
PATHOLOGYIL88307Pathology examination of tissue using a microscope, moderately high complexity8362
PATHOLOGYIL88342Tissue or cell analysis by immunologic technique8681

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: 9133160450View full group profile
NameSpecialtyState
P A T H O L O G YIL
P A T H O L O G YIL
P A T H O L O G YIL
-MN
P A T H O L O G YIL
-WI
P A T H O L O G YNC
P A T H O L O G YNY
Pathology, Nuclear MedicineIL
P A T H O L O G YWI

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Frequently asked questions

Does JAMES D SIEBERT share an NPI with anyone else?
NPI numbers are unique to each provider or organization — JAMES D SIEBERT uses 1295768984.
Is JAMES D SIEBERT still practicing?
JAMES D SIEBERT is currently listed as active in the public NPI registry.
What taxonomy line describes JAMES D SIEBERT?
For research purposes, treat JAMES D SIEBERT as Anatomic Pathology & Clinical Pathology Physician in this dataset. Clinical services aligned with this taxonomy classification.
Does JAMES D SIEBERT list a practice location?
Patients near Mequon, Wisconsin may find JAMES D SIEBERT in results; validate coverage separately.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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