What is Bruce Arnold's NPI number?

Bruce Arnold's National Provider Identifier (NPI) is 1164400438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Bruce Arnold's specialty?

Bruce Arnold is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).

Where is Bruce Arnold located?

Bruce Arnold's practice location on file with NPPES is 525 E Grant St, Macomb, IL 61455-3313.

What is Bruce Arnold's phone number?

The practice phone number listed in the NPPES registry for Bruce Arnold is (309) 837-5368.

Does Bruce Arnold accept Medicare?

Bruce Arnold is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Bruce Arnold's NPI active?

Yes — Bruce Arnold's NPI (1164400438) is active in the NPPES registry as of the last update on 2013-04-19.

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Bruce Arnold, M.D.

NPI 1164400438 · Anatomic Pathology & Clinical Pathology Physician · Macomb, IL

Bruce Arnold, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Macomb, IL (NPI 1164400438).

Provider details

NPI number: 1164400438
Entity type: Individual
Primary specialty: Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: 36109158 (IL)

Practice location

525 E Grant St

Macomb, IL 61455-3313

Phone: (309) 837-5368

Fax: (319) 233-0722

Street-level locationGet directions

More IL providers

Mailing address

Po Box 2660

Waterloo, IA 50704-2660

Specialties & taxonomies

Anatomic Pathology & Clinical Pathology PhysicianPrimary207ZP0102XLicense 36109158 (IL)
Allopathic & Osteopathic Physicians
Anatomic Pathology & Clinical Pathology Physician207ZP0102XLicense 35121 (IA)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(74/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
20 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
1 documented practice location
Medicare service volume (vs. specialty peers)28% of score
1,274 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305	1,027	$35
Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312	130	$25
Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313	30	$12
Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307	21	$77
Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304	19	$11
Evaluation of Fine Needle Aspirate88172	18	$33

Enumerated: 2006-01-05
Last updated: 2013-04-19

Frequently asked questions

What is Bruce Arnold's NPI number?: Bruce Arnold's National Provider Identifier (NPI) is 1164400438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Bruce Arnold's specialty?: Bruce Arnold is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
Where is Bruce Arnold located?: Bruce Arnold's practice location on file with NPPES is 525 E Grant St, Macomb, IL 61455-3313.
What is Bruce Arnold's phone number?: The practice phone number listed in the NPPES registry for Bruce Arnold is (309) 837-5368.
Does Bruce Arnold accept Medicare?: Bruce Arnold is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Bruce Arnold's NPI active?: Yes — Bruce Arnold's NPI (1164400438) is active in the NPPES registry as of the last update on 2013-04-19.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)