What is Aaron Phelan's NPI number?

Aaron Phelan's National Provider Identifier (NPI) is 1861873960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Aaron Phelan's specialty?

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

Where is Aaron Phelan located?

Aaron Phelan's practice location on file with NPPES is 350 W 11th St, Indianapolis, IN 46202-4108.

What is Aaron Phelan's phone number?

The practice phone number listed in the NPPES registry for Aaron Phelan is (317) 491-6213.

Does Aaron Phelan accept Medicare?

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

Is Aaron Phelan's NPI active?

Yes — Aaron Phelan's NPI (1861873960) is active in the NPPES registry as of the last update on 2020-07-15.

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Aaron Phelan

NPI 1861873960 · Anatomic Pathology & Clinical Pathology Physician · Indianapolis, IN

Aaron Phelan is a Anatomic Pathology & Clinical Pathology Physician provider in Indianapolis, IN (NPI 1861873960).

Provider details

NPI number: 1861873960
Entity type: Individual
Primary specialty: Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: Yes
License: 11018256A (IN)

Practice location

350 W 11th St

Room 4083

Indianapolis, IN 46202-4108

Phone: (317) 491-6213

Fax: (317) 491-6411

Street-level locationGet directions

Mailing address

913 N Dixie Ave

Elizabethtown, KY 42701-2503

Specialties & taxonomies

Anatomic Pathology & Clinical Pathology PhysicianPrimary207ZP0102XLicense TP166 (KY)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000XLicense 11018256A (IN)
Student, Health Care

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

Profile Score

Detailed profile(78/100 index)

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

Registry tenure28% of score
11 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
3,771 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	1,957	$34
Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341	533	$25
Cell Examination of Specimen, Concentration Technique88108	263	$20
Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342	196	$32
Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307	147	$74
Evaluation of Fine Needle Aspirate With Interpretation and Report88173	133	$63

Enumerated: 2015-06-15
Last updated: 2020-07-15
Certified: 2020-07-15

Frequently asked questions

What is Aaron Phelan's NPI number?: Aaron Phelan's National Provider Identifier (NPI) is 1861873960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Aaron Phelan's specialty?: Aaron Phelan is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
Where is Aaron Phelan located?: Aaron Phelan's practice location on file with NPPES is 350 W 11th St, Indianapolis, IN 46202-4108.
What is Aaron Phelan's phone number?: The practice phone number listed in the NPPES registry for Aaron Phelan is (317) 491-6213.
Does Aaron Phelan accept Medicare?: Aaron Phelan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Aaron Phelan's NPI active?: Yes — Aaron Phelan's NPI (1861873960) is active in the NPPES registry as of the last update on 2020-07-15.

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)