Doctor profile · Federal record

Dr. Aaron Phelan

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Student in an Organized Health Care Education/Training Program · Indianapolis, IN

  • NPI 1861873960
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 11 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
350 W 11Th St, Room 4083
Indianapolis, IN 462024108
(317) 491-6213
fax (317) 491-6411
Mailing address
913 N Dixie Ave
Elizabethtown, KY 427012503

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
July 15, 2020
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (2)
Kentucky #TP166 · Indiana #11018256A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861873960. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,251
Distinct HCPCS
10
Medicare allowed
$110,901
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 1,583 826 $34
88341 Special stained specimen slides to examine tissue, each additional procedure 389 91 $26
88108 Cell examination of specimen, concentration technique 265 170 $21
88342 Special stained specimen slides to examine tissue, initial procedure 152 129 $32
88173 Evaluation of fine needle aspirate with interpretation and report 138 77 $65
88307 Pathology examination of tissue using a microscope, moderately high complexity 124 76 $74
88312 Special stained specimen slides to identify organisms including interpretation and report 115 75 $24
88360 Microscopic genetic analysis of tumor, manual 104 33 $39
88304 Pathology examination of tissue using a microscope, moderately low complexity 92 86 $11
88311 Preparation of tissue for examination by removing any calcium present 52 43 $11

In context: peer comparison

Among 29 peers in this city , average services per provider: 144. This provider delivers 23× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Phelan's medical specialty?
Dr. Aaron Phelan practices Anatomic Pathology & Clinical Pathology Physician in Indianapolis, IN.
Where does Dr. Aaron Phelan practice?
Dr. Aaron Phelan practices at 350 W 11Th St, Indianapolis, IN 462024108. Office phone: 3174916213.
What is Dr. Aaron Phelan's NPI?
Dr. Aaron Phelan's National Provider Identifier (NPI) is 1861873960, issued by NPPES.
Does Dr. Aaron Phelan accept Medicare assignment?
Yes. Dr. Aaron Phelan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Phelan commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Cell examination of specimen, concentration technique (HCPCS 88108). Source: CMS Medicare Physician & Other Practitioners file.