Doctor profile · Federal record

Dr. Aparna Mahajan, MBBS

Clinical Pathology/Laboratory Medicine Physician (CMS: Pathology) · Cytopathology Physician · Madison, WI

  • NPI 1083803480
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 Highland Ave
Madison, WI 537920001
(608) 263-3663
fax (608) 833-6965
Mailing address
7974 Uw Health CT
Middleton, WI 535625531

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
January 15, 2021
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207ZP0105X — NUCC code
State license (1)
Wisconsin #61113

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083803480. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,036
Distinct HCPCS
10
Medicare allowed
$41,090
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 309 218 $35
88112 Cell examination of specimen, selective cellular enhancement technique 239 213 $26
88360 Microscopic genetic analysis of tumor, manual 118 32 $40
88173 Evaluation of fine needle aspirate with interpretation and report 104 62 $66
88307 Pathology examination of tissue using a microscope, moderately high complexity 74 31 $78
88341 Special stained specimen slides to examine tissue, each additional procedure 69 25 $27
88342 Special stained specimen slides to examine tissue, initial procedure 68 46 $32
G0124 Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physician 15 15 $22
88309 Pathology examination of tissue using a microscope, high complexity 14 13 $137
88108 Cell examination of specimen, concentration technique 13 13 $21

In context: peer comparison

Among 23 peers in this city , average services per provider: 123. This provider delivers 8.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aparna Mahajan's medical specialty?
Dr. Aparna Mahajan practices Clinical Pathology/Laboratory Medicine Physician in Madison, WI.
Where does Dr. Aparna Mahajan practice?
Dr. Aparna Mahajan practices at 600 Highland Ave, Madison, WI 537920001. Office phone: 6082633663.
What is Dr. Aparna Mahajan's NPI?
Dr. Aparna Mahajan's National Provider Identifier (NPI) is 1083803480, issued by NPPES.
Does Dr. Aparna Mahajan accept Medicare assignment?
Yes. Dr. Aparna Mahajan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aparna Mahajan commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Cell examination of specimen, selective cellular enhancement technique (HCPCS 88112); Microscopic genetic analysis of tumor, manual (HCPCS 88360). Source: CMS Medicare Physician & Other Practitioners file.