Doctor profile · Federal record

Dr. Alexandra Larson, M.D.

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Marshfield, WI

  • NPI 1992090468
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
701 W Kalsched St
Marshfield, WI 544491334
(715) 221-6110
Additional location
303 E Chicago Ave, W127 Ward 3-140 Northwestern University
Chicago, IL 606113072
(312) 503-8144
Mailing address
1320 N Shawano Dr
Marshfield, WI 544491346

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
February 27, 2018
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
Illinois #125059458

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992090468. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
701
Distinct HCPCS
8
Medicare allowed
$25,014
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 334 197 $35
88341 Special stained specimen slides to examine tissue, each additional procedure 159 35 $27
88342 Special stained specimen slides to examine tissue, initial procedure 81 74 $33
88307 Pathology examination of tissue using a microscope, moderately high complexity 59 31 $74
88304 Pathology examination of tissue using a microscope, moderately low complexity 22 18 $10
88104 Cell examination of body fluid, smears 18 18 $24
88173 Evaluation of fine needle aspirate with interpretation and report 17 12 $66
85060 Blood smear interpretation by physician with written report 11 11 $21

In context: peer comparison

Among 6 peers in Marshfield Anatomic Pathology & Clinical Pathology Physician, average services per provider: 196. This provider delivers 3.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexandra Larson's medical specialty?
Dr. Alexandra Larson practices Anatomic Pathology & Clinical Pathology Physician in Marshfield, WI.
Where does Dr. Alexandra Larson practice?
Dr. Alexandra Larson practices at 701 W Kalsched St, Marshfield, WI 544491334. Office phone: 7152216110.
What is Dr. Alexandra Larson's NPI?
Dr. Alexandra Larson's National Provider Identifier (NPI) is 1992090468, issued by NPPES.
Does Dr. Alexandra Larson accept Medicare assignment?
Yes. Dr. Alexandra Larson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexandra Larson 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); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.