Doctor profile · Federal record

Dr. W Marsh, M.D.

Neurological Surgery Physician (CMS: Neurosurgery) · Neurological Surgery Physician · Rochester, MN

  • NPI 1346220407
  • Accepts Medicare
  • 49 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
200 1St St Sw
Rochester, MN 559050001
(507) 284-2511
Additional location
1400 Bellinger St
Eau Claire, WI 547035222
(715) 838-5222

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
August 18, 2020
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (2)
Minnesota #24339 · Wisconsin #43335

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346220407. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
320
Distinct HCPCS
6
Medicare allowed
$40,214
HCPCS Description Services Patients Avg allowed
99203 New patient office or other outpatient visit, 30-44 minutes 107 107 $110
99213 Established patient office or other outpatient visit, 20-29 minutes 78 68 $90
99212 Established patient office or other outpatient visit, 10-19 minutes 70 51 $56
99202 New patient office or other outpatient visit, 15-29 minutes 35 34 $72
63048 Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 17 13 $189
63047 Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 13 13 $907

In context: peer comparison

Among 7 peers in Rochester Neurological Surgery Physician, average services per provider: 36. This provider delivers 8.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
40
Patients
0
Total drug cost
$313
Drug Type Claims Patients Total cost
Gabapentin Generic 25 0 $241
Oxycodone Hcl Generic 15 0 $71

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. W Marsh's medical specialty?
Dr. W Marsh practices Neurological Surgery Physician in Rochester, MN.
Where does Dr. W Marsh practice?
Dr. W Marsh practices at 200 1St St Sw, Rochester, MN 559050001. Office phone: 5072842511.
What is Dr. W Marsh's NPI?
Dr. W Marsh's National Provider Identifier (NPI) is 1346220407, issued by NPPES.
Does Dr. W Marsh accept Medicare assignment?
Yes. Dr. W Marsh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. W Marsh commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.