Doctor profile · Federal record

Dr. John Mitchell, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Ophthalmology Physician · Marshfield, WI

  • NPI 1851310254
  • Accepts Medicare
  • MIPS 76.2 / 100 · 2023
  • 53 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 N Oak Ave
Marshfield, WI 544495703
(715) 387-5511

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 18, 2023
Year of graduation
1973 — 53 yrs since
Specialty taxonomy
207W00000X — NUCC code
State licenses (2)
Wisconsin #73876 · New York #120632
Medicaid
NY #00226375

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851310254. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
398
Distinct HCPCS
7
Medicare allowed
$25,713
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 93 80 $93
92083 Exam of visual field with extended testing 78 67 $26
92133 Imaging of optic nerve 70 58 $21
99215 Established patient office or other outpatient visit, 40-54 minutes 61 56 $137
92134 Imaging of retina 51 51 $24
99213 Established patient office or other outpatient visit, 20-29 minutes 27 25 $63
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $127

In context: peer comparison

Among 4 peers in Marshfield Ophthalmology Physician, average services per provider: 166. This provider delivers 2.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$75
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Amgen INC. 1 $74.61

By nature of payment

Food and Beverage
$75

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
813
Patients
211
Total drug cost
$42,527
Drug Type Claims Patients Total cost
Latanoprost Generic 382 94 $5,814
Brimonidine Tartrate Generic 102 30 $3,022
Timolol Maleate Generic 102 35 $2,366
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 81 24 $1,631
Dorzolamide Hcl Generic 41 11 $1,132
Erythromycin (Erythromycin Base) Brand 26 17 $309
Travoprost Generic 19 0 $3,226
Rhopressa (Netarsudil Mesylate) Brand 15 0 $7,526
Pilocarpine Hcl Generic 12 0 $1,007
Alphagan P (Brimonidine Tartrate) Brand 11 0 $4,095

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Mitchell's medical specialty?
Dr. John Mitchell practices Ophthalmology Physician in Marshfield, WI.
Where does Dr. John Mitchell practice?
Dr. John Mitchell practices at 1000 N Oak Ave, Marshfield, WI 544495703. Office phone: 7153875511.
What is Dr. John Mitchell's NPI?
Dr. John Mitchell's National Provider Identifier (NPI) is 1851310254, issued by NPPES.
Does Dr. John Mitchell accept Medicare assignment?
Yes. Dr. John Mitchell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Mitchell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Exam of visual field with extended testing (HCPCS 92083); Imaging of optic nerve (HCPCS 92133). Source: CMS Medicare Physician & Other Practitioners file.