Doctor profile · Federal record

Dr. Yan Guo

Ophthalmology Physician (CMS: Ophthalmology) · Student in an Organized Health Care Education/Training Program · Marshfield, WI

  • NPI 1184816696
  • Accepts Medicare
  • MIPS 94.1 / 100 · 2023
  • 35 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
1000 N Oak Ave
Marshfield, WI 544495703
(919) 637-4712
Additional location
420 Delaware St S.E., Ophthalmology,Mmc 493,
Minneapolis, MN 554550501
(612) 625-4400
Mailing address
2101 Spencer St
Marshfield, WI 544498888

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
June 16, 2018
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207W00000X — NUCC code
State licenses (2)
Wisconsin #54774-020 · Minnesota #20007

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184816696. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,792
Distinct HCPCS
10
Medicare allowed
$447,247
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 1,049 839 $125
92133 Imaging of optic nerve 522 475 $36
99214 Established patient office or other outpatient visit, 30-39 minutes 372 294 $126
92250 Photography of the retina 310 300 $34
92083 Exam of visual field with extended testing 308 296 $61
99213 Established patient office or other outpatient visit, 20-29 minutes 235 184 $89
92020 Exam of the internal drainage system of eye 171 149 $27
66984 Removal of cataract with insertion of prosthetic lens 131 76 $527
92136 Measurement of corneal curvature and depth of eye 111 108 $47
65855 Laser repair to improve eye fluid flow 106 68 $239

In context: peer comparison

Among 4 peers in Marshfield Ophthalmology Physician, average services per provider: 166. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$385
Transactions
14
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 4 $162.99
Abbvie INC. 3 $90.25
Bausch & Lomb Americas INC. 3 $50.75
Oyster Point Pharma, INC. 1 $26.81
Thea Pharma INC. 1 $21.12
Sun Pharmaceutical Industries INC. 1 $19.44
Sight Sciences, INC. 1 $13.18

By nature of payment

Food and Beverage
$385

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,714
Patients
1,066
Total drug cost
$215,842
Drug Type Claims Patients Total cost
Latanoprost Generic 740 211 $14,253
Prednisolone Acetate Generic 368 222 $18,441
Brimonidine Tartrate Generic 286 85 $13,006
Timolol Maleate Generic 229 70 $6,890
Ketorolac Tromethamine Generic 214 142 $5,649
Dorzolamide Hcl Generic 196 54 $5,984
Ofloxacin Generic 170 115 $2,452
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 125 36 $3,428
Lumigan (Bimatoprost) Brand 111 33 $63,874
Rhopressa (Netarsudil Mesylate) Brand 64 18 $33,404

Frequently asked questions

Auto-generated from federal data
What is Dr. Yan Guo's medical specialty?
Dr. Yan Guo practices Ophthalmology Physician in Marshfield, WI.
Where does Dr. Yan Guo practice?
Dr. Yan Guo practices at 1000 N Oak Ave, Marshfield, WI 544495703. Office phone: 9196374712.
What is Dr. Yan Guo's NPI?
Dr. Yan Guo's National Provider Identifier (NPI) is 1184816696, issued by NPPES.
Does Dr. Yan Guo accept Medicare assignment?
Yes. Dr. Yan Guo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yan Guo commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Imaging of optic nerve (HCPCS 92133); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.