Doctor profile · Federal record

Dr. Mark Wellnitz, O.D.

Optometrist (CMS: Optometry) · Glencoe, MN

  • NPI 1528374600
  • Accepts Medicare
  • MIPS 89.3 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1201 Greeley Ave N # 3
Glencoe, MN 553362135
(320) 864-2020
fax (320) 864-6678
Additional location
304 W Highway 212
Norwood Young America, MN 553689775
(952) 467-2250
fax (952) 467-2270
Mailing address
330 Monroe St Ne, Apt 2
Minneapolis, MN 554132364

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
March 11, 2019
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Minnesota #3209

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528374600. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
65
Distinct HCPCS
3
Medicare allowed
$5,742
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 28 28 $128
99212 Established patient office or other outpatient visit, 10-19 minutes 26 22 $56
92083 Exam of visual field with extended testing 11 11 $64

In context: peer comparison

Among 1 peers in Glencoe Optometrist, average services per provider: 21. This provider delivers 3.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 1 $16.40

By nature of payment

Food and Beverage
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
363
Patients
90
Total drug cost
$8,934
Drug Type Claims Patients Total cost
Latanoprost Generic 228 57 $5,487
Dorzolamide Hcl Generic 35 11 $825
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 29 22 $393
Timolol Maleate Generic 26 0 $368
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 25 0 $1,061
Brimonidine Tartrate Generic 20 0 $800

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Wellnitz's medical specialty?
Dr. Mark Wellnitz practices Optometrist in Glencoe, MN.
Where does Dr. Mark Wellnitz practice?
Dr. Mark Wellnitz practices at 1201 Greeley Ave N # 3, Glencoe, MN 553362135. Office phone: 3208642020.
What is Dr. Mark Wellnitz's NPI?
Dr. Mark Wellnitz's National Provider Identifier (NPI) is 1528374600, issued by NPPES.
Does Dr. Mark Wellnitz accept Medicare assignment?
Yes. Dr. Mark Wellnitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Wellnitz commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99212); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.