Doctor profile · Federal record

Dr. Jennafer Ziemer, OD

Optometrist (CMS: Optometry) · Oshkosh, WI

  • NPI 1700550886
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
251 N Sawyer St
Oshkosh, WI 549024251
(920) 235-5530

Credentials & registration

NPPES · NUCC
NPI registered
August 2021 — 5 yrs on file
Profile last updated
September 14, 2021
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Wisconsin #3699-35

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700550886. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
54
Distinct HCPCS
3
Medicare allowed
$5,446
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 29 29 $100
99213 Established patient office or other outpatient visit, 20-29 minutes 13 11 $85
92004 New patient complete exam of visual system 12 12 $119

In context: peer comparison

Among 10 peers in this city , average services per provider: 174. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$136
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 2 $115.67
Johnson & Johnson Vision Care, Inc. 1 $20.69

By nature of payment

Food and Beverage
$136

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
19
Patients
0
Total drug cost
$241
Drug Type Claims Patients Total cost
Latanoprost Generic 19 0 $241

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennafer Ziemer's medical specialty?
Dr. Jennafer Ziemer practices Optometrist in Oshkosh, WI.
Where does Dr. Jennafer Ziemer practice?
Dr. Jennafer Ziemer practices at 251 N Sawyer St, Oshkosh, WI 549024251. Office phone: 9202355530.
What is Dr. Jennafer Ziemer's NPI?
Dr. Jennafer Ziemer's National Provider Identifier (NPI) is 1700550886, issued by NPPES.
Does Dr. Jennafer Ziemer accept Medicare assignment?
Yes. Dr. Jennafer Ziemer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennafer Ziemer 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 99213); New patient complete exam of visual system (HCPCS 92004). Source: CMS Medicare Physician & Other Practitioners file.