Doctor profile · Federal record
Dr. Kay Zier, APNP
Nurse Practitioner · Oshkosh, WI
- NPI 1053859942
- Accepts Medicare
- 11 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
855 N Westhaven Dr
Oshkosh, WI 549047668
(920) 303-8700
fax (920) 456-5711 - Mailing address
-
Po Box 735044
Chicago, IL 606735044
Credentials & registration
- NPI registered
- February 2017 — 9 yrs on file
- Profile last updated
- March 18, 2026
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Wisconsin #6884-033
- Medicaid
- WI #100065400
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1053859942. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
132
Distinct HCPCS
2
Medicare allowed
$12,549
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 84 | 52 | $104 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 48 | 13 | $79 |
In context: peer comparison
Among 28 peers in Oshkosh Nurse Practitioner, average services per provider: 48. This provider delivers 2.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
132
Patients
37
Total drug cost
$4,736
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefadroxil | Generic | 53 | 13 | $2,318 |
| Doxycycline Hyclate | Generic | 23 | 12 | $1,511 |
| Azithromycin | Generic | 18 | 12 | $201 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 14 | 0 | $294 |
| Ciprofloxacin Hcl | Generic | 13 | 0 | $142 |
| Penicillin V Potassium | Generic | 11 | 0 | $270 |
Hospital affiliations
Frequently asked questions
What is Dr. Kay Zier's medical specialty?
Dr. Kay Zier practices Nurse Practitioner in Oshkosh, WI.
Where does Dr. Kay Zier practice?
Dr. Kay Zier practices at 855 N Westhaven Dr, Oshkosh, WI 549047668. Office phone: 9203038700.
What is Dr. Kay Zier's NPI?
Dr. Kay Zier's National Provider Identifier (NPI) is 1053859942, issued by NPPES.
Does Dr. Kay Zier accept Medicare assignment?
Yes. Dr. Kay Zier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kay Zier commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.