Doctor profile · Federal record

Dr. Ann Mayer, NP

Nurse Practitioner · Oshkosh, WI

  • NPI 1295387975
  • Accepts Medicare
  • MIPS 77.0 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
855 N Westhaven Dr
Oshkosh, WI 549047668
(920) 303-8700
Additional location
5045 W Grande Market Dr
Appleton, WI 549138517
(920) 886-9380
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
July 2019 — 7 yrs on file
Profile last updated
January 16, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Wisconsin #9092-033
Medicaid
WI #100090713

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295387975. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
382
Distinct HCPCS
9
Medicare allowed
$8,249
HCPCS Description Services Patients Avg allowed
80048 Blood test, basic group of blood chemicals (calcium, total) 82 58 $8
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 75 33 $24
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 74 32 $21
36415 Insertion of needle into vein for collection of blood sample 52 43 $8
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 38 28 $64
83735 Magnesium level 24 21 $7
84443 Blood test, thyroid stimulating hormone (tsh) 13 13 $16
80061 Blood test, lipids (cholesterol and triglycerides) 12 11 $13
99238 Hospital discharge day management, 30 minutes or less 12 12 $66

In context: peer comparison

Among 28 peers in this city , average services per provider: 48. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 1 $24.17

By nature of payment

Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
786
Patients
338
Total drug cost
$117,998
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 121 46 $2,418
Amlodipine Besylate Generic 92 35 $782
Eliquis (Apixaban) Brand 78 27 $87,586
Furosemide Generic 69 28 $446
Atorvastatin Calcium Generic 55 30 $769
Metoprolol Tartrate Generic 51 25 $469
Isosorbide Mononitrate Er (Isosorbide Mononitrate) Brand 45 22 $1,291
Lisinopril Generic 44 21 $311
Nitroglycerin Generic 44 37 $546
Spironolactone Generic 42 13 $285

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann Mayer's medical specialty?
Dr. Ann Mayer practices Nurse Practitioner in Oshkosh, WI.
Where does Dr. Ann Mayer practice?
Dr. Ann Mayer practices at 855 N Westhaven Dr, Oshkosh, WI 549047668. Office phone: 9203038700.
What is Dr. Ann Mayer's NPI?
Dr. Ann Mayer's National Provider Identifier (NPI) is 1295387975, issued by NPPES.
Does Dr. Ann Mayer accept Medicare assignment?
Yes. Dr. Ann Mayer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Mayer commonly perform?
Top Medicare-reported procedures in 2023: Blood test, basic group of blood chemicals (calcium, total) (HCPCS 80048); Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (HCPCS 93294); Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (HCPCS 93296). Source: CMS Medicare Physician & Other Practitioners file.