Doctor profile · Federal record

Dr. Anna Gretzinger, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · Madison, WI

  • NPI 1114366465
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
202 S Park St
Madison, WI 537151507
(608) 417-5950
Mailing address
7974 Uw Health CT
Middleton, WI 535625531

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
August 7, 2024
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Wisconsin #3148-23

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114366465. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
195
Distinct HCPCS
5
Medicare allowed
$15,247
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 101 86 $73
99214 Established patient office or other outpatient visit, 30-39 minutes 40 34 $103
99212 Established patient office or other outpatient visit, 10-19 minutes 23 22 $46
99215 Established patient office or other outpatient visit, 40-54 minutes 18 16 $145
36415 Insertion of needle into vein for collection of blood sample 13 11 $8

In context: peer comparison

Among 68 peers in this city , average services per provider: 66. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 1 $16.21

By nature of payment

Food and Beverage
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,448
Patients
489
Total drug cost
$524,659
Drug Type Claims Patients Total cost
Prednisone Generic 288 134 $2,105
Azithromycin Generic 191 67 $3,072
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 171 41 $162,791
Advair Hfa (Fluticasone Propion/Salmeterol) Brand 97 19 $73,006
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 92 49 $6,073
Symbicort (Budesonide/Formoterol Fumarate) Brand 85 25 $39,833
Ventolin Hfa (Albuterol Sulfate) Brand 79 28 $7,754
Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) Brand 76 19 $64,976
Montelukast Sodium Generic 68 20 $999
Spiriva Respimat (Tiotropium Bromide) Brand 68 15 $52,697

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anna Gretzinger's medical specialty?
Dr. Anna Gretzinger practices Medical Physician Assistant in Madison, WI.
Where does Dr. Anna Gretzinger practice?
Dr. Anna Gretzinger practices at 202 S Park St, Madison, WI 537151507. Office phone: 6084175950.
What is Dr. Anna Gretzinger's NPI?
Dr. Anna Gretzinger's National Provider Identifier (NPI) is 1114366465, issued by NPPES.
Does Dr. Anna Gretzinger accept Medicare assignment?
Yes. Dr. Anna Gretzinger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anna Gretzinger commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.