Doctor profile · Federal record

Dr. Maria Hillmer, APNP

Nurse Practitioner · Registered Nurse · Grafton, WI

  • NPI 1598188138
  • Accepts Medicare
  • MIPS 83.3 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1245 Cheyenne Ave, Suite 301
Grafton, WI 530249323
(262) 377-2222
fax (262) 377-6543
Additional location
1440 N 25Th St
Sheboygan, WI 530813108
(920) 457-9100
fax (920) 457-1461
Mailing address
801 York St
Manitowoc, WI 542204630

Credentials & registration

NPPES · NUCC
NPI registered
February 2014 — 12 yrs on file
Profile last updated
February 18, 2021
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Wisconsin #5685-33 · Wisconsin #144264-30

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598188138. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,264
Distinct HCPCS
10
Medicare allowed
$69,872
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 339 198 $72
17003 Destruction of precancer skin growth, 2-14 growths 314 79 $5
17000 Destruction of precancer skin growth, 1 growth 199 135 $42
17110 Destruction of skin growth, 1-14 growths 99 63 $88
11102 Biopsy of related skin growth, first growth 90 72 $72
99214 Established patient office or other outpatient visit, 30-39 minutes 77 56 $101
99212 Established patient office or other outpatient visit, 10-19 minutes 39 35 $45
99203 New patient office or other outpatient visit, 30-44 minutes 28 28 $89
11300 Shaving of skin growth of body, arms, or legs, 0.5 cm or less 25 21 $57
96574 Application of light with debridement to destroy precancer skin growth 21 11 $228

In context: peer comparison

Among 12 peers in Grafton Nurse Practitioner, average services per provider: 80. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,623
Transactions
133
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 24 $373.13
Dermavant Sciences, INC. 23 $371.91
Amgen INC. 12 $323.29
Regeneron Healthcare Solutions, INC. 13 $308.01
Janssen Biotech, INC. 16 $289.63
Genzyme Corporation 8 $171.81
E.R. Squibb & Sons, L.L.C. 11 $165.38
Novartis Pharmaceuticals Corporation 9 $149.33
Ucb, INC. 5 $146.81
Incyte Corporation 3 $71.28
Leo Pharma INC. 3 $63.59
Boehringer Ingelheim Pharmaceuticals, INC. 2 $37.64
Paratek Pharmaceuticals, INC. 2 $34.85
Sun Pharmaceutical Industries INC. 1 $33.97
Galderma Laboratories, L.P. 1 $20.17

By nature of payment

Food and Beverage
$2,614
Education
$8

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
298
Patients
196
Total drug cost
$11,426
Drug Type Claims Patients Total cost
Ketoconazole Generic 51 31 $1,091
Clobetasol Propionate Generic 45 30 $2,040
Fluocinonide Generic 38 28 $2,513
Doxycycline Monohydrate Generic 29 17 $740
Triamcinolone Acetonide Generic 29 24 $259
Ciclopirox (Ciclopirox Olamine) Brand 26 18 $535
Fluorouracil Generic 21 20 $1,852
Hydrocortisone Generic 18 17 $242
Metronidazole Generic 16 11 $1,566
Valacyclovir (Valacyclovir Hcl) Brand 14 0 $489

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Hillmer's medical specialty?
Dr. Maria Hillmer practices Nurse Practitioner in Grafton, WI.
Where does Dr. Maria Hillmer practice?
Dr. Maria Hillmer practices at 1245 Cheyenne Ave, Grafton, WI 530249323. Office phone: 2623772222.
What is Dr. Maria Hillmer's NPI?
Dr. Maria Hillmer's National Provider Identifier (NPI) is 1598188138, issued by NPPES.
Does Dr. Maria Hillmer accept Medicare assignment?
Yes. Dr. Maria Hillmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Hillmer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.