Doctor profile · Federal record

Dr. Diane Billmyer, P.A.

Physician Assistant · Mount Pleasant, WI

  • NPI 1891729224
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
13250 Washington Ave
Mount Pleasant, WI 531771516
(888) 720-2012
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 22, 2024
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Wisconsin #910
Medicaid
WI #42964600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891729224. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,514
Distinct HCPCS
8
Medicare allowed
$25,712
HCPCS Description Services Patients Avg allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg 960 12 $10
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 284 30 $1
20610 Aspiration and/or injection of fluid from large joint 114 55 $62
99212 Established patient office or other outpatient visit, 10-19 minutes 48 38 $44
J1040 Injection, methylprednisolone acetate, 80 mg 39 28 $12
99213 Established patient office or other outpatient visit, 20-29 minutes 37 31 $71
23472 Prosthetic repair of shoulder joint, total shoulder 16 16 $159
99203 New patient office or other outpatient visit, 30-44 minutes 16 16 $86

In context: peer comparison

Among 10 peers in Mount Pleasant Physician Assistant, average services per provider: 96. This provider delivers 16× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
450
Patients
270
Total drug cost
$5,890
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 176 100 $2,341
Doxycycline Monohydrate Generic 60 58 $1,074
Meloxicam Generic 53 29 $186
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 49 11 $499
Tramadol Hcl Generic 29 15 $108
Gabapentin Generic 22 17 $113
Cyclobenzaprine Hcl Generic 20 16 $171
Oxycodone Hcl Generic 15 0 $107
Celecoxib Generic 13 11 $143
Naloxone Hcl Generic 13 13 $1,149

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Billmyer's medical specialty?
Dr. Diane Billmyer practices Physician Assistant in Mount Pleasant, WI.
Where does Dr. Diane Billmyer practice?
Dr. Diane Billmyer practices at 13250 Washington Ave, Mount Pleasant, WI 531771516. Office phone: 8887202012.
What is Dr. Diane Billmyer's NPI?
Dr. Diane Billmyer's National Provider Identifier (NPI) is 1891729224, issued by NPPES.
What procedures does Dr. Diane Billmyer commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (HCPCS J7325); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.