Doctor profile · Federal record

Dr. Timothy Grass, D.O.

Family Medicine Physician (CMS: Family Practice) · Franklin, WI

  • NPI 1982719134
  • Accepts Medicare
  • MIPS 80.9 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10101 S 27Th St
Franklin, WI 531327209
(414) 325-4940

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Wisconsin #38321
Medicaid
WI #30091700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982719134. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
395
Distinct HCPCS
8
Medicare allowed
$43,691
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 164 107 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 75 56 $86
99215 Established patient office or other outpatient visit, 40-54 minutes 36 25 $172
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 34 34 $125
G0008 Administration of influenza virus vaccine 31 31 $29
90662 Influenza vaccine split virus, preservative free 29 29 $72
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 13 13 $281
G0009 Administration of pneumococcal vaccine 13 13 $29

In context: peer comparison

Among 8 peers in this city , average services per provider: 56. This provider delivers 7.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$51
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Dynavax Technologies Corporation 1 $27.59
Exact Sciences Corporation 1 $23.47

By nature of payment

Food and Beverage
$51

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,537
Patients
715
Total drug cost
$45,107
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 471 135 $7,027
Lisinopril Generic 330 92 $2,506
Rosuvastatin Calcium Generic 266 70 $5,497
Levothyroxine Sodium Generic 225 49 $4,048
Amlodipine Besylate Generic 210 63 $2,339
Omeprazole Generic 167 47 $3,502
Pravastatin Sodium Generic 159 43 $3,048
Metformin Hcl Generic 153 49 $2,221
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 90 35 $5,652
Amlodipine Besylate-Benazepril (Amlodipine Besylate/Benazepril) Brand 85 26 $2,266

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Grass's medical specialty?
Dr. Timothy Grass practices Family Medicine Physician in Franklin, WI.
Where does Dr. Timothy Grass practice?
Dr. Timothy Grass practices at 10101 S 27Th St, Franklin, WI 531327209. Office phone: 4143254940.
What is Dr. Timothy Grass's NPI?
Dr. Timothy Grass's National Provider Identifier (NPI) is 1982719134, issued by NPPES.
Does Dr. Timothy Grass accept Medicare assignment?
Yes. Dr. Timothy Grass accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Grass 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 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.