Doctor profile · Federal record

Dr. William Fritz, MD

Internal Medicine Physician (CMS: Internal Medicine) · Washington, MO

  • NPI 1407820913
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
851 E 5Th St, Suite 304
Washington, MO 630903135
(636) 390-2350

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Missouri #102131

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407820913. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
529
Distinct HCPCS
6
Medicare allowed
$56,900
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 219 120 $119
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 88 88 $121
99215 Established patient office or other outpatient visit, 40-54 minutes 61 49 $168
99213 Established patient office or other outpatient visit, 20-29 minutes 60 34 $82
G0008 Administration of influenza virus vaccine 51 49 $28
90662 Influenza vaccine split virus, preservative free 50 48 $72

In context: peer comparison

Among 10 peers in this city , average services per provider: 99. This provider delivers 5.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,891
Patients
844
Total drug cost
$37,370
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 308 97 $3,446
Levothyroxine Sodium Generic 265 69 $3,793
Omeprazole Generic 248 70 $3,136
Losartan Potassium Generic 228 67 $3,759
Famotidine Generic 218 70 $4,051
Lisinopril Generic 195 51 $1,115
Hydrochlorothiazide Generic 194 57 $945
Amlodipine Besylate Generic 188 45 $1,017
Metoprolol Succinate Generic 164 50 $3,268
Simvastatin Generic 157 45 $1,874

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Fritz's medical specialty?
Dr. William Fritz practices Internal Medicine Physician in Washington, MO.
Where does Dr. William Fritz practice?
Dr. William Fritz practices at 851 E 5Th St, Washington, MO 630903135. Office phone: 6363902350.
What is Dr. William Fritz's NPI?
Dr. William Fritz's National Provider Identifier (NPI) is 1407820913, issued by NPPES.
Does Dr. William Fritz accept Medicare assignment?
Yes. Dr. William Fritz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Fritz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.