Doctor profile · Federal record

Dr. William Schafer, MD

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Toledo, OH

  • NPI 1932107174
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3900 Sunforest CT, Suite 220
Toledo, OH 436234440
(419) 486-9000
fax (419) 486-9100

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
March 7, 2023
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Ohio #35064310
Medicaid (2)
MI #3307290 · OH #0903482

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932107174. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
874
Distinct HCPCS
9
Medicare allowed
$79,941
HCPCS Description Services Patients Avg allowed
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 289 127 $14
99214 Established patient office or other outpatient visit, 30-39 minutes 238 127 $122
99215 Established patient office or other outpatient visit, 40-54 minutes 126 76 $170
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 64 60 $183
99213 Established patient office or other outpatient visit, 20-29 minutes 63 46 $86
93320 Ultrasound of heart blood flow, valves and chambers 24 24 $47
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 24 24 $21
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 24 24 $217
93280 Programming of dual lead pacemaker system 22 12 $75

In context: peer comparison

Among 19 peers in this city , average services per provider: 106. This provider delivers 8.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$547
Transactions
14
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 6 $201.12
E.R. Squibb & Sons, L.L.C. 2 $144.12
Bayer Healthcare Pharmaceuticals Inc. 1 $125.01
Amgen Inc. 2 $32.14
Lexicon Pharmaceuticals, Inc. 2 $29.09
Abbott Laboratories 1 $15.25

By nature of payment

Food and Beverage
$547

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,420
Patients
705
Total drug cost
$390,902
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 431 132 $11,892
Amlodipine Besylate Generic 307 91 $2,433
Metoprolol Succinate Generic 241 71 $5,978
Eliquis (Apixaban) Brand 192 37 $214,823
Ramipril Generic 171 48 $3,075
Ezetimibe Generic 149 44 $7,560
Telmisartan Generic 124 32 $6,023
Pantoprazole Sodium Generic 122 40 $2,035
Torsemide Generic 113 41 $2,196
Atorvastatin Calcium Generic 104 34 $2,143

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Schafer's medical specialty?
Dr. William Schafer practices Cardiovascular Disease Physician in Toledo, OH.
Where does Dr. William Schafer practice?
Dr. William Schafer practices at 3900 Sunforest CT, Toledo, OH 436234440. Office phone: 4194869000.
What is Dr. William Schafer's NPI?
Dr. William Schafer's National Provider Identifier (NPI) is 1932107174, issued by NPPES.
Does Dr. William Schafer accept Medicare assignment?
Yes. Dr. William Schafer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Schafer commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.