Doctor profile · Federal record

Dr. William Chapman, DO

Neurology Physician (CMS: Neurology) · Neurology Physician · Student in an Organized Health Care Education/Training Program · Cincinnati, OH

  • NPI 1184129512
  • Accepts Medicare
  • MIPS 90.5 / 100 · 2023
  • 8 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
3113 Bellevue Avenue
Cincinnati, OH 45229
(513) 475-8730
fax (513) 475-8033
Additional location
3181 Sw Sam Jackson Park RD
Portland, OR 972393011
(503) 494-7772
fax (503) 494-3283
Additional location
234 Goodman St
Cincinnati, OH 452192364
(513) 558-2968
fax (513) 558-4887
Mailing address
314 Se 27Th Ave
Portland, OR 972141721

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
May 16, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State licenses (2)
Ohio #34.016298 · Oregon #DO208115

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184129512. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
39
Distinct HCPCS
2
Medicare allowed
$5,102
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 23 23 $126
99215 Established patient office or other outpatient visit, 40-54 minutes 16 15 $138

In context: peer comparison

Among 26 peers in this city , average services per provider: 421. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$10,777
Transactions
60
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 4 $5,113.61
EMD Serono, Inc. 4 $3,422.07
Novartis Pharmaceuticals Corporation 33 $599.83
Alexion Pharmaceuticals, Inc. 6 $554.66
GENZYME CORPORATION 2 $242.34
Amgen Inc. 3 $239.70
Biogen, Inc. 3 $220.07
Genentech USA, Inc. 3 $175.27
TG Therapeutics, Inc. 1 $123.97
E.R. Squibb & Sons, L.L.C. 1 $85.92

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$4,760
Consulting Fee
$3,195
Food and Beverage
$2,186
Travel and Lodging
$336
Education
$300

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
189
Patients
53
Total drug cost
$15,965
Drug Type Claims Patients Total cost
Baclofen Generic 56 23 $1,523
Gabapentin Generic 53 18 $1,534
Dalfampridine Er (Dalfampridine) Brand 43 12 $11,606
Pregabalin Generic 25 0 $1,175
Citalopram Hbr (Citalopram Hydrobromide) Brand 12 0 $126

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Chapman's medical specialty?
Dr. William Chapman practices Neurology Physician in Cincinnati, OH.
Where does Dr. William Chapman practice?
Dr. William Chapman practices at 3113 Bellevue Avenue, Cincinnati, OH 45229. Office phone: 5134758730.
What is Dr. William Chapman's NPI?
Dr. William Chapman's National Provider Identifier (NPI) is 1184129512, issued by NPPES.
Does Dr. William Chapman accept Medicare assignment?
Yes. Dr. William Chapman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Chapman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.