Doctor profile · Federal record

Dr. William Schnitz, MD

Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Oklahoma City, OK

  • NPI 1629015763
  • Accepts Medicare
  • MIPS 80.2 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3555 Nw 58Th St Ste 804
Oklahoma City, OK 731124703
(405) 548-0430
fax (405) 463-4408

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 5, 2018
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Oklahoma #16521
Medicaid
OK #100095820B

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629015763. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,297
Distinct HCPCS
10
Medicare allowed
$148,566
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 1,620 16 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 381 248 $120
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 251 39 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 250 160 $83
96372 Injection of drug or substance under skin or into muscle 153 25 $13
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 146 28 $58
96413 Administration of chemotherapy into vein, 1 hour or less 106 31 $110
96415 Administration of chemotherapy into vein, each additional hour 89 17 $22
99204 New patient office or other outpatient visit, 45-59 minutes 64 64 $157
96375 Injection of additional new drug or substance into vein 59 12 $13

In context: peer comparison

Among 8 peers in this city , average services per provider: 517. This provider delivers 6.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,877
Transactions
71
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 30 $960.65
AstraZeneca Pharmaceuticals LP 8 $180.51
Boehringer Ingelheim Pharmaceuticals, Inc. 4 $141.56
Janssen Biotech, Inc. 4 $107.33
Novartis Pharmaceuticals Corporation 4 $82.52
UCB, Inc. 4 $78.90
Aurinia Pharma U.S., Inc. 4 $78.75
ABBVIE INC. 3 $61.39
Sandoz Inc. 2 $57.64
Genentech USA, Inc. 2 $33.86
Fresenius Kabi USA, LLC 2 $28.17
GlaxoSmithKline, LLC. 2 $27.39
Lilly USA, LLC 1 $22.40
PFIZER INC. 1 $16.40

By nature of payment

Food and Beverage
$1,877

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,294
Patients
566
Total drug cost
$2,356,557
Drug Type Claims Patients Total cost
Prednisone Generic 405 126 $3,691
Methotrexate (Methotrexate Sodium) Brand 334 93 $13,578
Hydroxychloroquine Sulfate Generic 301 78 $19,898
Enbrel Sureclick (Etanercept) Brand 160 22 $1,245,823
Tramadol Hcl Generic 142 23 $1,576
Alendronate Sodium Generic 139 49 $1,575
Gabapentin Generic 133 33 $4,020
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 117 17 $2,979
Meloxicam Generic 110 36 $781
Allopurinol Generic 102 30 $2,290

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Schnitz's medical specialty?
Dr. William Schnitz practices Rheumatology Physician in Oklahoma City, OK.
Where does Dr. William Schnitz practice?
Dr. William Schnitz practices at 3555 Nw 58Th St Ste 804, Oklahoma City, OK 731124703. Office phone: 4055480430.
What is Dr. William Schnitz's NPI?
Dr. William Schnitz's National Provider Identifier (NPI) is 1629015763, issued by NPPES.
Does Dr. William Schnitz accept Medicare assignment?
Yes. Dr. William Schnitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Schnitz commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301). Source: CMS Medicare Physician & Other Practitioners file.