William Schnitz, MD
NPI 1629015763 · Rheumatology Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Schnitz, MD is a Rheumatology Physician provider in Oklahoma City, OK (NPI 1629015763).
Provider details
- NPI number
- 1629015763
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 16521 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,152 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 341 | $119 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 186 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 182 | $84 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 119 | $56 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 91 | $113 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 80 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 353 | 126 |
| Methotrexate Sodiumbrand: Methotrexate | 276 | 76 |
| Hydroxychloroquine Sulfate | 267 | 71 |
| Etanerceptbrand: Enbrel Sureclick | 168 | 25 |
| Alendronate Sodium | 139 | 45 |
| Tramadol Hcl | 133 | 18 |
| Meloxicam | 119 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,877 across 71 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-31
- Last updated
- 2018-04-05
Frequently asked questions
- What is William Schnitz's NPI number?
- William Schnitz's National Provider Identifier (NPI) is 1629015763, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Schnitz's specialty?
- William Schnitz is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Schnitz located?
- William Schnitz's practice location on file with NPPES is 3555 Nw 58th St Ste 804, Oklahoma City, OK 73112-4703.
- What is William Schnitz's phone number?
- The practice phone number listed in the NPPES registry for William Schnitz is (405) 548-0430.
- Does William Schnitz accept Medicare?
- William Schnitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Schnitz's NPI active?
- Yes — William Schnitz's NPI (1629015763) is active in the NPPES registry as of the last update on 2018-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.