William Martin Schnitz, MD

Rheumatology Internal Medicine

William Martin Schnitz is a Rheumatology Internal Medicine specialist based in Oklahoma City, OK with over 39 years of clinical experience. Offers virtual telehealth visits.

(405) 548-0430Oklahoma City, OK
Telehealth Available
NPI Active per CMS — Q2 2026

William Martin Schnitz, MD runs an independent rheumatologist practice in Oklahoma City, OK. With 39+ years of experience, he has been practicing in the Oklahoma City area. Among his Medicare patients, common conditions include hypertension, arthritis, and high cholesterol (per CMS data).

1 of 21 Internal Medicine providers in OKSee all Internal Medicine in Oklahoma City39+ years experienceNPI since 2006

Older · 2971dNPPES updated 2018-04-05 · verify NPI on CMS · Verify license at Oklahoma State Board of Medical Licensure & Supervision

Contact & Location

Practice Location

3555 Nw 58th St Ste 804, Oklahoma City, OK 73112-4703

Fax: (405) 463-4408
Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, Arthritis, and High Cholesterol.

Hypertension
75%

High blood pressure — a leading risk factor for heart disease and stroke

Arthritis
75%

Joint inflammation causing pain, swelling, and stiffness

High Cholesterol
67%

Elevated cholesterol or triglycerides that increase heart disease risk

Chronic Kidney Disease
32%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

Osteoporosis
31%

Weakened bones that are more prone to fractures, common in older adults

Ischemic Heart Disease
30%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

Diabetes
28%

A condition where the body cannot properly regulate blood sugar levels

COPD
26%

Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. 39 years in practice

    Senior practitioner

Internal MedicineAllopathic & Osteopathic Physicians

Rheumatologists treat autoimmune and inflammatory conditions including rheumatoid arthritis, lupus, psoriatic arthritis, gout, osteoarthritis, and vasculitis. They manage biologic therapies and joint-preserving treatments.

Taxonomy: 207RR0500X

Virtual Internal Medicine Care With William Martin Schnitz

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with William Martin Schnitz for blood pressure monitoring, arthritis follow-ups, cholesterol management — no travel to Oklahoma City required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about William Martin Schnitz

Dr. Schnitz is listed as active in the NPI registry with telehealth listed in Oklahoma City, OK. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (405) 548-0430.

Verified across 3 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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