William Schnapp, M.D.
NPI 1699938795 · Neurology Physician · Key West, FL
Enrolled with Medicare as Practitioner - Interventional Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Schnapp, M.D. is a Neurology Physician provider in Key West, FL (NPI 1699938795).
Provider details
- NPI number
- 1699938795
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- ME113950 (FL)
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
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
6,507 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) |
|---|---|---|
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 1,695 | $24 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 714 | $132 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 650 | $17 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 591 | $21 |
| Therapy Procedure Using Functional Activities97530 | 488 | $36 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 473 | 92 |
| Gabapentin | 278 | 92 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 207 | 56 |
| Tramadol Hcl | 199 | 66 |
| Oxycodone Hcl | 166 | 23 |
| Pregabalin | 105 | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$747 across 19 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
Additional practice locations (2)
- 95360 Overseas Hwy Ste 11Key Largo, FL 33037-2038Phone: (305) 296-2212Fax: (305) 296-2209
- 3301 Overseas HwyMarathon, FL 33050-2329Phone: (305) 289-6432Fax: (305) 296-2209
Registry dates
- Enumerated
- 2008-07-08
- Last updated
- 2018-03-17
Frequently asked questions
- What is William Schnapp's NPI number?
- William Schnapp's National Provider Identifier (NPI) is 1699938795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Schnapp's specialty?
- William Schnapp is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is William Schnapp located?
- William Schnapp's practice location on file with NPPES is 925 Toppino Dr, Key West, FL 33040-4269.
- What is William Schnapp's phone number?
- The practice phone number listed in the NPPES registry for William Schnapp is (305) 296-2212.
- Does William Schnapp accept Medicare?
- William Schnapp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Schnapp's NPI active?
- Yes — William Schnapp's NPI (1699938795) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.