Dr. William David Schnapp, MD

  • Key West, FL
  • Neurologist
NPI1699938795PAC ID0648409979
Medicare services, 2024
7,107
Medicare patients, 2024
762
Part D claims, 2024
2,278
Publications
3
MIPS score, 2024
75
Practice address
925 Toppino Dr, Key West, FL 33040
Practice phone
Call (305) 296-2212
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Neuroscience Associates Inc

Key West, Florida

See all 7 affiliations

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Dr. William David Schnapp is a neurologist in Key West, Florida

Dr. Schnapp practices at Neuroscience Associates Inc in Key West, Florida.

Dr. Schnapp's NPI, 1699938795, was assigned on July 8, 2008. Dr. Schnapp holds Florida license ME113950.

NPI and contact details
Medicare PAC ID
0648409979
NPI enumeration date
July 8, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(305) 296-2212
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
45
Medical school graduation
2007

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. William David Schnapp practices at Neuroscience Associates Inc in Key West, Florida

Dr. Schnapp's primary practice is Neuroscience Associates Inc, at 925 Toppino Dr, Key West, FL 33040 in Monroe County. The practice phone is (305) 296-2212.

  • Neuroscience Associates Inc
    925 Toppino Dr, Key West, FL 33040 · Monroe CountyPhone(305) 296-2212

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. William David Schnapp is affiliated with 5 sites of care and 2 medical groups

Dr. Schnapp's primary practice is Neuroscience Associates Inc in Key West, Florida. Dr. Schnapp is also affiliated with Lower Keys Medical Center. The medical group on file is Neuro Spine & Pain Center of Key West. Dmand AI also links Dr. Schnapp to 1 more hospital, 1 physician office, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 7 affiliations for Dr. Schnapp

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. William David Schnapp's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schnapp practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Neuroscience Associates IncAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William David Schnapp is one of 1,297 neurologists in Florida

Neurology is Dr. Schnapp's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Schnapp is licensed in Florida.

Specialties and state licenses

  • Neurology, FloridaPrimaryLicense ME113950 · taxonomy 2084N0400X

Neurologists near Dr. Schnapp

Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.

1,297neurologists in Florida
2neurologists in Key West

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. William David Schnapp billed Medicare for 7,107 services in 2024

CMS data shows 7,107 Medicare services from Dr. Schnapp across 31 procedure codes in 2024, for 762 Medicare patients. Medicare paid $382,462 for them. Every service was in an office.

Medicare services, 20247,107
Medicare patients762
Paid by Medicare$382,462
Procedure codes31

Dr. Schnapp's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 2,4832024: 3,44739%
Office and hospital visits
2023: 1,6212024: 1,4998%
Surgery
2023: 8362024: 67220%
Other services
2023: 02024: 650
Drugs given in the office
2023: 6,0912024: 60090%
Lab and pathology
2023: 1702024: 1806%
Imaging
2023: 492024: 5920%

Dr. Schnapp compared with the Florida median for neurologists, 2024

  • Dr. Schnapp
  • Florida median
Medicare services
7,107vs 47914.8 times
Medicare patients
762vs 2373.2 times
Part D claims
2,045vs 4154.9 times

Medians across 1,209 neurologists in Florida with Dmand AI profiles that report each measure.

Dr. Schnapp's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Schnapp

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. William David Schnapp treated 762 Medicare patients in 2024, average age 74

CMS counts 762 Medicare patients who saw Dr. Schnapp in 2024. The largest group is 65 to 74, with 327 patients. 75% of them have arthritis, and 75% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Schnapp's median patient age at 66, with 47% women.

Medicare patients, 2024762
Average age74
Average risk score1.23
Also on Medicaid14%

Dr. Schnapp's Medicare patients by age, 2024

Dr. Schnapp's Medicare patients by sex, 2024

  • Women38751%
  • Men37549%

Chronic conditions among Dr. Schnapp's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Ischemic heart disease37%
  5. Anxiety32%
  6. Atrial fibrillation23%
  7. Diabetes23%
  8. Mood disorders23%

Share of Medicare patients with each condition. A patient can have several.

Dr. Schnapp's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women47%
  • Men52%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. William David Schnapp wrote 2,278 Medicare Part D claims in 2024

In 2024, Dr. Schnapp wrote 2,278 Medicare Part D claims for 353 patients. 96% of them were for generic drugs. CMS names the drug for 2,045 of them, across 32 drugs with 11 or more claims each, at $124,689 in total drug cost. In 2023, CMS named 1,733 claims across 29 drugs.

Part D claims, 20242,278
Drugs named by CMS32
Total drug cost$124,689
Part D patients353

Dr. Schnapp's Part D claims by kind of drug, 2024

  • Generic2,181 claims96%
  • Brand-name97 claims4%

Dr. Schnapp's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Schnapp's Part D claims, 2024

  • Opioids54%1,223 of 2,278 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,7332024: 2,04518%

Drugs named by CMS: 32 in 2024, 29 in 2023.

See all prescribing by Dr. Schnapp

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. William David Schnapp scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Schnapp for performance year 2024, reported individually. Dr. Schnapp accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Schnapp as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes
MIPS final score, 2024
75 of 100

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

Spinal fusion: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. William David Schnapp has 3 publications on record

Dmand AI links 3 papers to Dr. Schnapp in 2023. The most frequent topics are Chronic Pain. Dr. Schnapp has published most often in Pain Physician.

Papers3

Topics Dr. Schnapp writes about most

  • Chronic Pain

Recent publications by Dr. Schnapp

See all 3 publications and co-authors

See who Dr. Schnapp researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Schnapp works with, so you can find a warm path to the right neurologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. William David Schnapp received $25,273 in industry payments from 2016 to 2025

CMS Open Payments shows 241 general payments to Dr. Schnapp from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 38% of the total. Medtronic, Inc. paid the most, $13,252.

General payments to Dr. Schnapp by program year, 2016 to 2025

General payments to Dr. Schnapp by kind, 2016 to 2025

$25.3Kin total
  • Food and beverage$9,72538%
  • Speaker and faculty fees$9,01036%
  • Travel and lodging$6,53826%

Companies that paid Dr. Schnapp the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Schnapp

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. William David Schnapp's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. William David Schnapp

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. William David Schnapp's NPI number?

Dr. William David Schnapp's NPI number is 1699938795. It was assigned on July 8, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. William David Schnapp?

Dr. William David Schnapp is a neurologist in Key West, Florida. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. William David Schnapp practice?

Dr. Schnapp practices at 925 Toppino Dr, Key West, FL 33040. Dr. Schnapp's primary practice is Neuroscience Associates Inc in Key West, Florida. Dmand AI also links Dr. Schnapp to 1 hospital, 1 physician office, 1 group practice or clinic and 1 medical group.

What is Dr. William David Schnapp's office phone number?

The practice phone on file for Dr. Schnapp is (305) 296-2212.

What is Dr. William David Schnapp's medical license number?

Dr. Schnapp holds Florida license ME113950.

Which hospitals is Dr. William David Schnapp affiliated with?

Dr. Schnapp is affiliated with Lower Keys Medical Center. Dmand AI links Dr. Schnapp to 1 more hospital.

What medical group is Dr. William David Schnapp part of?

Dr. Schnapp is linked to Neuro Spine & Pain Center of Key West. Dmand AI links Dr. Schnapp to 1 more medical group.

Does Dr. William David Schnapp accept Medicare?

Yes. CMS data shows Dr. Schnapp billed Medicare for 7,107 services in 2024, and Dr. Schnapp accepts Medicare assignment.

Does Dr. William David Schnapp offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Schnapp as offering telehealth services.

What is Dr. William David Schnapp's MIPS score?

Dr. Schnapp's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. William David Schnapp see?

CMS counts 762 Medicare patients who saw Dr. Schnapp in 2024, with an average age of 74.

What services does Dr. William David Schnapp bill to Medicare?

In 2024, Dr. Schnapp's most billed Medicare services were physical therapy and rehabilitation (97110), office visit, established patient (99214) and medicare service (G2211).

What drugs does Dr. William David Schnapp prescribe most?

In 2024 Medicare Part D data, Dr. Schnapp's most prescribed drugs by claims were Oxycodone-Acetaminophen, Gabapentin and Hydrocodone-Acetaminophen.

Has Dr. William David Schnapp received payments from drug or device companies?

CMS Open Payments shows $25,273 in general payments to Dr. Schnapp from 22 companies from 2016 to 2025. The largest total came from Medtronic, Inc.

How long has Dr. William David Schnapp been practicing?

Dr. Schnapp graduated from medical school in 2007, 19 years ago.

Does Dr. William David Schnapp do research?

Dmand AI links 3 publications to Dr. Schnapp.

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