Dr. David Duane Weisher , MD
Physician • St Thomas, VI
9149 Estate Thomas, Suite 209
St Thomas, VI 008022687
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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NPI assigned on July 18, 2006; this date does not establish years in practice.
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Published CMS data list 1,255 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 99213 — Established patient outpatient office visit: 299 service units.
- 99231 — Subsequent hospital care with straightforward or low level of medical decision making, per day: 249 service units.
- 99232 — Subsequent hospital care with moderate levelof medical decision making: 213 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See all 13 records in the table · Guide: How to read Medicare Part B data
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Published CMS data list 1,496 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Donepezil Hcl — 237 prescription fills, including refills.
- Memantine Hcl Er (Memantine Hcl) — 148 prescription fills, including refills.
- Levetiracetam — 130 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 40 records in the table · Guide: How to read Medicare Part D prescriber data
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Medicare Part B services went from 1,789 in 2020 to 1,255 in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2020–2024.
Practice Location & Contact Primary Location
9149 Estate Thomas
Suite 209
St Thomas, VI 008022687
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
1983
What Public CMS Data Show
Physician: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
351 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.
Medicare-allowed amount
About $140,806 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
Paid by Medicare
About $99,265 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
30-day fills
1,683 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$126,617 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.
Years since graduation
43 years (graduated 1983)
CMS Doctors and Clinicians data list 1983 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2006
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Weisher has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Weisher as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services decreased 30% from 1,789 in 2020 to 1,255 in 2024.
- 2020: 1,789
- 2021: 1,159
- 2022: 1,281
- 2023: 1,465
- 2024: 1,255
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Medicare-allowed amount
Medicare-allowed amount decreased 35% from $218,156 in 2020 to $140,806 in 2024.
- 2020: $218,156
- 2021: $159,964
- 2022: $153,867
- 2023: $146,686
- 2024: $140,806
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Paid by Medicare
Paid by Medicare decreased 35% from $153,235 in 2020 to $99,265 in 2024.
- 2020: $153,235
- 2021: $110,669
- 2022: $107,511
- 2023: $103,319
- 2024: $99,265
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Medicare Part D prescriptions
Medicare Part D prescriptions decreased 41% from 2,544 in 2020 to 1,496 in 2024.
- 2020: 2,544
- 2021: 2,362
- 2022: 2,400
- 2023: 1,943
- 2024: 1,496
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30-day fills
30-day fills decreased 39% from 2,759 in 2020 to 1,683 in 2024.
- 2020: 2,759
- 2021: 2,591
- 2022: 2,613
- 2023: 2,193
- 2024: 1,683
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Part D drug cost
Part D drug cost increased 34% from $94,308 in 2020 to $126,617 in 2024.
- 2020: $94,308
- 2021: $100,223
- 2022: $108,730
- 2023: $95,752
- 2024: $126,617
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
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299 | 213 | $230.00 | $89.19 |
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99231
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes
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249 | 15 | $120.00 | $47.99 |
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99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
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213 | 53 | $205.00 | $76.44 |
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99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
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108 | 91 | $275.00 | $126.31 |
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99291
Critical care, first 30-74 minutes
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96 | 23 | $400.00 | $205.56 |
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99204
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
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84 | 84 | $330.00 | $164.66 |
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99223
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
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64 | 63 | $400.00 | $168.55 |
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95816
Measurement of brain wave activity (eeg), awake and drowsy
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37 | 37 | $475.00 | $389.92 |
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95886
Needle measurement of electrical activity in arm or leg muscles, complete study
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34 | 33 | $280.00 | $94.51 |
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95908
Nerve conduction, 3-4 studies
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22 | 21 | $465.00 | $109.92 |
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99205
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
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20 | 20 | $385.00 | $216.82 |
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99238
Hospital discharge day management, 30 minutes or less
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15 | 15 | $208.00 | $78.88 |
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99215
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
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14 | 13 | $300.00 | $166.78 |
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Donepezil Hcl | Donepezil Hcl | 237 | 8,524 | $8,811.03 | 55 |
| Memantine Hcl Er | Memantine Hcl | 148 | 5,024 | $6,300.65 | 29 |
| Levetiracetam | Levetiracetam | 130 | 4,920 | $2,837.89 | 25 |
| Carbidopa-Levodopa | Carbidopa/Levodopa | 68 | 2,088 | $2,312.66 | 13 |
| Quetiapine Fumarate | Quetiapine Fumarate | 67 | 2,430 | $615.94 | 24 |
| Cilostazol | Cilostazol | 60 | 1,980 | $1,418.22 | 14 |
| Atorvastatin Calcium | Atorvastatin Calcium | 52 | 1,746 | $731.42 | — |
| Nifedipine Er | Nifedipine | 51 | 1,550 | $1,066.88 | 14 |
| Amantadine | Amantadine Hcl | 50 | 1,560 | $1,351.46 | — |
| Amlodipine Besylate | Amlodipine Besylate | 48 | 1,410 | $470.47 | — |
| Losartan-Hydrochlorothiazide | Losartan/Hydrochlorothiazide | 45 | 1,432 | $796.32 | — |
| Alprazolam | Alprazolam | 39 | 1,250 | $354.84 | 12 |
| Zolpidem Tartrate | Zolpidem Tartrate | 37 | 1,170 | $502.24 | — |
| Eliquis | Apixaban | 37 | 1,050 | $25,748.80 | — |
| Topiramate | Topiramate | 35 | 1,215 | $351.69 | 13 |
| Gabapentin | Gabapentin | 30 | 1,410 | $716.26 | — |
| Phenytoin Sodium Extended | Phenytoin Sodium Extended | 30 | 1,140 | $752.86 | — |
| Cyclobenzaprine Hcl | Cyclobenzaprine Hcl | 27 | 790 | $203.96 | 17 |
| Phenobarbital | Phenobarbital | 24 | 720 | $318.85 | — |
| Carbamazepine | Carbamazepine | 21 | 660 | $734.76 | — |
| Labetalol Hcl | Labetalol Hcl | 18 | 460 | $364.31 | — |
| Pramipexole Dihydrochloride | Pramipexole Di-Hcl | 17 | 510 | $487.06 | — |
| Pantoprazole Sodium | Pantoprazole Sodium | 15 | 425 | $197.80 | — |
| Meclizine Hcl | Meclizine Hcl | 15 | 223 | $110.82 | — |
| Sertraline Hcl | Sertraline Hcl | 14 | 660 | $160.06 | — |
(top 25 shown)
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 261QM2500X
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - NEUROLOGY
I20040831000433
VI
5496720799
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Orthopaedic Surgery
Doctor of Medicine (M.D.)
Orthopaedic Surgery - Sports Medicine
Doctor of Medicine (M.D.)
Surgery
Doctor of Medicine (M.D.)
Radiology - Vascular & Interventional Radiology
Doctor of Medicine (M.D.)
Surgery
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Career & Practice History
NPI enumerated July 18, 2006.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to November 2026.
NPI Administrative Meta
Mailing Address
9149 Estate Thomas, Suite 209
St Thomas, VI 008022687
Phone: 3407754666