David L Wonnell , PA-C
Physician Assistant • West Des Moines, IA
105 Valley West Dr, Suite 100
West Des Moines, IA 502653902
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
-
NPI assigned on December 23, 2005; this date does not establish years in practice.
-
Published CMS data list 1,218 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.
-
Published Part B service records, 2024:
- 30801 — Destruction of soft tissue of nasal passages: 455 service units.
- 99213 — Established patient outpatient office visit: 330 service units.
- 92504 — Exam of ear using a microscope: 185 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 12 records in the table · Guide: How to read Medicare Part B data
-
Published CMS data list 563 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.
-
Published Part D records, 2024:
- Famotidine — 92 prescription fills, including refills.
- Fluticasone Propionate — 66 prescription fills, including refills.
- Omeprazole — 63 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 18 records in the table · Guide: How to read Medicare Part D prescriber data
-
More Medicare Part B services than 70% of clinicians listed under Physician Assistant in West Des Moines, IA (2024, 78 clinicians with data). Median for this group: 513. Middle half: 186 to 1,257.
More Medicare Part B services than 80% of clinicians listed under Physician Assistant in Iowa (2024, 816 clinicians with data). Median for this group: 298. Middle half: 123 to 703.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
-
Medicare Part B services went from 746 in 2020 to 1,218 in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2020–2024.
Practice Location & Contact Primary Location
105 Valley West Dr
Suite 100
West Des Moines, IA 502653902
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
1998
What Public CMS Data Show
Physician Assistant: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
427 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 $125,040 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 $86,896 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
929 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
$13,951 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.
Open Payments general payments, program year 2025
All general payments: $144.67 across 6 records.
By nature of payment
- Food and Beverage: $144.67 across 6 records.
Reporting-company totals (3 largest of 4)
- Integra LifeSciences Corporation: $49.58 across 1 record.
- Sanofi and Genzyme US Companies: $48.24 across 3 records.
- HOLOGIC INC: $28.34 across 1 record.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
Years since graduation
28 years (graduated 1998)
CMS Doctors and Clinicians data list 1998 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
2005
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)
David Wonnell 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 David Wonnell 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.
Compared with the same specialty in West Des Moines and Iowa
Billing and prescribing volume is not a quality rating.
Medicare Part B services
More Medicare Part B services than 70% of clinicians listed under Physician Assistant in West Des Moines, IA (2024, 78 clinicians with data). Median for this group: 513. Middle half: 186 to 1,257.
More Medicare Part B services than 80% of clinicians listed under Physician Assistant in Iowa (2024, 816 clinicians with data). Median for this group: 298. Middle half: 123 to 703.
Medicare-allowed amount
A higher Medicare-allowed amount than 90% of clinicians listed under Physician Assistant in West Des Moines, IA (2024, 78 clinicians with data). Median for this group: $28,938. Middle half: $11,965 to $63,564.
A higher Medicare-allowed amount than 95% of clinicians listed under Physician Assistant in Iowa (2024, 816 clinicians with data). Median for this group: $19,026. Middle half: $8,646 to $37,827.
Paid by Medicare
A higher Medicare payment amount than 90% of clinicians listed under Physician Assistant in West Des Moines, IA (2024, 78 clinicians with data). Median for this group: $20,820. Middle half: $8,969 to $47,081.
A higher Medicare payment amount than 95% of clinicians listed under Physician Assistant in Iowa (2024, 816 clinicians with data). Median for this group: $13,777. Middle half: $6,384 to $27,709.
Medicare Part D prescriptions
More Part D prescriptions than 65% of clinicians listed under Physician Assistant in West Des Moines, IA (2024, 82 clinicians with data). Median for this group: 278. Middle half: 87 to 666.
More Part D prescriptions than 60% of clinicians listed under Physician Assistant in Iowa (2024, 934 clinicians with data). Median for this group: 305. Middle half: 94 to 1,210.
Part D drug cost
A higher Part D drug cost than 65% of clinicians listed under Physician Assistant in West Des Moines, IA (2024, 82 clinicians with data). Median for this group: $5,523. Middle half: $847 to $44,804.
Close to the middle for clinicians listed under Physician Assistant in Iowa (2024, 934 clinicians with data). Median for this group: $4,784. Middle half: $711 to $109,573.
119 active clinicians are listed under Physician Assistant with a practice address in West Des Moines, IA (1,525 in Iowa).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in West Des Moines
11.8% of these 119 clinicians have the CMS telehealth indicator.
77.3% of these 119 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
-
Medicare Part B services
Medicare Part B services increased 63% from 746 in 2020 to 1,218 in 2024.
- 2020: 746
- 2021: 875
- 2022: 951
- 2023: 1,165
- 2024: 1,218
-
Medicare-allowed amount
Medicare-allowed amount increased 71% from $73,254 in 2020 to $125,040 in 2024.
- 2020: $73,254
- 2021: $98,704
- 2022: $106,041
- 2023: $118,113
- 2024: $125,040
-
Paid by Medicare
Paid by Medicare increased 72% from $50,664 in 2020 to $86,896 in 2024.
- 2020: $50,664
- 2021: $69,924
- 2022: $76,060
- 2023: $84,134
- 2024: $86,896
-
Medicare Part D prescriptions
Medicare Part D prescriptions increased 17% from 480 in 2020 to 563 in 2024.
- 2020: 480
- 2021: 483
- 2022: 499
- 2023: 505
- 2024: 563
-
30-day fills
30-day fills increased 42% from 653 in 2020 to 929 in 2024.
- 2020: 653
- 2021: 705
- 2022: 837
- 2023: 838
- 2024: 929
-
Part D drug cost
Part D drug cost decreased 18% from $17,040 in 2020 to $13,951 in 2024.
- 2020: $17,040
- 2021: $23,866
- 2022: $10,434
- 2023: $21,607
- 2024: $13,951
-
Industry payments (Open Payments)
Industry payments (Open Payments) went from $331.43 in 2021 to $144.67 in 2025.
- 2021: $331.43
- 2022: $110.35
- 2023: $168.58
- 2024: $73.77
- 2025: $144.67
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 – December 31, 2025): fewer than 11 records totaling $144.67.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Integra LifeSciences Corporation |
Food and Beverage
In-kind items and services
|
ACCLARENT AERA | General | $49.58 |
| HOLOGIC INC |
Food and Beverage
In-kind items and services
|
CoolSeal Generator | General | $28.34 |
| Sanofi and Genzyme US Companies |
Food and Beverage
In-kind items and services
|
DUPIXENT | General | $18.84 |
| Ethicon Inc. |
Food and Beverage
In-kind items and services
|
STRATAFIX | General | $18.51 |
| Sanofi and Genzyme US Companies |
Food and Beverage
In-kind items and services
|
DUPIXENT | General | $14.71 |
| Sanofi and Genzyme US Companies |
Food and Beverage
In-kind items and services
|
DUPIXENT | General | $14.69 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
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 |
|---|---|---|---|---|
|
30801
Destruction of soft tissue of nasal passages
|
455 | 164 | $556.00 | $167.32 |
|
99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
|
330 | 216 | $150.00 | $71.15 |
|
92504
Exam of ear using a microscope
|
185 | 121 | $82.00 | $22.38 |
|
99203
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
|
59 | 59 | $220.00 | $86.98 |
|
99204
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
|
53 | 53 | $337.00 | $128.77 |
|
92567
Test to assess middle ear function
|
36 | 32 | $38.00 | $12.43 |
|
69210
Removal of impacted ear wax
|
26 | 26 | $108.00 | $36.40 |
|
31231
Diagnostic exam of nasal passages using an endoscope
|
21 | 18 | $482.00 | $143.51 |
|
31575
Diagnostic exam of voice box using a flexible endoscope
|
17 | 17 | $355.00 | $93.29 |
|
99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
|
13 | 13 | $219.00 | $100.51 |
|
92557
Comprehensive hearing and speech recognition test
|
12 | 12 | $101.00 | $26.46 |
|
69433
Incision of eardrum with insertion of eardrum tube under local or topical anesthesia
|
11 | 11 | $546.00 | $155.96 |
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 |
|---|---|---|---|---|---|
| Famotidine | Famotidine | 92 | 5,147 | $409.10 | 29 |
| Fluticasone Propionate | Fluticasone Propionate | 66 | 3,270 | $742.22 | 15 |
| Omeprazole | Omeprazole | 63 | 4,360 | $390.16 | 22 |
| Mupirocin | Mupirocin | 63 | 1,113 | $357.47 | 45 |
| Pantoprazole Sodium | Pantoprazole Sodium | 62 | 4,200 | $459.09 | 17 |
| Tobramycin-Dexamethasone | Tobramycin/Dexamethasone | 34 | 468 | $2,339.25 | 21 |
| Ipratropium Bromide | Ipratropium Bromide | 23 | 716 | $376.16 | 11 |
| Azelastine Hcl | Azelastine Hcl | 22 | 1,200 | $621.15 | — |
| Prednisone | Prednisone | 19 | 181 | $39.57 | 18 |
| Montelukast Sodium | Montelukast Sodium | 18 | 1,020 | $55.56 | — |
| Levocetirizine Dihydrochloride | Levocetirizine Dihydrochloride | 15 | 1,126 | $180.41 | — |
| Ofloxacin | Ofloxacin | 14 | 229 | $466.37 | 13 |
| Dexlansoprazole Dr | Dexlansoprazole | 14 | 1,080 | $6,336.86 | — |
| Cefdinir | Cefdinir | 13 | 130 | $317.94 | — |
| Cefprozil | Cefprozil | 12 | 141 | $238.16 | — |
| Cevimeline Hcl | Cevimeline Hcl | 11 | 330 | $345.29 | — |
| Mometasone Furoate | Mometasone Furoate | 11 | 290 | $158.17 | — |
| Amoxicillin-Clavulanate Potass | Amoxicillin/Potassium Clav | 11 | 118 | $117.68 | — |
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: 363A00000X
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
NUCC Taxonomy Code: 363AS0400X
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - PHYSICIAN ASSISTANT
I20040505000084
IA
7315935665
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.
Physician Assistant
Otolaryngology
Doctor of Medicine (M.D.)
Otolaryngology
Doctor of Osteopathic Medicine (D.O.), Master of Public Health
Speech-Language Pathologist
Speech-Language Pathologist (Certificate of Clinical Competence)
Audiologist
Doctor of Audiology, CCCA
Audiologist
Doctor of Audiology, CCCA, FAAA
Career & Practice History
NPI enumerated December 23, 2005.
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 August 2026.
NPI Administrative Meta
Other Physician Assistants in West Des Moines
- Kelsi Griffiths, PA-C
- Nicholas Vellema, PA-C
- Erin Steffenson
- Lyndsey Buhlmann, PA-C
- Caitlin Studley, PA-C
- Samantha Banzhaf, PA-C
Mailing Address
105 Valley West Dr, Suite 100
West Des Moines, IA 502653902
Phone: 5152234368