Dr. William Jackson Dunn , DDS
Dentist - General Practice • San Antonio, TX
238 N Loop 1604 W Ste 201
San Antonio, TX 782321455
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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Dr. William Dunn is listed in NPPES under Dentist - General Practice.
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NPI assigned on October 3, 2006; this date does not establish years in practice.
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Published CMS data list 64 Medicare Part D prescriptions, including refills, in 2022.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2022. Published rows only; this is not a quality measure.
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Published Part D records, 2022:
- Amoxicillin — 25 prescription fills, including refills.
- Tramadol Hcl — 23 prescription fills, including refills.
- Ibuprofen — 16 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2022. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See the full table · Guide: How to read Medicare Part D prescriber data
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Medicare Part D prescriptions went from 30 in 2017 to 64 in 2022.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2017–2022.
Practice Location & Contact Primary Location
238 N Loop 1604 W Ste 201
San Antonio, TX 782321455
What Public CMS Data Show
Dentist - General Practice: NPPES taxonomy is a reported classification, not proof of board certification.
30-day fills
64 standardized 30-day fills in 2022
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
$260 in 2022
The total cost of these prescriptions in 2022, 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, 2022.
Open Payments general payments, program year 2024
All general payments: $36.52 across 2 records.
By nature of payment
- Food and Beverage: $36.52 across 2 records.
Reporting-company totals
- Dentsply Sirona Inc: $22.28 across 1 record.
- COLGATE ORAL PHARMACEUTICALS, INC.: $14.24 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 2024 (published June 30, 2026).
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.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
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.
Compared with the same specialty in San Antonio and Texas
Billing and prescribing volume is not a quality rating.
Medicare Part D
Comparisons use 2024 data. The latest CMS data for Dr. Dunn are from 2022.
752 active clinicians are listed under Dentist - General Practice with a practice address in San Antonio, TX (10,075 in Texas).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in San Antonio
0% of these 752 clinicians have the CMS telehealth indicator.
0.1% of these 752 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.
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Medicare Part D prescriptions
Medicare Part D prescriptions increased 113% from 30 in 2017 to 64 in 2022.
- 2017: 30
- 2020: 13
- 2021: 57
- 2022: 64
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30-day fills
30-day fills increased 113% from 30 in 2017 to 64 in 2022.
- 2017: 30
- 2020: 13
- 2021: 57
- 2022: 64
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Part D drug cost
Part D drug cost went from $118 in 2017 to $260 in 2022.
- 2017: $118
- 2020: $41
- 2021: $264
- 2022: $260
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Industry payments (Open Payments)
Industry payments (Open Payments) decreased 98% from $1,571.00 in 2021 to $36.52 in 2024.
- 2021: $1,571.00
- 2022: $168.82
- 2023: $13.77
- 2024: $36.52
Sources: CMS Medicare Part D Prescribers (2022), CMS Open Payments (2024), 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 2024 (payments made January 1 – December 31, 2024): fewer than 11 records totaling $36.52.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Dentsply Sirona Inc |
Food and Beverage
In-kind items and services
|
CAVITRON | General | $22.28 |
| COLGATE ORAL PHARMACEUTICALS, INC. |
Food and Beverage
In-kind items and services
|
— | General | $14.24 |
Source: CMS Open Payments, program year 2024, released June 30, 2026.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2022.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Amoxicillin | Amoxicillin | 25 | 239 | $134.54 | 25 |
| Tramadol Hcl | Tramadol Hcl | 23 | 92 | $46.35 | 21 |
| Ibuprofen | Ibuprofen | 16 | 160 | $79.47 | 15 |
Source: CMS Part D by Provider and Drug, 2022; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 1223G0001X
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
Additional State Medicaid & Healthcare Payer Identifiers
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 238 N LOOP 1604 W STE 201, SAN ANTONIO, TX 782321455 (Tel: 2104657075)
NPI status registered as active in NPPES database
Registered at 81 DS/SGD, 606 FISHER STREET, KEESLER AFB, MS 39534 (Tel: 2283773003)
Registered at 81 DS/SGD, 606 FISHER STREET, KEESLER AFB, MS 39534 (Tel: 2283773003)
Recorded as WILLIAM DUNN, DDS
Dentist (license number reported to NPPES: TX 15142)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Dentist - General Practices in San Antonio
- Dr. John Carey, DDS
- Dr. Ogechi Obiakor, DDS
- Dr. Habib Rahemtulla, DDS
- Dr. Haleh Mirmiran, DDS
- Dr. Khaled Tarboush, DDS
- Dr. Robert Rabe, DMD
Mailing Address
81 Ds/sgd, 606 Fisher Street
Keesler Afb, MS 39534
Phone: 2283773003