Dr. William Martin Townsend, MD
- Medicare services, 2019
- 50
- Part D claims, 2024
- 77
- Industry payments
- $826
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- PR
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Townsend's professional email, personal email and mobile number
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Dr. William Martin Townsend is an ophthalmologist in Puerto Rico
Dr. Townsend practices in Puerto Rico.
Dr. Townsend's NPI, 1407897283, was assigned on June 10, 2006. Dr. Townsend holds Puerto Rico license 3025.
- NPI
- 1407897283NPI Registry (opens in a new tab)
- NPI enumeration date
- June 10, 2006
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dmand AI tracks the EHR system at Dr. William Martin Townsend's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Townsend practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Townsend's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Martin Townsend is one of 188 ophthalmologists in Puerto Rico
Ophthalmology is Dr. Townsend's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Townsend is licensed in Puerto Rico.
Specialties and state licenses
- Ophthalmology, Puerto RicoPrimary
Ophthalmologists near Dr. Townsend
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William Martin Townsend billed Medicare for 50 services in 2019
CMS data shows 50 Medicare services from Dr. Townsend across 2 procedure codes in 2019. Medicare paid $2,172 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Townsend's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Tests and treatments
- 2018: 582019: 5014%
Dr. Townsend compared with the Puerto Rico median for ophthalmologists, 2019
- Dr. Townsend
- Puerto Rico median
- Medicare services
- 50vs 12058% below
- Part D claims
- 48vs 2,61998% below
Medians across 196 ophthalmologists in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Townsend's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Townsend and other ophthalmologists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Martin Townsend wrote 77 Medicare Part D claims in 2024
In 2024, Dr. Townsend wrote 77 Medicare Part D claims for 14 patients. 44% of them were for generic drugs. CMS names the drug for 48 of them, across 4 drugs with 11 or more claims each, at $8,372 in total drug cost. In 2023, CMS named 36 claims across 3 drugs.
Dr. Townsend's Part D claims by kind of drug, 2024
- Generic34 claims44%
- Brand-name43 claims56%
Dr. Townsend'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 362024: 4833%
Drugs named by CMS: 4 in 2024, 3 in 2023.
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
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Dr. William Martin Townsend received $826 in industry payments from 2018 to 2025
CMS Open Payments shows 8 general payments to Dr. Townsend from 6 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 99% of the total. Genentech, Inc. paid the most, $350.
General payments to Dr. Townsend by program year, 2018 to 2025
General payments to Dr. Townsend by kind, 2018 to 2025
- Food and beverage$81599%
- Education$111%
Companies that paid Dr. Townsend the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Martin Townsend's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Part D prescribing | Medicare 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William Martin Townsend
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 Martin Townsend's NPI number?
Dr. William Martin Townsend's NPI number is 1407897283. It was assigned on June 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Martin Townsend?
Dr. William Martin Townsend is an ophthalmologist in Puerto Rico. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
What is Dr. William Martin Townsend's medical license number?
Dr. Townsend holds Puerto Rico license 3025.
Does Dr. William Martin Townsend accept Medicare?
Yes. CMS data shows Dr. Townsend billed Medicare for 50 services in 2019.
What services does Dr. William Martin Townsend bill to Medicare?
In 2019, Dr. Townsend's most billed Medicare services were eye exam or test (92012) and eye exam or test (92014).
What drugs does Dr. William Martin Townsend prescribe most?
In 2024 Medicare Part D data, Dr. Townsend's most prescribed drugs by claims were Diltiazem 24hr ER, Eliquis and Irbesartan.
Has Dr. William Martin Townsend received payments from drug or device companies?
CMS Open Payments shows $826 in general payments to Dr. Townsend from 6 companies from 2018 to 2025. The largest total came from Genentech, Inc.
How long has Dr. William Martin Townsend been practicing?
Dr. Townsend's NPI was assigned in 2006.
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