Dr. Kenneth Willard Brewster III, MD
- Medicare services, 2022
- 135
- Part D claims, 2024
- 468
- Industry payments
- $1,423
- Medical group
- 1
- State license
- 1
- Practice address
- Plaza Del Carmen Mall # 24 Carr 172, Caguas, PR 00725
- Practice phone
- Call (787) 286-6060
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
Find Dr. Brewster's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Kenneth Willard Brewster III is a general practice physician in Caguas, Puerto Rico
Dr. Brewster practices with HIMA San Pablo Caguas Hospital, a medical group.
Dr. Brewster's NPI, 1508809708, was assigned on June 14, 2006. Dr. Brewster holds Puerto Rico license 16048.
- NPI
- 1508809708NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799798294
- NPI enumeration date
- June 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 286-6060
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kenneth Willard Brewster III's practice address is in Caguas, Puerto Rico
Dr. Brewster's practice address in the NPI Registry is Plaza Del Carmen Mall # 24 Carr 172, Caguas, PR 00725. The practice phone is (787) 286-6060.
- NPI Registry addressPlaza Del Carmen Mall # 24 Carr 172, Caguas, PR 00725Phone(787) 286-6060
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kenneth Willard Brewster III is affiliated with 1 medical group
Dr. Brewster is part of HIMA San Pablo Caguas Hospital, a medical group in Caguas, Puerto Rico.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Kenneth Willard Brewster III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brewster practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HIMA San Pablo Caguas Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across HIMA San Pablo Caguas Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kenneth Willard Brewster III is one of 2,604 general practice physicians in Puerto Rico
General practice is Dr. Brewster's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Brewster is licensed in Puerto Rico.
Specialties and state licenses
- General practice, Puerto RicoPrimary
General practice physicians near Dr. Brewster
Counts of general practice physicians 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. Kenneth Willard Brewster III billed Medicare for 135 services in 2022
CMS data shows 135 Medicare services from Dr. Brewster across 3 procedure codes in 2022. Medicare paid $7,174 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Brewster's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1142022: 9021%
- Tests and treatments
- 2021: 712022: 4537%
Dr. Brewster compared with the Puerto Rico median for general practice physicians, 2022
- Dr. Brewster
- Puerto Rico median
- Medicare services
- 135vs 344.0 times
- Part D claims
- 249vs 73566% below
Medians across 3,001 general practice physicians in Puerto Rico with Dmand AI profiles that report each measure.
Dr. Brewster's most billed Medicare procedure codes, 2022
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. Brewster and other general practice physicians in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kenneth Willard Brewster III wrote 468 Medicare Part D claims in 2024
In 2024, Dr. Brewster wrote 468 Medicare Part D claims for 26 patients. 83% of them were for generic drugs. CMS names the drug for 249 of them, across 7 drugs with 11 or more claims each, at $3,309 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.
Dr. Brewster's Part D claims by kind of drug, 2024
- Generic390 claims83%
- Brand-name and other78 claims17%
Dr. Brewster'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: 262024: 249858%
Drugs named by CMS: 7 in 2024, 2 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
How Dr. Kenneth Willard Brewster III takes part in Medicare
Dr. Brewster accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Kenneth Willard Brewster III received $1,423 in industry payments from 2016 to 2025
CMS Open Payments shows 31 general payments to Dr. Brewster from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $500.
General payments to Dr. Brewster by program year, 2016 to 2025
Companies that paid Dr. Brewster the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Kenneth Willard Brewster III'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 |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Kenneth Willard Brewster III
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. Kenneth Willard Brewster III's NPI number?
Dr. Kenneth Willard Brewster III's NPI number is 1508809708. It was assigned on June 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Kenneth Willard Brewster III?
Dr. Kenneth Willard Brewster III is a general practice physician in Caguas, Puerto Rico. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Kenneth Willard Brewster III practice?
Dr. Brewster practices at Plaza Del Carmen Mall # 24 Carr 172, Caguas, PR 00725. Dr. Brewster's primary practice is HIMA San Pablo Caguas Hospital, a medical group.
What is Dr. Kenneth Willard Brewster III's office phone number?
The practice phone on file for Dr. Brewster is (787) 286-6060.
What is Dr. Kenneth Willard Brewster III's medical license number?
Dr. Brewster holds Puerto Rico license 16048.
What medical group is Dr. Kenneth Willard Brewster III part of?
Dr. Brewster is part of HIMA San Pablo Caguas Hospital in Caguas, Puerto Rico.
Does Dr. Kenneth Willard Brewster III accept Medicare?
Yes. CMS data shows Dr. Brewster billed Medicare for 135 services in 2022, and Dr. Brewster accepts Medicare assignment.
What services does Dr. Kenneth Willard Brewster III bill to Medicare?
In 2022, Dr. Brewster's most billed Medicare services were emergency department visit (99284), heart test or procedure (93010) and emergency department visit (99283).
What drugs does Dr. Kenneth Willard Brewster III prescribe most?
In 2024 Medicare Part D data, Dr. Brewster's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Metformin HCl.
Has Dr. Kenneth Willard Brewster III received payments from drug or device companies?
CMS Open Payments shows $1,423 in general payments to Dr. Brewster from 9 companies from 2016 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Dr. Kenneth Willard Brewster III been practicing?
Dr. Brewster's NPI was assigned in 2006.
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