Dr. William Blakeley Kerr, MD
- Medicare services, 2024
- 1,045
- Medicare patients, 2024
- 441
- Part D claims, 2024
- 4,118
- Industry payments
- $150
- Affiliated sites
- 2
- Practice address
- 240 Meeting House Ln, Southampton, NY 11968
- Practice phone
- Call (631) 726-8200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southampton Hospital
Southampton, New York
Find Dr. Kerr'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. William Blakeley Kerr is a general practice physician in Southampton, New York
Dr. Kerr practices at Southampton Hospital in Southampton, New York.
Dr. Kerr's NPI, 1871681353, was assigned on October 10, 2006. Dr. Kerr graduated from University at Buffalo School of Medicine in 1987. Dr. Kerr holds New York license 183802.
- NPI
- 1871681353NPI Registry (opens in a new tab)
- NPI enumeration date
- October 10, 2006
- NPI status
- Active
- Practice phone
- (631) 726-8200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. William Blakeley Kerr practices at Southampton Hospital in Southampton, New York
Dr. Kerr's primary practice is Southampton Hospital, at 240 Meeting House Ln, Southampton, NY 11968 in Suffolk County. The practice phone is (631) 726-8200.
- Southampton Hospital240 Meeting House Ln, Southampton, NY 11968 · Suffolk CountyPhone(631) 726-8200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Blakeley Kerr is affiliated with 3 sites of care and 1 medical group
Dr. Kerr's primary practice is Southampton Hospital in Southampton, New York. The medical group on file is Meeting House Lane Medical Practice. Dmand AI also links Dr. Kerr to 1 more physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William Blakeley Kerr's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kerr practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southampton Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Blakeley Kerr is one of 397 general practice physicians in New York
General practice is Dr. Kerr's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Kerr is licensed in New York.
Specialties and state licenses
- General practice, New YorkPrimary
General practice physicians near Dr. Kerr
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. William Blakeley Kerr billed Medicare for 1,045 services in 2024
CMS data shows 1,045 Medicare services from Dr. Kerr across 5 procedure codes in 2024, for 441 Medicare patients. Medicare paid $76,526 for them. Every service was in an office.
Dr. Kerr's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0202024: 67734%
- Surgery
- 2023: 3442024: 24928%
- Other services
- 2023: 2192024: 8959%
- Tests and treatments
- 2023: 1312024: 3077%
- Lab and pathology
- 2023: 132024: 0100%
Dr. Kerr compared with the New York median for general practice physicians, 2024
- Dr. Kerr
- New York median
- Medicare services
- 1,045vs 3562.9 times
- Medicare patients
- 441vs 1403.1 times
- Part D claims
- 3,447vs 12627.4 times
Medians across 362 general practice physicians in New York with Dmand AI profiles that report each measure.
Dr. Kerr's most billed Medicare procedure codes, 2024
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Blakeley Kerr treated 441 Medicare patients in 2024, average age 77
CMS counts 441 Medicare patients who saw Dr. Kerr in 2024. The largest group is 75 to 84, with 186 patients. 73% of them have high cholesterol, and 54% have high blood pressure. 6% are also on Medicaid. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kerr's median patient age at 72, with 52% women.
Dr. Kerr's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kerr's Medicare patients by sex, 2024
- Women25658%
- Men18542%
Chronic conditions among Dr. Kerr's Medicare patients, 2024
- High cholesterol73%
- High blood pressure54%
- Arthritis40%
- Anxiety28%
- Ischemic heart disease22%
- Cancer16%
- Osteoporosis15%
- Atrial fibrillation14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kerr's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women52%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Blakeley Kerr wrote 4,118 Medicare Part D claims in 2024
In 2024, Dr. Kerr wrote 4,118 Medicare Part D claims for 480 patients. 88% of them were for generic drugs. CMS names the drug for 3,447 of them, across 89 drugs with 11 or more claims each, at $154,878 in total drug cost. In 2023, CMS named 4,044 claims across 98 drugs.
Dr. Kerr's Part D claims by kind of drug, 2024
- Generic3,605 claims88%
- Brand-name and other513 claims12%
Dr. Kerr'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.
Drug classes CMS tracks in Dr. Kerr's Part D claims, 2024
- Opioids2%81 of 4,118 claims
- Antibiotics6%237 of 4,118 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,0442024: 3,44715%
Drugs named by CMS: 89 in 2024, 98 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 Blakeley Kerr received $150 in industry payments from 2016 to 2021
CMS Open Payments shows 8 general payments to Dr. Kerr from 5 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 91% of the total. AstraZeneca Pharmaceuticals LP paid the most, $52.
General payments to Dr. Kerr by program year, 2016 to 2021
General payments to Dr. Kerr by kind, 2016 to 2021
- Food and beverage$13691%
- Education$149%
Companies that paid Dr. Kerr the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Blakeley Kerr graduated from University at Buffalo School of Medicine
Dr. Kerr graduated from University at Buffalo School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Blakeley Kerr'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Blakeley Kerr
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 Blakeley Kerr's NPI number?
Dr. William Blakeley Kerr's NPI number is 1871681353. It was assigned on October 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Blakeley Kerr?
Dr. William Blakeley Kerr is a general practice physician in Southampton, New York. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. William Blakeley Kerr practice?
Dr. Kerr practices at 240 Meeting House Ln, Southampton, NY 11968. Dr. Kerr's primary practice is Southampton Hospital in Southampton, New York. Dmand AI also links Dr. Kerr to 1 physician office and 1 group practice or clinic.
What is Dr. William Blakeley Kerr's office phone number?
The practice phone on file for Dr. Kerr is (631) 726-8200.
What is Dr. William Blakeley Kerr's medical license number?
Dr. Kerr holds New York license 183802.
What medical group is Dr. William Blakeley Kerr part of?
Dr. Kerr is linked to Meeting House Lane Medical Practice.
Does Dr. William Blakeley Kerr accept Medicare?
Yes. CMS data shows Dr. Kerr billed Medicare for 1,045 services in 2024.
How many Medicare patients does Dr. William Blakeley Kerr see?
CMS counts 441 Medicare patients who saw Dr. Kerr in 2024, with an average age of 77.
What services does Dr. William Blakeley Kerr bill to Medicare?
In 2024, Dr. Kerr's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: heart and blood vessels (36415).
Where did Dr. William Blakeley Kerr go to medical school?
Dr. Kerr graduated from University at Buffalo School of Medicine in 1987.
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What drugs does Dr. William Blakeley Kerr prescribe most?
In 2024 Medicare Part D data, Dr. Kerr's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. William Blakeley Kerr received payments from drug or device companies?
CMS Open Payments shows $150 in general payments to Dr. Kerr from 5 companies from 2016 to 2021. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. William Blakeley Kerr been practicing?
Dr. Kerr graduated from medical school in 1987, 39 years ago.
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