Dr. Kenneth G. Halliwell, MD
- Medicare services, 2024
- 362
- Medicare patients, 2024
- 194
- Part D claims, 2024
- 178
- Hospital affiliations
- 1
- Industry payments
- $201,404
- Practice address
- 2157 Main Street, Buffalo, NY 14214
- Practice phone
- Call (716) 862-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Halliwell'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 G. Halliwell is a neurologist in Buffalo, New York
Dr. Halliwell practices at Sisters of Charity Hospital in Buffalo, New York, part of Catholic Health System.
Dr. Halliwell's NPI, 1639338429, was assigned on June 5, 2008. Dr. Halliwell graduated from University at Buffalo School of Medicine in 2003. Dr. Halliwell holds New York license 248880.
- NPI
- 1639338429NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305911991
- NPI enumeration date
- June 5, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (716) 862-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kenneth G. Halliwell practices at Sisters of Charity Hospital in Buffalo, New York
Dr. Halliwell's primary practice is Sisters of Charity Hospital, at 2157 Main Street, Buffalo, NY 14214 in Erie County. The practice phone is (716) 862-1000.
- Sisters of Charity Hospital2157 Main Street, Buffalo, NY 14214 · Erie CountyPhone(716) 862-1000
Source: Dmand AI Affiliation Data
Dr. Kenneth G. Halliwell is affiliated with 2 sites of care and 3 medical groups
Dr. Halliwell's primary practice is Sisters of Charity Hospital in Buffalo, New York, part of Catholic Health System. The medical group on file is Buffalo Medical Group. Dmand AI also links Dr. Halliwell to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kenneth G. Halliwell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Halliwell practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sisters of Charity Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kenneth G. Halliwell is one of 1,489 neurologists in New York
Neurology is Dr. Halliwell's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Halliwell is licensed in New York.
Specialties and state licenses
- Neurology, New YorkPrimary
Neurologists near Dr. Halliwell
Counts of neurologists 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 G. Halliwell billed Medicare for 362 services in 2024
CMS data shows 362 Medicare services from Dr. Halliwell across 6 procedure codes in 2024, for 194 Medicare patients. Medicare paid $64,795 for them. Every service was in an office.
Dr. Halliwell's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1272024: 18445%
- Office and hospital visits
- 2023: 1692024: 1785%
Dr. Halliwell compared with the New York median for neurologists, 2024
- Dr. Halliwell
- New York median
- Medicare services
- 362vs 376Close to median
- Medicare patients
- 194vs 190Close to median
- Part D claims
- 111vs 37570% below
Medians across 1,462 neurologists in New York with Dmand AI profiles that report each measure.
Dr. Halliwell'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. Kenneth G. Halliwell treated 194 Medicare patients in 2024, average age 70
CMS counts 194 Medicare patients who saw Dr. Halliwell in 2024. The largest group is 65 to 74, with 90 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Halliwell's median patient age at 64, with 43% women.
Dr. Halliwell's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Halliwell's Medicare patients by sex, 2024
- Women9750%
- Men9750%
Chronic conditions among Dr. Halliwell's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Mood disorders36%
- Ischemic heart disease35%
- Depression34%
- Anxiety32%
- Diabetes31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Halliwell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women43%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kenneth G. Halliwell wrote 178 Medicare Part D claims in 2024
In 2024, Dr. Halliwell wrote 178 Medicare Part D claims for 34 patients. 76% of them were for generic drugs. CMS names the drug for 111 of them, across 7 drugs with 11 or more claims each, at $492,949 in total drug cost. In 2023, CMS named 114 claims across 6 drugs.
Dr. Halliwell's Part D claims by kind of drug, 2024
- Generic135 claims76%
- Brand-name43 claims24%
Dr. Halliwell'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: 1142024: 1113%
Drugs named by CMS: 7 in 2024, 6 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
Dr. Kenneth G. Halliwell offers telehealth to Medicare patients
Dr. Halliwell accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Halliwell as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Kenneth G. Halliwell received $201,404 in industry payments from 2016 to 2025
CMS Open Payments shows 387 general payments to Dr. Halliwell from 28 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 65% of the total. Harmony Biosciences LLC paid the most, $90,956.
General payments to Dr. Halliwell by program year, 2016 to 2025
General payments to Dr. Halliwell by kind, 2016 to 2025
- Speaker and faculty fees$130,45265%
- Honoraria$33,20016%
- Travel and lodging$21,87411%
- Food and beverage$10,7145%
- Other$5,1643%
Companies that paid Dr. Halliwell the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kenneth G. Halliwell graduated from University at Buffalo School of Medicine
Dr. Halliwell graduated from University at Buffalo School of Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kenneth G. Halliwell'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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) |
| 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. Kenneth G. Halliwell
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 G. Halliwell's NPI number?
Dr. Kenneth G. Halliwell's NPI number is 1639338429. It was assigned on June 5, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Kenneth G. Halliwell?
Dr. Kenneth G. Halliwell is a neurologist in Buffalo, New York. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Kenneth G. Halliwell practice?
Dr. Halliwell practices at 2157 Main Street, Buffalo, NY 14214. Dr. Halliwell's primary practice is Sisters of Charity Hospital in Buffalo, New York, part of Catholic Health System. Dmand AI also links Dr. Halliwell to 2 medical groups and 1 group practice or clinic.
What is Dr. Kenneth G. Halliwell's office phone number?
The practice phone on file for Dr. Halliwell is (716) 862-1000.
What is Dr. Kenneth G. Halliwell's medical license number?
Dr. Halliwell holds New York license 248880.
Which hospitals is Dr. Kenneth G. Halliwell affiliated with?
Dr. Halliwell practices at Sisters of Charity Hospital in Buffalo, New York.
What medical group is Dr. Kenneth G. Halliwell part of?
Dr. Halliwell is linked to Buffalo Medical Group. Dmand AI links Dr. Halliwell to 2 more medical groups.
Does Dr. Kenneth G. Halliwell accept Medicare?
Yes. CMS data shows Dr. Halliwell billed Medicare for 362 services in 2024, and Dr. Halliwell accepts Medicare assignment.
Does Dr. Kenneth G. Halliwell offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Halliwell as offering telehealth services.
How many Medicare patients does Dr. Kenneth G. Halliwell see?
CMS counts 194 Medicare patients who saw Dr. Halliwell in 2024, with an average age of 70.
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What services does Dr. Kenneth G. Halliwell bill to Medicare?
In 2024, Dr. Halliwell's most billed Medicare services were nerve and brain test (95806), office visit, established patient (99213) and nerve and brain test (95811).
Where did Dr. Kenneth G. Halliwell go to medical school?
Dr. Halliwell graduated from University at Buffalo School of Medicine in 2003.
What drugs does Dr. Kenneth G. Halliwell prescribe most?
In 2024 Medicare Part D data, Dr. Halliwell's most prescribed drugs by claims were Zolpidem Tartrate, Zaleplon and Modafinil.
Has Dr. Kenneth G. Halliwell received payments from drug or device companies?
CMS Open Payments shows $201,404 in general payments to Dr. Halliwell from 28 companies from 2016 to 2025. The largest total came from Harmony Biosciences LLC.
How long has Dr. Kenneth G. Halliwell been practicing?
Dr. Halliwell graduated from medical school in 2003, 23 years ago.
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