Katherine M. Sumner, RPAC
- Medicare services, 2024
- 471
- Medicare patients, 2024
- 132
- Part D claims, 2024
- 9,571
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 1091 Main St, Buffalo, NY 14209
- Practice phone
- Call (716) 692-3302
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
General Physician
Buffalo, New York
Find Katherine Sumner'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.
Katherine M. Sumner is a physician assistant in Buffalo, New York
Katherine Sumner practices at General Physician in Buffalo, New York.
Katherine Sumner's NPI, 1033500988, was assigned on February 13, 2015. Katherine Sumner holds New York license 018399.
- NPI
- 1033500988NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931426145
- NPI enumeration date
- February 13, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (716) 692-3302
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine M. Sumner practices at General Physician in Buffalo, New York
Katherine Sumner's primary practice is General Physician, at 1091 Main St, Buffalo, NY 14209 in Erie County. The practice phone is (716) 692-3302.
- General Physician1091 Main St, Buffalo, NY 14209 · Erie CountyPhone(716) 692-3302
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Katherine M. Sumner is affiliated with 5 sites of care and 2 medical groups
Katherine Sumner's primary practice is General Physician in Buffalo, New York. Katherine Sumner is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. The medical group on file is General Physician. Dmand AI also links Katherine Sumner to 2 more group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Katherine M. Sumner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Sumner practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| General Physician | Available with a free account |
| +4 more sites and 1 medical group | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Katherine M. Sumner is one of 11,456 physician assistants in New York
Physician assistant is Katherine Sumner's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Katherine Sumner is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Katherine Sumner is licensed in New York.
Specialties and state licenses
- Physician assistant, New YorkPrimary
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, adjustment disease, alcohol use disorders, anxiety, arthritis, benign or precancerous skin growths and chest wall injury among the conditions Katherine Sumner treats.
Physician assistants near Katherine Sumner
Counts of physician assistants 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
Katherine M. Sumner billed Medicare for 471 services in 2024
CMS data shows 471 Medicare services from Katherine Sumner across 7 procedure codes in 2024, for 132 Medicare patients. Medicare paid $23,370 for them. Every service was in an office.
Katherine Sumner's Medicare services by type, 2024
- Office and hospital visits194
- Surgery103
- Other services85
- Tests and treatments45
- Lab and pathology44
Katherine Sumner compared with the New York median for physician assistants, 2024
- Katherine Sumner
- New York median
- Medicare services
- 471vs 1762.7 times
- Medicare patients
- 132vs 7869% above
- Part D claims
- 8,786vs 24535.9 times
Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.
Katherine Sumner'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.
Need commercial claims for Katherine Sumner?
Medicare shows one payer. Book a meeting to get commercial claims data for Katherine Sumner and other physician assistants in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Katherine M. Sumner treated 132 Medicare patients in 2024, average age 72
CMS counts 132 Medicare patients who saw Katherine Sumner in 2024. The largest group is 65 to 74, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Katherine Sumner's median patient age at 56, with 69% women.
Katherine Sumner's Medicare patients by age, 2024
Katherine Sumner's Medicare patients by sex, 2024
- Women9773%
- Men3527%
Chronic conditions among Katherine Sumner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease62%
- Arthritis45%
- Mood disorders41%
- Depression38%
- Anxiety37%
- Diabetes33%
Share of Medicare patients with each condition. A patient can have several.
Katherine Sumner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women69%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Katherine M. Sumner wrote 9,571 Medicare Part D claims in 2024
In 2024, Katherine Sumner wrote 9,571 Medicare Part D claims for 1,629 patients. 84% of them were for generic drugs. CMS names the drug for 8,786 of them, across 140 drugs with 11 or more claims each, at $1,162,848 in total drug cost.
Katherine Sumner's Part D claims by kind of drug, 2024
- Generic8,031 claims84%
- Brand-name1,465 claims15%
- Other75 claims1%
Katherine Sumner'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 Katherine Sumner's Part D claims, 2024
- Opioids1%82 of 9,571 claims
- Antibiotics1%133 of 9,571 claims
- Antipsychotics, patients 65 and over0%14 of 9,571 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Katherine M. Sumner offers telehealth to Medicare patients
Katherine Sumner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Katherine Sumner as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Katherine M. Sumner is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Katherine M. Sumner'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 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) |
| 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 Katherine M. Sumner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Katherine M. Sumner's NPI number?
Katherine M. Sumner's NPI number is 1033500988. It was assigned on February 13, 2015, and it is active in the NPI Registry.
What does Katherine M. Sumner specialize in?
Katherine M. Sumner is a physician assistant in Buffalo, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Katherine M. Sumner practice?
Katherine Sumner practices at 1091 Main St, Buffalo, NY 14209. Katherine Sumner's primary practice is General Physician in Buffalo, New York. Dmand AI also links Katherine Sumner to 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Katherine M. Sumner's office phone number?
The practice phone on file for Katherine Sumner is (716) 692-3302.
What is Katherine M. Sumner's medical license number?
Katherine Sumner holds New York license 018399.
Which hospitals is Katherine M. Sumner affiliated with?
Katherine Sumner is affiliated with Buffalo General Medical Center/Gates Vascular Institute.
What medical group is Katherine M. Sumner part of?
Katherine Sumner is linked to General Physician. Dmand AI links Katherine Sumner to 1 more medical group.
Does Katherine M. Sumner accept Medicare?
Yes. CMS data shows Katherine Sumner billed Medicare for 471 services in 2024, and Katherine Sumner accepts Medicare assignment.
Does Katherine M. Sumner offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Katherine Sumner as offering telehealth services.
How many Medicare patients does Katherine M. Sumner see?
CMS counts 132 Medicare patients who saw Katherine Sumner in 2024, with an average age of 72.
Show 4 more questionsShow fewer questions
Is Katherine M. Sumner board certified?
Yes. Katherine Sumner is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What services does Katherine M. Sumner bill to Medicare?
In 2024, Katherine Sumner's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and medicare service (G0439).
What drugs does Katherine M. Sumner prescribe most?
In 2024 Medicare Part D data, Katherine Sumner's most prescribed drugs by claims were Rosuvastatin Calcium, Amlodipine Besylate and Atorvastatin Calcium.
How long has Katherine M. Sumner been practicing?
Katherine Sumner graduated from medical school in 2014, 12 years ago.
Selling to physician assistant practices?
See physician assistants in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card