Katherine M. Sumner, RPAC

  • Buffalo, NY
  • Physician assistant
NPI1033500988PAC ID9931426145
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
Social profiles

Primary practice

General Physician

Buffalo, New York

See all 7 affiliations

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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 and contact details
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
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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 Physician
    1091 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.

See all 7 affiliations for Katherine Sumner

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.

EHR by site
SiteEHR vendor and product
General PhysicianAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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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 YorkPrimaryLicense 018399 · taxonomy 363A00000X

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.

Medicare services, 2024471
Medicare patients132
Paid by Medicare$23,370
Procedure codes7

Katherine Sumner's Medicare services by type, 2024

  1. Office and hospital visits194
  2. Surgery103
  3. Other services85
  4. Tests and treatments45
  5. 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.

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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.

Medicare patients, 2024132
Average age72
Average risk score1.55
Also on Medicaid24%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease62%
  4. Arthritis45%
  5. Mood disorders41%
  6. Depression38%
  7. Anxiety37%
  8. 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.

Part D claims, 20249,571
Drugs named by CMS140
Total drug cost$1.2M
Part D patients1,629

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.

See all prescribing by Katherine Sumner

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

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Katherine M. Sumner is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Katherine M. Sumner's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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.

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