Arnessa Williams Weston, ARNP

  • Buffalo, NY
  • Nurse practitioner
NPI1689185258PAC ID2062774334
Medicare services, 2024
630
Medicare patients, 2024
207
Part D claims, 2024
471
Hospital affiliations
4
Industry payments
$21
Practice address
565 Abbott Road, Buffalo, NY 14220
Practice phone
Call (716) 826-7000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mercy Hospital of Buffalo

Hospital · Buffalo, New York

See all 10 affiliations

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Arnessa Williams Weston is a nurse practitioner in Buffalo, New York

Arnessa Weston practices at Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System.

Arnessa Weston's NPI, 1689185258, was assigned on October 23, 2017. Arnessa Weston holds Florida license 9329061.

NPI and contact details
Medicare PAC ID
2062774334
NPI enumeration date
October 23, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(716) 826-7000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Arnessa Williams Weston practices at Mercy Hospital of Buffalo in Buffalo, New York

Arnessa Weston's primary practice is Mercy Hospital of Buffalo, at 565 Abbott Road, Buffalo, NY 14220 in Erie County. The practice phone is (716) 826-7000.

Source: Dmand AI Affiliation Data

Arnessa Williams Weston is affiliated with 7 sites of care and 3 medical groups

Arnessa Weston's primary practice is Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System. Arnessa Weston is also affiliated with AdventHealth Orlando. The medical group on file is Cogent Medical Care PC. Dmand AI also links Arnessa Weston to 2 more hospitals, 2 home health agencies, 2 medical groups and 1 physician office, each named with a free account.

See all 10 affiliations for Arnessa Weston

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Arnessa Williams Weston's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Arnessa Weston practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mercy Hospital of BuffaloAvailable with a free account
+6 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Arnessa Williams Weston is one of 1,991 nurse practitioners in New York

Nurse practitioner is Arnessa Weston's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Arnessa Weston is licensed in Florida.

Specialties and state licenses

  • Nurse practitioner, FloridaPrimaryLicense 9329061 · taxonomy 363L00000X

Clinical focus

Dmand AI lists alcohol use disorders, anxiety, arthritis, asthma, chronic diabetes, chronic kidney disease, chronic obstructive pulmonary disease (COPD) and enlarged prostate among the conditions Arnessa Weston treats.

Nurse practitioners near Arnessa Weston

Counts of nurse practitioners 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

Arnessa Williams Weston billed Medicare for 630 services in 2024

CMS data shows 630 Medicare services from Arnessa Weston across 9 procedure codes in 2024, for 207 Medicare patients. Medicare paid $56,998 for them.

Medicare services, 2024630
Medicare patients207
Paid by Medicare$56,998
Procedure codes9

Arnessa Weston's Medicare services by type, 2024

  1. Office and hospital visits584
  2. Other services46

Where Arnessa Weston's Medicare services took place, 2024

  • In an office55288%
  • In a facility7812%

Arnessa Weston compared with the New York median for nurse practitioners, 2024

  • Arnessa Weston
  • New York median
Medicare services
630vs 42349% above
Medicare patients
207vs 952.2 times
Part D claims
202vs 68270% below

Medians across 1,039 nurse practitioners in New York with Dmand AI profiles that report each measure.

Arnessa Weston'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.

See all procedures by Arnessa Weston

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Arnessa Williams Weston treated 207 Medicare patients in 2024, average age 76

CMS counts 207 Medicare patients who saw Arnessa Weston in 2024. The largest group is 75 to 84, with 77 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.84, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Arnessa Weston's median patient age at 75, with 60% women.

Medicare patients, 2024207
Average age76
Average risk score2.84
Also on Medicaid27%

Arnessa Weston's Medicare patients by age, 2024

Arnessa Weston's Medicare patients by sex, 2024

  • Women12259%
  • Men8541%

Chronic conditions among Arnessa Weston's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis63%
  4. Diabetes57%
  5. Ischemic heart disease52%
  6. Chronic kidney disease50%
  7. Heart failure45%
  8. Mood disorders44%

Share of Medicare patients with each condition. A patient can have several.

Arnessa Weston's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women60%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Arnessa Williams Weston wrote 471 Medicare Part D claims in 2024

In 2024, Arnessa Weston wrote 471 Medicare Part D claims for 74 patients. 85% of them were for generic drugs. CMS names the drug for 202 of them, across 11 drugs with 11 or more claims each, at $22,604 in total drug cost.

Part D claims, 2024471
Drugs named by CMS11
Total drug cost$22,604
Part D patients74

Arnessa Weston's Part D claims by kind of drug, 2024

  • Generic401 claims85%
  • Brand-name and other70 claims15%

Arnessa Weston'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 Arnessa Weston's Part D claims, 2024

  • Antibiotics7%34 of 471 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 Arnessa Weston

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

Arnessa Williams Weston scored 0 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Arnessa Weston for performance year 2024, reported as part of a virtual group. Arnessa Weston accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Arnessa Weston as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Arnessa Weston's MIPS scores, performance year 2024

  • 0of 100Final score
  • 0of 100Quality
  • 0of 100Improvement Activities
  • 0of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Arnessa Williams Weston received $21 in industry payments in 2024

CMS Open Payments shows 1 general payment to Arnessa Weston from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $21.

Companies that paid Arnessa Weston the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Arnessa Weston

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Arnessa Williams Weston'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Arnessa Williams Weston

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Arnessa Williams Weston's NPI number?

Arnessa Williams Weston's NPI number is 1689185258. It was assigned on October 23, 2017, and it is active in the NPI Registry.

What does Arnessa Williams Weston specialize in?

Arnessa Williams Weston is a nurse practitioner in Buffalo, New York. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Arnessa Williams Weston practice?

Arnessa Weston practices at 565 Abbott Road, Buffalo, NY 14220. Arnessa Weston's primary practice is Mercy Hospital of Buffalo in Buffalo, New York, part of Catholic Health System. Dmand AI also links Arnessa Weston to 2 hospitals, 2 home health agencies, 2 medical groups and 1 physician office.

What is Arnessa Williams Weston's office phone number?

The practice phone on file for Arnessa Weston is (716) 826-7000.

What is Arnessa Williams Weston's medical license number?

Arnessa Weston holds Florida license 9329061.

Which hospitals is Arnessa Williams Weston affiliated with?

Arnessa Weston practices at Mercy Hospital of Buffalo in Buffalo, New York. Arnessa Weston is also affiliated with AdventHealth Orlando. Dmand AI links Arnessa Weston to 2 more hospitals.

What medical group is Arnessa Williams Weston part of?

Arnessa Weston is linked to Cogent Medical Care PC. Dmand AI links Arnessa Weston to 2 more medical groups.

Does Arnessa Williams Weston accept Medicare?

Yes. CMS data shows Arnessa Weston billed Medicare for 630 services in 2024, and Arnessa Weston accepts Medicare assignment.

Does Arnessa Williams Weston offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Arnessa Weston as offering telehealth services.

What is Arnessa Williams Weston's MIPS score?

Arnessa Weston's MIPS final score for performance year 2024 is 0 out of 100, reported as part of a virtual group.

Show 5 more questionsShow fewer questions

How many Medicare patients does Arnessa Williams Weston see?

CMS counts 207 Medicare patients who saw Arnessa Weston in 2024, with an average age of 76.

What services does Arnessa Williams Weston bill to Medicare?

In 2024, Arnessa Weston's most billed Medicare services were home visit (99349), care management and other visits (99497) and hospital inpatient care (99223).

What drugs does Arnessa Williams Weston prescribe most?

In 2024 Medicare Part D data, Arnessa Weston's most prescribed drugs by claims were Gabapentin, Eliquis and Amlodipine Besylate.

Has Arnessa Williams Weston received payments from drug or device companies?

CMS Open Payments shows $21 in general payments to Arnessa Weston from 1 company from 2024 to 2024. The largest total came from Pfizer Inc.

How long has Arnessa Williams Weston been practicing?

Arnessa Weston graduated from medical school in 2010, 16 years ago.

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