Madeline Twiss, PA-C
Physician Assistant · Potsdam, NY
Madeline Twiss, PA-C is a physician assistant with a practice address in Potsdam, New York, and NPI 1912428996, issued on Jun 29, 2017. Check the license (New York 020997, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Madeline Twiss
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 020997 NY
Self-reported in NPPES; status is on the state search - Practice location
- 50 Leroy St, Potsdam, NY 13676
- Phone
- (315) 265-3300
- Enumerated
- Jun 29, 2017
- Record last updated
- Mar 31, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170915000331); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 50 Leroy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Adams, FNP-CFamily Nurse Practitioner1164984753
- Caroline Arcand DusseaultOccupational Therapist1144015397
- Mariam Asar, MDChild & Adolescent Psychiatry Physician1649479239
- Timothy Atkinson, M.D.Family Medicine Physician1346239308
- Katherine Baker, RPA-CPhysician Assistant1316971831
- Cynthia Baltazar, M.D.Internal Medicine Physician1790782548
Verify Madeline Twiss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 020997Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average physician assistant in 2024
1,253 Medicare Part D claims for 83 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Trazodone Hcl87 claims
- Duloxetine Hcl81 claims
- Bupropion Xl73 claims
- Lamotrigine70 claims
- Gabapentin65 claims
- Venlafaxine Hcl Er61 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 95.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $151.89
8 payments; by number, the most common kind was food and beverage; the largest payer was Corium, LLC. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Canton-Potsdam HospitalPotsdam, NY · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Madeline Twiss among 15,555 physician assistant records in New York
Madeline Twiss, PA-C is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 47% of them.
- NPI issued2017 · 47% of these records are older, 49% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2017 · median 2018 among the 8,158 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 physician assistant records list a practice address in Potsdam
They are 34 of the 445 NPPES records with a practice address in Potsdam, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Potsdam → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Katherine Baker, RPA-CPotsdam, NY 136761316971831
- Frank Bateman, RPACPotsdam, NY 136761831262567
- Emily Fullerton, PA-CPotsdam, NY 136761528366051
- Terri Joyce, PAPotsdam, NY 136761760544530
- Michelle Kent, RPA-CPotsdam, NY 136761508977356
- Heather MackinnonPotsdam, NY 136761023460607
- Molly Malone-Trim, PHYSICIAN ASSISTANTPotsdam, NY 136761114172806
- Jessica Martin, PA-CPotsdam, NY 136761477906667
Common questions
What is Madeline Twiss, PA-C's NPI number?
Madeline Twiss, PA-C's National Provider Identifier (NPI) is 1912428996, issued on Jun 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Madeline Twiss, PA-C located?
The NPPES record lists a practice address at 50 Leroy St, Potsdam, NY, 13676. Phone: (315) 265-3300. Providers update this record themselves, so call before visiting.
How can I verify Madeline Twiss, PA-C's license?
NPPES lists New York license number 020997, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Madeline Twiss, PA-C prescribe under Medicare Part D?
In 2024, Madeline Twiss, PA-C had 1,253 Medicare Part D claims for 83 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Madeline Twiss, PA-C's MIPS final score?
The 2023 MIPS final score is 95.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.