Tessa Marie Bigelow, PA-C
Physician Assistant · Williamsville, NY
Tessa Marie Bigelow, PA-C is a physician assistant with a practice address in Williamsville, New York, and NPI 1710334388, issued on May 24, 2016. Check the license (New York 019739, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tessa Marie Bigelow
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 019739 NY
Self-reported in NPPES; status is on the state search - Practice location
- 111 N Maplemere RD Ste 100, Williamsville, NY 14221
- Phone
- (716) 204-3200
- Enumerated
- May 24, 2016
- Record last updated
- Feb 6, 2026
- Fax
- (716) 204-4337
- Medicare enrollment
- Enrolled (PECOS I20160829000367); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 111 N Maplemere RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tessa Marie Bigelow 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 019739Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average physician assistant in 2024
87 Medicare Part D claims for 41 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Clopidogrel33 claims
- Brilinta12 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 practice group's MIPS final score for 2023 (Medicare payment program): 91.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- University AT Buffalo Neurosurgery IncBuffalo, NY
- University Orthopaedic Services Inc.Buffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tessa Marie Bigelow among 15,555 physician assistant records in New York
Tessa Marie Bigelow, 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 2016, is newer than 43% of them.
- NPI issued2016 · 43% of these records are older, 53% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2016 · median 2018 among the 8,158 with a school on file
- Record last updated2026 · 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).
178 physician assistant records list a practice address in Williamsville
They are 178 of the 3,530 NPPES records with a practice address in Williamsville, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Williamsville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Gregory Czajka, RPA CWilliamsville, NY 142211740265537
- Tammy Ervolina-Kroll, RPA-CWilliamsville, NY 142211801852777
- Allison Fout, PAWilliamsville, NY 142211275501348
- Jill Hess, PAWilliamsville, NY 142211063471407
- Cara Innus, RPA-CWilliamsville, NY 142211538126388
- Jennifer Kielbasa, RPA CWilliamsville, NY 142211942283031
- Sherry Lyons, RPA-CWilliamsville, NY 142211134109903
- Robin Massing, RPA-CWilliamsville, NY 142211801869284
Common questions
What is Tessa Marie Bigelow, PA-C's NPI number?
Tessa Marie Bigelow, PA-C's National Provider Identifier (NPI) is 1710334388, issued on May 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Tessa Marie Bigelow, PA-C located?
The NPPES record lists a practice address at 111 N Maplemere RD Ste 100, Williamsville, NY, 14221. Phone: (716) 204-3200. Providers update this record themselves, so call before visiting.
How can I verify Tessa Marie Bigelow, PA-C's license?
NPPES lists New York license number 019739, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Tessa Marie Bigelow, PA-C prescribe under Medicare Part D?
In 2024, Tessa Marie Bigelow, PA-C had 87 Medicare Part D claims for 41 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Tessa Marie Bigelow, PA-C's MIPS final score?
The 2023 MIPS final score is 91.1 of 100, reported for the practice group. 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.