Christopher James Winterstein, PHYSICIAN ASSISTANT
Medical Physician Assistant · Vestal, NY
Christopher James Winterstein, PHYSICIAN ASSISTANT is a medical physician assistant with a practice address in Vestal, New York, and NPI 1447533815, issued on Sep 22, 2011. Check the license (New York 015146, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christopher James Winterstein
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 015146 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4417 Vestal Pkwy E, Vestal, NY 13850
- Phone
- (607) 729-2144
- Enumerated
- Sep 22, 2011
- Record last updated
- Jan 27, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (607) 729-2145
- Medicaid ID
- 03524072 NY
- Medicare enrollment
- Enrolled (PECOS I20130408000448); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,670 in New York → Look up another NPI →
Also registered at 4417 Vestal Pkwy E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joanne Loise Ambrosio, AGNP-CAdult Health Nurse Practitioner1356233662
- Gabrielle Aviles, PAPhysician Assistant1073238630
- Victoria Barton, PAPhysician Assistant1285615898
- Nicolas Benson, PHARMDPharmacist1508340118
- Arianne Borda, M.D.Pediatrics Physician1679922934
Verify Christopher James Winterstein 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 015146Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average medical physician assistant in 2024
617 Medicare Part D claims for 382 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Prednisone102 claims
- Doxycycline Hyclate96 claims
- Methylprednisolone51 claims
- Cephalexin50 claims
- Albuterol Sulfate Hfa40 claims
- Azithromycin27 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): 84.6 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 one group practice
- United Health Services Hospitals, Inc.Vestal, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher James Winterstein among 3,670 medical physician assistant records in New York
Christopher James Winterstein, PHYSICIAN ASSISTANT is one of 3,670 medical physician assistant records with a practice address in New York. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 43% of them.
- NPI issued2011 · 43% of these records are older, 52% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2011 · median 2014 among the 1,802 with a school on file
- Record last updated2014 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in New York
There are 3,670 medical physician assistant records in New York.
All 3,670 in New York → Every provider in Vestal → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Deanna Braun, PAVestal, NY 138501316678931
- Jessica Kovalchick, PA-CVestal, NY 138501184932568
- Andrew Whittock, RPA-CVestal, NY 138501538228473
- Michael Free, RPA-CWalton, NY 138561104930593
- Robert Reynolds, PAWalton, NY 138561760463483
- Junghyun Kim, PAOneonta, NY 138201548630247
- John Nolan, FPOneonta, NY 138201952351215
- Shira Small-Cangialosi, PA-COneonta, NY 138201306968243
Common questions
What is Christopher James Winterstein, PHYSICIAN ASSISTANT's NPI number?
Christopher James Winterstein, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1447533815, issued on Sep 22, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Christopher James Winterstein, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 4417 Vestal Pkwy E, Vestal, NY, 13850. Phone: (607) 729-2144. Providers update this record themselves, so call before visiting.
How can I verify Christopher James Winterstein, PHYSICIAN ASSISTANT's license?
NPPES lists New York license number 015146, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Christopher James Winterstein, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Christopher James Winterstein, PHYSICIAN ASSISTANT had 617 Medicare Part D claims for 382 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
What is Christopher James Winterstein, PHYSICIAN ASSISTANT's MIPS final score?
The 2023 MIPS final score is 84.6 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.