Jason Mahler
Family Nurse Practitioner · Oneonta, NY
Jason Mahler is a family nurse practitioner with a practice address in Oneonta, New York, and NPI 1255731188, issued on Aug 28, 2014. Check the license (New York F338989-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jason Mahler
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- F338989-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 438 Main St, Oneonta, NY 13820
- Phone
- (607) 431-5161
- Enumerated
- Aug 28, 2014
- Record last updated
- Mar 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141217001495); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 14,805 in New York → Look up another NPI →
Also registered at 438 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jason Mahler 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 F338989-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family nurse practitioner in 2024
69 Medicare Part D claims for 45 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Tamsulosin Hcl22 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): 81.3 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
- Our Lady OF Lourdes Memorial Hospital IncBinghamton, NY
- United Medical Associates PCJohnson City, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Mahler among 14,805 family nurse practitioner records in New York
Jason Mahler is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 30% of them.
- NPI issued2014 · 30% of these records are older, 67% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated2014 · median 2019 among the 7,239 with a school on file
- Record last updated2021 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 family nurse practitioner records list a practice address in Oneonta
They are 41 of the 508 NPPES records with a practice address in Oneonta, and 14,805 family nurse practitioner records in New York.
All 14,805 in New York → Every provider in Oneonta → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lori Baldanza, FNPOneonta, NY 138201144509845
- Beth Beaudet, F.N.P.Oneonta, NY 138201730131400
- Nancy Codd-Cook, F.N.P., P.H.D.Oneonta, NY 138201548212210
- Amy Gardner, FNP-COneonta, NY 138201063791499
- Maryanne Kehoe, FNPOneonta, NY 138201841330818
- Linda Lofrumento, NPOneonta, NY 138201730338633
- Mary Mancuso, FNPOneonta, NY 138201295887628
- Margret Mukai, FNPOneonta, NY 138201871800680
Common questions
What is Jason Mahler's NPI number?
Jason Mahler's National Provider Identifier (NPI) is 1255731188, issued on Aug 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jason Mahler located?
The NPPES record lists a practice address at 438 Main St, Oneonta, NY, 13820. Phone: (607) 431-5161. Providers update this record themselves, so call before visiting.
How can I verify Jason Mahler's license?
NPPES lists New York license number F338989-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Jason Mahler prescribe under Medicare Part D?
In 2024, Jason Mahler had 69 Medicare Part D claims for 45 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Jason Mahler's MIPS final score?
The 2023 MIPS final score is 81.3 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.