Nancy Tengelsen, PA-C
Physician Assistant · East Patchogue, NY
Nancy Tengelsen, PA-C is a physician assistant with a practice address in East Patchogue, New York, and NPI 1558607531, issued on Dec 20, 2012. Check the license (New York 016225, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nancy Tengelsen
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 016225 NY
Self-reported in NPPES; status is on the state search - Practice location
- 285 Sills RD Bldg 18, East Patchogue, NY 11772
- Phone
- (631) 475-1224
- Enumerated
- Dec 20, 2012
- Record last updated
- Aug 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (631) 475-1588
- Medicare enrollment
- Enrolled (PECOS I20130318000059); 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 285 Sills RD Bldg 18
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nancy Tengelsen 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 016225Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average physician assistant in 2024
823 Medicare Part D claims for 363 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 74 claims were for opioids.
Most prescribed
- Meloxicam480 claims
- Diclofenac Sodium49 claims
- Ibuprofen47 claims
- Celecoxib37 claims
- Tramadol Hcl31 claims
- Methylprednisolone26 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): 84.5 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
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Tengelsen among 15,555 physician assistant records in New York
Nancy Tengelsen, 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 2012, is newer than 31% of them.
- NPI issued2012 · 31% of these records are older, 66% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2012 · median 2018 among the 8,158 with a school on file
- Record last updated2019 · 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).
19 physician assistant records list a practice address in East Patchogue
They are 19 of the 451 NPPES records with a practice address in East Patchogue, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in East Patchogue → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Richard Diana, PAPatchogue, NY 117721750326674
- Stacey Dimitriou-Ciaccio, RPA CPatchogue, NY 117721396788766
- Jennifer Fincke, PAPatchogue, NY 117721588607956
- David Jackson, PAPatchogue, NY 117721013950302
- Ronie Jean-Philippe, RPA-CPatchogue, NY 117721699846188
- Lynn Kramer, PAPatchogue, NY 117721205879673
- Ann Landsman, PAPatchogue, NY 117721659324747
- Susan Mackey, D.C., P.A.-CPatchogue, NY 117721427080563
Common questions
What is Nancy Tengelsen, PA-C's NPI number?
Nancy Tengelsen, PA-C's National Provider Identifier (NPI) is 1558607531, issued on Dec 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Tengelsen, PA-C located?
The NPPES record lists a practice address at 285 Sills RD Bldg 18, East Patchogue, NY, 11772. Phone: (631) 475-1224. Providers update this record themselves, so call before visiting.
How can I verify Nancy Tengelsen, PA-C's license?
NPPES lists New York license number 016225, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Nancy Tengelsen, PA-C prescribe under Medicare Part D?
In 2024, Nancy Tengelsen, PA-C had 823 Medicare Part D claims for 363 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Nancy Tengelsen, PA-C's MIPS final score?
The 2023 MIPS final score is 84.5 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.