Doctor profile · Federal record

Dr. Nancy Tengelsen, PA-C

Physician Assistant · East Patchogue, NY

  • NPI 1558607531
  • Accepts Medicare
  • MIPS 84.5 / 100 · 2023
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
285 Sills RD Bldg 18
East Patchogue, NY 117724808
(631) 475-1224
fax (631) 475-1588

Credentials & registration

NPPES · NUCC
NPI registered
December 2012 — 14 yrs on file
Profile last updated
August 16, 2019
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
New York #016225

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558607531. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
943
Distinct HCPCS
4
Medicare allowed
$13,157
HCPCS Description Services Patients Avg allowed
J7320 Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg 751 13 $6
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 112 12 $1
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 45 35 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 35 35 $87

In context: peer comparison

Among 5 peers in East Patchogue Physician Assistant, average services per provider: 70. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
417
Patients
240
Total drug cost
$5,155
Drug Type Claims Patients Total cost
Meloxicam Generic 225 118 $1,273
Diclofenac Sodium Generic 35 17 $1,735
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 30 25 $96
Tramadol Hcl Generic 30 22 $124
Amoxicillin Generic 29 14 $31
Celecoxib Generic 29 11 $1,711
Oxycodone Hcl Generic 21 16 $99
Ibuprofen Generic 18 17 $87

Frequently asked questions

Auto-generated from federal data
What is Dr. Nancy Tengelsen's medical specialty?
Dr. Nancy Tengelsen practices Physician Assistant in East Patchogue, NY.
Where does Dr. Nancy Tengelsen practice?
Dr. Nancy Tengelsen practices at 285 Sills RD Bldg 18, East Patchogue, NY 117724808. Office phone: 6314751224.
What is Dr. Nancy Tengelsen's NPI?
Dr. Nancy Tengelsen's National Provider Identifier (NPI) is 1558607531, issued by NPPES.
Does Dr. Nancy Tengelsen accept Medicare assignment?
Yes. Dr. Nancy Tengelsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nancy Tengelsen commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg (HCPCS J7320); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Aspiration and/or injection of fluid large joint using ultrasound guidance (HCPCS 20611). Source: CMS Medicare Physician & Other Practitioners file.