Doctor profile · Federal record

Dr. Ellen Sierra, P.A.

Physician Assistant · Oceanside, NY

  • NPI 1790761732
  • Accepts Medicare
  • MIPS 76.5 / 100 · 2023
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Healthy Way
Oceanside, NY 115721551
(516) 632-3900
Mailing address
Po Box 826223
Philadelphia, PA 191826223

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
June 5, 2008
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
New York #009114-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790761732. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
661
Distinct HCPCS
10
Medicare allowed
$41,577
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 232 228 $90
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 117 115 $34
87804 Detection test by immunoassay with direct visual observation for influenza virus 72 36 $16
99214 Established patient office or other outpatient visit, 30-39 minutes 53 52 $125
99203 New patient office or other outpatient visit, 30-44 minutes 45 45 $115
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 33 33 $16
99212 Established patient office or other outpatient visit, 10-19 minutes 31 30 $58
81002 Urinalysis, manual test 25 25 $3
71046 X-ray of chest, 2 views 21 21 $33
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 19 19 $30

In context: peer comparison

Among 14 peers in Oceanside Physician Assistant, average services per provider: 61. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
304
Patients
300
Total drug cost
$3,049
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 61 61 $732
Ciprofloxacin Hcl Generic 33 33 $207
Amoxicillin Generic 27 27 $135
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 25 25 $320
Prednisone Generic 25 25 $49
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 24 24 $244
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 22 21 $603
Cephalexin Generic 22 21 $242
Fluticasone Propionate Generic 16 15 $256
Doxycycline Monohydrate Generic 14 14 $107

Frequently asked questions

Auto-generated from federal data
What is Dr. Ellen Sierra's medical specialty?
Dr. Ellen Sierra practices Physician Assistant in Oceanside, NY.
Where does Dr. Ellen Sierra practice?
Dr. Ellen Sierra practices at 1 Healthy Way, Oceanside, NY 115721551. Office phone: 5166323900.
What is Dr. Ellen Sierra's NPI?
Dr. Ellen Sierra's National Provider Identifier (NPI) is 1790761732, issued by NPPES.
Does Dr. Ellen Sierra accept Medicare assignment?
Yes. Dr. Ellen Sierra accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ellen Sierra commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (HCPCS 87426); Detection test by immunoassay with direct visual observation for influenza virus (HCPCS 87804). Source: CMS Medicare Physician & Other Practitioners file.