Doctor profile · Federal record

Dr. Evadne Ong, MD

Internal Medicine Physician (CMS: Internal Medicine) · Jamestown, NY

  • NPI 1336391721
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15 S Main St Ste 150
Jamestown, NY 147016627
(716) 484-8610
fax (716) 484-3777

Credentials & registration

NPPES · NUCC
NPI registered
October 2008 — 18 yrs on file
Profile last updated
January 25, 2024
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #267555-01

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336391721. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,209
Distinct HCPCS
10
Medicare allowed
$125,094
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 294 208 $122
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 263 263 $127
99213 Established patient office or other outpatient visit, 20-29 minutes 140 119 $87
90682 Influenza vaccine, quadrivalent derived from recombinant dna 68 67 $59
G0008 Administration of influenza virus vaccine 68 67 $25
99215 Established patient office or other outpatient visit, 40-54 minutes 61 44 $172
96372 Injection of drug or substance under skin or into muscle 43 13 $14
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 41 32 $51
G0009 Administration of pneumococcal vaccine 34 34 $29
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 32 32 $279

In context: peer comparison

Among 7 peers in Jamestown Internal Medicine Physician, average services per provider: 93. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,616
Patients
1,119
Total drug cost
$68,339
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 498 146 $6,428
Levothyroxine Sodium Generic 491 141 $9,260
Omeprazole Generic 335 104 $5,750
Amlodipine Besylate Generic 310 100 $3,521
Rosuvastatin Calcium Generic 276 88 $7,811
Lisinopril Generic 209 66 $2,482
Metoprolol Succinate Generic 187 62 $5,325
Gabapentin Generic 185 63 $4,773
Famotidine Generic 183 56 $3,917
Losartan Potassium Generic 181 52 $3,266

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Evadne Ong's medical specialty?
Dr. Evadne Ong practices Internal Medicine Physician in Jamestown, NY.
Where does Dr. Evadne Ong practice?
Dr. Evadne Ong practices at 15 S Main St Ste 150, Jamestown, NY 147016627. Office phone: 7164848610.
What is Dr. Evadne Ong's NPI?
Dr. Evadne Ong's National Provider Identifier (NPI) is 1336391721, issued by NPPES.
Does Dr. Evadne Ong accept Medicare assignment?
Yes. Dr. Evadne Ong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Evadne Ong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.