Doctor profile · Federal record

Dr. Daniel Ratnarajah, MD

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

  • NPI 1023043858
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Oneida Medical Associates PLLC, 600 Seneca Street
Oneida, NY 13421
(315) 363-1345
fax (315) 363-9243
Mailing address
600 Seneca Street
Oneida, NY 134211548

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 25, 2019
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #197066
Medicaid
NY #01689289

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023043858. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
817
Distinct HCPCS
10
Medicare allowed
$57,610
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 216 95 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 129 66 $85
96372 Injection of drug or substance under skin or into muscle 114 18 $14
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 112 16 $1
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 79 79 $124
82274 Stool analysis for blood, by fecal hemoglobin determination by immunoassay 60 60 $16
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 40 18 $87
G0008 Administration of influenza virus vaccine 29 29 $30
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 25 25 $66
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 13 13 $160

In context: peer comparison

Among 5 peers in Oneida Internal Medicine Physician, average services per provider: 113. This provider delivers 7.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,531
Transactions
75
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen INC. 12 $293.49
Pfizer INC. 15 $214.78
GlaxoSmithKline, LLC. 8 $159.74
Abbvie INC. 8 $152.38
Paratek Pharmaceuticals, INC. 7 $135.49
Janssen Biotech, INC. 5 $118.39
Abbott Laboratories 4 $72.43
AstraZeneca Pharmaceuticals Lp 4 $63.49
Astellas Pharma US INC 2 $63.19
Lilly USA, LLC 3 $45.90
Novartis Pharmaceuticals Corporation 2 $34.98
Ucb, INC. 1 $34.53
Ibsa Pharma INC. 2 $32.66
Alk-Abello, INC 1 $31.22
Phathom Pharmaceuticals, INC. 1 $22.60

By nature of payment

Food and Beverage
$1,531

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,839
Patients
527
Total drug cost
$28,465
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 211 54 $3,807
Pantoprazole Sodium Generic 194 44 $4,280
Rosuvastatin Calcium Generic 181 54 $4,191
Atorvastatin Calcium Generic 179 52 $2,380
Omeprazole Generic 168 40 $2,525
Amlodipine Besylate Generic 121 35 $1,409
Lisinopril Generic 103 36 $1,080
Alprazolam Generic 100 30 $619
Prednisone Generic 95 39 $421
Potassium Chloride Generic 91 27 $2,552

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Ratnarajah's medical specialty?
Dr. Daniel Ratnarajah practices Internal Medicine Physician in Oneida, NY.
Where does Dr. Daniel Ratnarajah practice?
Dr. Daniel Ratnarajah practices at Oneida Medical Associates PLLC, Oneida, NY 13421. Office phone: 3153631345.
What is Dr. Daniel Ratnarajah's NPI?
Dr. Daniel Ratnarajah's National Provider Identifier (NPI) is 1023043858, issued by NPPES.
Does Dr. Daniel Ratnarajah accept Medicare assignment?
Yes. Dr. Daniel Ratnarajah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Ratnarajah commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.