Doctor profile · Federal record

Dr. Winifred Oniah, M.D.

Family Medicine Physician (CMS: Family Practice) · Specialist · Gary, IN

  • NPI 1831183185
  • Accepts Medicare
  • MIPS 68.4 / 100 · 2023
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2269 W 25Th Ave
Gary, IN 464043367
(219) 944-4187
fax (219) 944-4196

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
January 26, 2012
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Indiana #01057396 · Indiana #01057396A
Medicaid
IN #200443050

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831183185. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
704
Distinct HCPCS
10
Medicare allowed
$54,162
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 188 98 $85
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 103 32 $75
99214 Established patient office or other outpatient visit, 30-39 minutes 97 67 $119
G0444 Annual depression screening, 5 to 15 minutes 68 68 $17
83036 Hemoglobin a1c level 65 36 $10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 63 63 $121
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 32 15 $110
99238 Hospital discharge day management, 30 minutes or less 28 16 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 18 $123
G0008 Administration of influenza virus vaccine 19 19 $29

In context: peer comparison

Among 5 peers in Gary Family Medicine Physician, average services per provider: 86. This provider delivers 8.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$657
Transactions
23
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 9 $327.41
Neurelis, INC. 2 $82.93
Lilly USA, LLC 2 $42.90
Novo Nordisk INC 2 $41.80
Lundbeck LLC 2 $38.30
Dexcom, INC. 2 $29.42
Astellas Pharma US INC 1 $26.60
Hologic Sales and Service, LLC 1 $24.15
Xeris Pharmaceuticals, INC. 1 $23.37
Abbott Laboratories 1 $20.09

By nature of payment

Food and Beverage
$657

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,810
Patients
960
Total drug cost
$40,692
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 510 175 $3,463
Atorvastatin Calcium Generic 328 104 $3,055
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 196 67 $7,124
Hydrochlorothiazide Generic 184 65 $997
Gabapentin Generic 169 68 $2,622
Furosemide Generic 168 57 $963
Metoprolol Succinate Generic 166 59 $3,073
Levothyroxine Sodium Generic 164 46 $2,807
Losartan Potassium Generic 147 51 $1,659
Rosuvastatin Calcium Generic 145 42 $3,144

Frequently asked questions

Auto-generated from federal data
What is Dr. Winifred Oniah's medical specialty?
Dr. Winifred Oniah practices Family Medicine Physician in Gary, IN.
Where does Dr. Winifred Oniah practice?
Dr. Winifred Oniah practices at 2269 W 25Th Ave, Gary, IN 464043367. Office phone: 2199444187.
What is Dr. Winifred Oniah's NPI?
Dr. Winifred Oniah's National Provider Identifier (NPI) is 1831183185, issued by NPPES.
Does Dr. Winifred Oniah accept Medicare assignment?
Yes. Dr. Winifred Oniah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Winifred Oniah commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.