Doctor profile · Federal record

Dr. Natalia Fretes Oviedo, MD

Internal Medicine Physician · Saginaw, MI

  • NPI 1275104093
  • 5 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Houghton Ave
Saginaw, MI 486025303
(989) 746-7681

Credentials & registration

NPPES · NUCC
NPI registered
July 2021 — 5 yrs on file
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4351048303

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275104093. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$112
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 1 $62.48
Radius Health, Inc. 1 $49.54

By nature of payment

Food and Beverage
$112

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
161
Patients
32
Total drug cost
$2,736
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 40 21 $754
Lisinopril Generic 28 11 $375
Hydrochlorothiazide Generic 19 0 $94
Amlodipine Besylate Generic 18 0 $269
Levothyroxine Sodium Generic 17 0 $341
Omeprazole Generic 15 0 $126
Metoprolol Succinate Generic 13 0 $575
Carvedilol Generic 11 0 $203

Frequently asked questions

Auto-generated from federal data
What is Dr. Natalia Fretes Oviedo's medical specialty?
Dr. Natalia Fretes Oviedo practices Internal Medicine Physician in Saginaw, MI.
Where does Dr. Natalia Fretes Oviedo practice?
Dr. Natalia Fretes Oviedo practices at 1000 Houghton Ave, Saginaw, MI 486025303. Office phone: 9897467681.
What is Dr. Natalia Fretes Oviedo's NPI?
Dr. Natalia Fretes Oviedo's National Provider Identifier (NPI) is 1275104093, issued by NPPES.