Doctor profile · Federal record

Dr. Geneva Sagun, MD

Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Student in an Organized Health Care Education/Training Program · Kalamazoo, MI

  • NPI 1588928642
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4613 W Main St, Suite A
Kalamazoo, MI 490062645
(269) 488-8672
fax (269) 488-8673
Mailing address
Po Box 14
Portage, MI 490810014

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
December 20, 2021
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4301101658

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588928642. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 1 $14.33

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,143
Patients
446
Total drug cost
$18,534
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 170 71 $2,871
Losartan Potassium Generic 128 46 $1,533
Amlodipine Besylate Generic 123 45 $1,485
Levothyroxine Sodium Generic 113 37 $2,417
Gabapentin Generic 74 29 $1,472
Lisinopril Generic 73 32 $899
Trazodone Hcl Generic 59 19 $943
Famotidine Generic 57 24 $784
Diclofenac Sodium Generic 55 36 $1,687
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 55 13 $606

Frequently asked questions

Auto-generated from federal data
What is Dr. Geneva Sagun's medical specialty?
Dr. Geneva Sagun practices Internal Medicine Physician in Kalamazoo, MI.
Where does Dr. Geneva Sagun practice?
Dr. Geneva Sagun practices at 4613 W Main St, Kalamazoo, MI 490062645. Office phone: 2694888672.
What is Dr. Geneva Sagun's NPI?
Dr. Geneva Sagun's National Provider Identifier (NPI) is 1588928642, issued by NPPES.
Does Dr. Geneva Sagun accept Medicare assignment?
Yes. Dr. Geneva Sagun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.