Doctor profile · Federal record

Dr. Edward Groenhout, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Grants Pass, OR

  • NPI 1760487557
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
495 Sw Ramsey Ave
Grants Pass, OR 97527
(541) 476-6644
fax (541) 472-5673

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Oregon #MD24207
Medicaid
OR #226862

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1760487557. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
790
Distinct HCPCS
10
Medicare allowed
$33,467
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 125 67 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 115 62 $123
80048 Blood test, basic group of blood chemicals (calcium, total) 107 51 $8
83036 Hemoglobin a1c level 101 44 $10
80053 Blood test, comprehensive group of blood chemicals 62 51 $10
80061 Blood test, lipids (cholesterol and triglycerides) 50 45 $13
G0008 Administration of influenza virus vaccine 38 35 $30
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 32 27 $8
90662 Influenza vaccine split virus, preservative free 28 28 $69
82043 Urine microalbumin (protein) level 27 26 $6

In context: peer comparison

Among 8 peers in Grants Pass Internal Medicine Physician, average services per provider: 94. This provider delivers 8.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,081
Patients
516
Total drug cost
$341,131
Drug Type Claims Patients Total cost
Lisinopril Generic 416 63 $1,038
Losartan Potassium Generic 355 48 $2,351
Atorvastatin Calcium Generic 291 54 $2,461
Amlodipine Besylate Generic 257 42 $891
Ozempic (Semaglutide) Brand 256 34 $238,045
Levothyroxine Sodium Generic 245 38 $1,656
Metformin Hcl ER (Metformin Hcl) Brand 186 26 $1,110
Gabapentin Generic 153 32 $1,472
Jardiance (Empagliflozin) Brand 150 22 $87,091
Famotidine Generic 139 29 $1,059

Frequently asked questions

Auto-generated from federal data
What is Dr. Edward Groenhout's medical specialty?
Dr. Edward Groenhout practices Internal Medicine Physician in Grants Pass, OR.
Where does Dr. Edward Groenhout practice?
Dr. Edward Groenhout practices at 495 Sw Ramsey Ave, Grants Pass, OR 97527. Office phone: 5414766644.
What is Dr. Edward Groenhout's NPI?
Dr. Edward Groenhout's National Provider Identifier (NPI) is 1760487557, issued by NPPES.
Does Dr. Edward Groenhout accept Medicare assignment?
Yes. Dr. Edward Groenhout accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Edward Groenhout commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Blood test, basic group of blood chemicals (calcium, total) (HCPCS 80048). Source: CMS Medicare Physician & Other Practitioners file.