DR. EDWARD GUY GROENHOUT (M.D.) – Internal Medicine Physician, NPI 1760487557
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,474 INTERNAL MEDICINE in OR
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Provider Addresses for DR. EDWARD GUY GROENHOUT (M.D.)
495, Ramsey Avenue, Grants Pass, Josephine County, Oregon, 97527, United States
GRANTS PASS, OR 97527
Phone: (541) 476-6644
Fax: (541) 472-5673
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2020-11-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040414000523 | I | Internal Medicine | OR | TBD |
| I20201119000269 | I | Internal Medicine | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 125 | 67 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 115 | 62 | $0 |
| 80048 | Blood test, basic group of blood chemicals (calcium, total) | 107 | 51 | $0 |
| 83036 | Hemoglobin a1c level | 101 | 44 | $0 |
| 80053 | Blood test, comprehensive group of blood chemicals | 62 | 51 | $0 |
Insurance plans in this area (ZIP 97527)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Physician Assistant | OR | |
| Family Practice | OR | |
| Clinical Psychologist | OR | |
| O P T O M E T R Y | OR | |
| Nurse Practitioner | MA | |
| O P T O M E T R Y | OR | |
| - | OR | |
| Nurse Practitioner | OR | |
| Family Practice | AZ |
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