DR. DENNIS PATRICK GRUSENMEYER (MD) – Hospitalist Physician, NPI 1871568113
Hospitalist Physician
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Profile Insights
NPPES metrics only — not quality of care.
2,474 INTERNAL MEDICINE in OR
Provider Addresses for DR. DENNIS PATRICK GRUSENMEYER (MD)
2801 N Gantenbein Ave
Portland, OR 972271623
Phone: (503) 413-8407
Fax: (503) 413-6951
Type: Location
590 Court St
Keene, NH 034311719
Phone: (603) 354-5400
Type: Location
3241 Western Branch Blvd
Chesapeake, VA 233215260
Phone: (757) 686-3508
Fax: (757) 686-0541
Type: Location
3043 NE 28th St
Lincoln City, OR 973674518
Phone: (541) 994-3661
Type: Location
888 Swift Blvd
Richland, WA 993523514
Phone: (509) 942-2648
Fax: (509) 942-2812
Type: Location
509 Biltmore Ave
Asheville, NC 288014601
Phone: (828) 213-4411
Fax: (828) 213-0275
Type: Location
PO BOX 810
HANOVER, NH 037550810
Phone: (603) 650-8050
Type: Mailing
580 COURT ST
KEENE, NH 03431
Phone: (603) 354-5400
Type: Location
3777, Southeast Naef Road, Concord, Portland, Metro, Clackamas County, Oregon, 97267, United States
PORTLAND, OR 972083777
Phone: (503) 413-3900
Fax: (503) 413-3710
Type: Mailing
Legacy Emanuel Medical Center, 2801, North Gantenbein Avenue, Albina, Eliot, Portland, Metro, Multnomah County, Oregon, 97227, United States
PORTLAND, OR 972271623
Phone: (503) 413-8407
Fax: (503) 413-6951
Type: Location
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: 2019-06-21
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 |
|---|---|---|---|---|
| I20180925000387 | I | Internal Medicine | NC | TBD |
| I20190621002037 | I | Internal Medicine | OR | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 322 | 118 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 77 | 76 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 97227)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease, Internal Medicine | OR | |
| Vascular Surgery, General Surgery | OR | |
| Physician Assistant | OR | |
| Internal Medicine | OR | |
| Critical Care (Intensivists) | OR | |
| - | OR | |
| Internal Medicine | OR | |
| Internal Medicine | OR | |
| Nurse Practitioner | OR | |
| - | OR |
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