DR. AHREN OTTO GEILENFELDT (D.O.) – Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician, NPI 1316384068
Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
64 PHYSICAL MEDICINE AND REHABILITATION in ID
Provider Addresses for DR. AHREN OTTO GEILENFELDT (D.O.)
1840 CANYON CREST DR
TWIN FALLS, ID 833013007
Phone: (208) 814-7100
Type: Mailing
PO BOX 3158
PORTLAND, OR 972083158
Phone: (541) 732-8360
Type: Mailing
4301 W Markham St # 602
Little Rock, AR 722057101
Phone: (509) 452-5100
Type: Location
70 BOWER DR
MEDFORD, OR 975013689
Phone: (541) 732-8360
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $15.
Total Amount is formed as General ($15) + Research ($0) + Ownership ($0) = $15.
Last reported payment date: 2023-03-02 • Largest payer in this snapshot: Merz Pharmaceuticals, LLC ($15).
Total Amount
$15
General + Research + Ownership
Payments
1
Total payment records
General Amount
$15
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-03-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merz Pharmaceuticals, LLC | $15 |
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: 2022-04-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20220429001572 | I | Physical Medicine And Rehabilitation | 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 |
|---|---|---|---|---|
| 95886 | Needle measurement of electrical activity in arm or leg muscles, complete study | 166 | 98 | $0 |
| 95910 | Nerve conduction, 7-8 studies | 42 | 42 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 36 | 36 | $0 |
| 95885 | Needle measurement of electrical activity in arm or leg muscles, limited study | 34 | 21 | $0 |
| 95909 | Nerve conduction, 5-6 studies | 25 | 25 | $0 |
Insurance plans in this area (ZIP 83301)
Loading plans...
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.