GREGORY J. FERENZ (D.O.) – Neurology Physician, NPI 1568696243
Neurology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
506 NEUROLOGY in CO
Loading map...
Provider Addresses for GREGORY J. FERENZ (D.O.)
1511, Onyx Circle, Longmont, Boulder County, Colorado, 80504, United States
LONGMONT, CO 805047805
Phone: (440) 934-6135
Fax: (440) 937-6147
Type: Location
1511 Onyx Cir
Longmont, CO 805047805
Phone: (440) 934-6135
Fax: (440) 937-6147
Type: Location
1600, Northwest Kingston Avenue, River West, Bend, Deschutes County, Oregon, 97702, United States
BEND, OR 977032136
Phone: (215) 850-7311
Fax: (303) 682-2785
Type: Mailing
568 NE SAVANNAH DR STE 2
BEND, OR 977014866
Phone: (541) 508-0393
Fax: (800) 853-1280
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 22 Open Payments records for all available years, with a total value of $393.
Total Amount is formed as General ($393) + Research ($0) + Ownership ($0) = $393.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($187).
Total Amount
$393
General + Research + Ownership
Payments
22
Total payment records
General Amount
$393
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $187 |
| Eisai Inc. | $73 |
| Corium, LLC | $67 |
| Amylyx Pharmaceuticals, Inc. | $37 |
| MITSUBISHI TANABE PHARMA AMERICA, INC. | $28 |
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: 2024-06-27
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 |
|---|---|---|---|---|
| I20130820001098 | I | Neurology | OR | TBD |
| I20240627002854 | I | Neurology | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 334 | 191 | $0 |
| G2212 | Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 189 | 111 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 154 | 115 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 140 | 140 | $0 |
| 99483 | Assessment of and care planning for patient with impaired thought processing, typically 60 minutes | 122 | 112 | $0 |
Insurance plans in this area (ZIP 80504)
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.