Doctor profile · Federal record

Dr. Gregory Ferenz, D.O.

Neurology Physician (CMS: Neurology) · Neurology Physician · Clinical Neurophysiology Physician · Bend, OR

  • NPI 1568696243
  • MIPS 75.0 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
568 Ne Savannah Dr Ste 2
Bend, OR 977014866
(541) 508-0393
fax (800) 853-1280
Additional location
1511 Onyx Cir
Longmont, CO 805047805
(440) 934-6135
fax (440) 937-6147

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
May 19, 2025
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State licenses (3)
Oregon #DO162367 · Pennsylvania #OT012388 · Colorado #DR.0056957
Medicaid
OR #500659636

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568696243. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,181
Distinct HCPCS
10
Medicare allowed
$187,156
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 334 191 $171
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 $31
99214 Established patient office or other outpatient visit, 30-39 minutes 154 115 $122
99205 New patient office or other outpatient visit, 60-74 minutes 140 140 $209
99483 Assessment of and care planning for patient with impaired thought processing, typically 60 minutes 122 112 $261
99213 Established patient office or other outpatient visit, 20-29 minutes 73 68 $85
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 55 37 $94
95819 Measurement of brain wave activity (eeg), awake and asleep 54 54 $415
99426 Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month 31 14 $58
95816 Measurement of brain wave activity (eeg), awake and drowsy 17 17 $369

In context: peer comparison

Among 7 peers in Bend Neurology Physician, average services per provider: 674. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$214
Transactions
15
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 12 $136.48
Eisai INC. 2 $49.47
Mitsubishi Tanabe Pharma America, INC. 1 $28.47

By nature of payment

Food and Beverage
$186
Education
$28

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,744
Patients
353
Total drug cost
$46,912
Drug Type Claims Patients Total cost
Donepezil Hcl Generic 501 122 $5,046
Memantine Hcl Generic 372 74 $10,299
Citalopram Hbr (Citalopram Hydrobromide) Brand 236 43 $1,317
Galantamine Hbr Generic 177 51 $13,048
Rivastigmine (Rivastigmine Tartrate) Brand 84 14 $4,340
Memantine Hcl ER (Memantine Hcl) Brand 69 14 $6,728
Quetiapine Fumarate Generic 62 16 $754
Trazodone Hcl Generic 46 19 $306
Levetiracetam Generic 43 0 $786
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 40 0 $598

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Ferenz's medical specialty?
Dr. Gregory Ferenz practices Neurology Physician in Bend, OR.
Where does Dr. Gregory Ferenz practice?
Dr. Gregory Ferenz practices at 568 Ne Savannah Dr Ste 2, Bend, OR 977014866. Office phone: 5415080393.
What is Dr. Gregory Ferenz's NPI?
Dr. Gregory Ferenz's National Provider Identifier (NPI) is 1568696243, issued by NPPES.
Does Dr. Gregory Ferenz accept Medicare assignment?
Dr. Gregory Ferenz does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Gregory Ferenz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); 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 (HCPCS G2212); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.