NPPES file of Aug 9, 2026

Gregory J. Ferenz, D.O.

Neurology Physician · Bend, OR

Gregory J. Ferenz, D.O. is a neurology physician with a practice address in Bend, Oregon, and NPI 1568696243, issued on May 8, 2009. Check the license (Oregon DO162367, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568696243
Name
Gregory J. Ferenz
Credential
D.O.
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
DO162367 OR
DR.0056957 CO
OT012388 PA
Self-reported in NPPES; status is on the state search
Practice location
568 NE Savannah Dr Ste 2, Bend, OR 97701
Phone
(541) 508-0393
Enumerated
May 8, 2009
Record last updated
May 19, 2025
Fax
(800) 853-1280
Medicaid ID
500659636 OR
Medicare enrollment
Enrolled (PECOS I20240627002854); may accept Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 2008
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Gregory J. Ferenz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license DO162367
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

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78% more Medicare Part D claims than the average neurology physician in 2024

2,434 Medicare Part D claims for 296 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Gregory Ferenz2,434
  2. Specialty average1,370

Most prescribed

  1. Donepezil Hcl482 claims
  2. Memantine Hcl411 claims
  3. Galantamine Hbr329 claims
  4. Citalopram Hbr185 claims
  5. Quetiapine Fumarate126 claims
  6. Escitalopram Oxalate79 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $214.42

15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Ferenz$214.42
  2. Specialty average$8,318.07

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Gregory J. Ferenz among 287 neurology physician records in Oregon

Gregory J. Ferenz, D.O. is one of 287 neurology physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 61% of them.

  • NPI issued2009 · 61% of these records are older, 36% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2008 · median 2007 among the 176 with a school on file
  • Record last updated2025 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Oregon

There are 287 neurology physician records in Oregon.

The 8 neurology physician records with the nearest ZIP codes

  1. Francena Abendroth, MDBend, OR 977011497760995
  2. Michael Bell, M.D.Bend, OR 977011144292590
  3. Rachel BrownBend, OR 977011154775435
  4. Gary Buchholz, M.D.Bend, OR 977011942261201
  5. Tyler Clark, M.D.Bend, OR 977011447549183
  6. Michelle Cohen, M.D.Bend, OR 977011063946408
  7. Cole CrowsonBend, OR 977011942799531
  8. Craigan Griffin, M.D.Bend, OR 977011407839798

Common questions

What is Gregory J. Ferenz, D.O.'s NPI number?

Gregory J. Ferenz, D.O.'s National Provider Identifier (NPI) is 1568696243, issued on May 8, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Gregory J. Ferenz, D.O. located?

The NPPES record lists a practice address at 568 NE Savannah Dr Ste 2, Bend, OR, 97701. Phone: (541) 508-0393. Providers update this record themselves, so call before visiting.

How can I verify Gregory J. Ferenz, D.O.'s license?

NPPES lists Oregon license number DO162367, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory J. Ferenz, D.O. prescribe under Medicare Part D?

In 2024, Gregory J. Ferenz, D.O. had 2,434 Medicare Part D claims for 296 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Gregory J. Ferenz, D.O.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.