Mark Gregory Belza, M.D.
Neurological Surgery Physician · Bend, OR
Mark Gregory Belza, M.D. is a neurological surgery physician with a practice address in Bend, Oregon, and NPI 1740284777, issued on Jun 8, 2005. Check the license (Oregon MD16986, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Gregory Belza
- Credential
- M.D.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- MD16986 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1501 NE Medical Center Dr, Bend, OR 97701
- Phone
- (541) 389-4200
- Enumerated
- Jun 8, 2005
- Record last updated
- Jan 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 024971 OR
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 134 in Oregon → Look up another NPI →
Also registered at 1501 NE Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Francena Abendroth, MDNeurology Physician1497760995
- John Allen, M.D.Internal Medicine Physician1043304462
- Kurt Andreason, M.D.Ophthalmology Physician1013990027
- Robert Andrews, M.D.Gastroenterology Physician1568805836
- Kathleen Antolak, M.D.Family Medicine Physician1316975741
- Stephen Archer, M.D.Surgery Physician1699750307
Verify Mark Gregory Belza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD16986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average neurological surgery physician in 2024
200 Medicare Part D claims for 110 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 21 claims were for opioids.
Most prescribed
- Gabapentin67 claims
- Flurbiprofen43 claims
- Meloxicam17 claims
- Methylprednisolone17 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.
The MIPS final score for 2023 (Medicare payment program): 90.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $457.22
12 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Gregory Belza among 134 neurological surgery physician records in Oregon
Mark Gregory Belza, M.D. is one of 134 neurological surgery physician records with a practice address in Oregon. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Oregon
There are 134 neurological surgery physician records in Oregon.
All 134 in Oregon → Every provider in Bend → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Priscilla Pang, MDBend, OR 977011346565710
- Neil Roundy, MDBend, OR 977011174723720
- Raymond Tien, M.D.Bend, OR 977011073518551
- Nicholas Wetjen, MDBend, OR 977021275502726
- Norwyn NewbyBend, OR 977031063909737
- Jacqueline Maraire, MDKlamath Falls, OR 976011255352522
- Miroslav Bobek, M.D.Medford, OR 975041881693133
- Jared Brougham, MDMedford, OR 975041124482815
Common questions
What is Mark Gregory Belza, M.D.'s NPI number?
Mark Gregory Belza, M.D.'s National Provider Identifier (NPI) is 1740284777, issued on Jun 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Gregory Belza, M.D. located?
The NPPES record lists a practice address at 1501 NE Medical Center Dr, Bend, OR, 97701. Phone: (541) 389-4200. Providers update this record themselves, so call before visiting.
How can I verify Mark Gregory Belza, M.D.'s license?
NPPES lists Oregon license number MD16986, 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 Mark Gregory Belza, M.D. prescribe under Medicare Part D?
In 2024, Mark Gregory Belza, M.D. had 200 Medicare Part D claims for 110 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
What is Mark Gregory Belza, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.