Nishant Tiwari, M.D.
Neuropathology Physician · Portland, OR
Nishant Tiwari, M.D. is a neuropathology physician with a practice address in Portland, Oregon, and NPI 1568717338, issued on Jul 18, 2012. Check the license (Oregon MD221030, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nishant Tiwari
- Credential
- M.D.
- Primary taxonomy
- Neuropathology Physician 207ZN0500X
- License numbers
- MD221030 OR
58880 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD, Portland, OR 97239
- Phone
- (503) 494-8276
- Enumerated
- Jul 18, 2012
- Record last updated
- Aug 15, 2024
- Fax
- (503) 494-2025
- Medicare enrollment
- Enrolled (PECOS I20240731000724); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 3181 SW Sam Jackson Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex AamodtCritical Care Medicine Registered Nurse1154257590
- Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
- Kenneth Abbey, MDAnesthesiology Physician1588779342
- Matthew Abbott, PA-CMedical Physician Assistant1154738003
- Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
- Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430
Verify Nishant Tiwari in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD221030Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $17.28
1 payment: food and beverage; the largest payer was Tempus AI, Inc. The 30 providers of this specialty with any payment received $13,616.95 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.
Bills Medicare through one group practice
- University Professional ServicesPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neuropathology Physician providers in Oregon
There are 2 neuropathology physician records in Oregon.
Other neuropathology physician records in Oregon
- Marjorie Grafe, MDPortland, OR1447265954
Common questions
What is Nishant Tiwari, M.D.'s NPI number?
Nishant Tiwari, M.D.'s National Provider Identifier (NPI) is 1568717338, issued on Jul 18, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Nishant Tiwari, M.D. located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-8276. Providers update this record themselves, so call before visiting.
How can I verify Nishant Tiwari, M.D.'s license?
NPPES lists Oregon license number MD221030, 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.
What is Nishant Tiwari, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.1 of 100, reported for the practice group. 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.