NPPES file of Aug 9, 2026

Nathaniel James Hocker, MD

Nephrology Physician · Portland, OR

Nathaniel James Hocker, MD is a nephrology physician with a practice address in Portland, Oregon, and NPI 1093372682, issued on May 20, 2019. Check the license (Oregon MD221174, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093372682
Name
Nathaniel James Hocker
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
MD221174 OR
R-11499 IA
Self-reported in NPPES; status is on the state search
Practice location
3181 SW Sam Jackson Park RD Dept OF, Portland, OR 97239
Phone
(503) 494-8311
Enumerated
May 20, 2019
Record last updated
Aug 21, 2024
Medicare enrollment
Enrolled (PECOS I20240726001307); accepts Medicare assignment
Medical or professional school
Southern Illinois University School Of Medicine, 2019
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.
Download card Updates feed

Also registered at 3181 SW Sam Jackson Park RD Dept OF

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ajay Mohinani, DOStudent in an Organized Health Care Education/Training Program1699304998
  2. Kentaro Yamada, MD, PHDVascular & Interventional Radiology Physician1326930199

Verify Nathaniel James Hocker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD221174
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

94% fewer Medicare Part D claims than the average nephrology physician in 2024

85 Medicare Part D claims for 32 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Nathaniel Hocker85
  2. Specialty average1,465

Most prescribed

  1. Jardiance12 claims
  2. Losartan Potassium12 claims
  3. Chlorthalidone11 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.

Bills Medicare through one group practice

  1. University Professional ServicesPortland, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nathaniel James Hocker among 136 nephrology physician records in Oregon

Nathaniel James Hocker, MD is one of 136 nephrology physician records with a practice address in Oregon. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.

  • NPI issued2019 · 92% of these records are older, 6% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2019 · median 2003 among the 92 with a school on file
  • Record last updated2024 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Oregon

There are 136 nephrology physician records in Oregon.

The 8 nephrology physician records with the nearest ZIP codes

  1. Sharon Anderson, MDPortland, OR 972391285642710
  2. Susan Bagby, MDPortland, OR 972391245245760
  3. Pavan Chopra, MDPortland, OR 972391851473730
  4. David Cohen, MDPortland, OR 972391467468926
  5. Angelo De Mattos, MDPortland, OR 972391619984812
  6. Tonja Dirkx, MDPortland, OR 972391790872745
  7. David Ellison, MDPortland, OR 972391346337391
  8. Cynthia Gaboury, MDPortland, OR 972391063413276

Common questions

What is Nathaniel James Hocker, MD's NPI number?

Nathaniel James Hocker, MD's National Provider Identifier (NPI) is 1093372682, issued on May 20, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Nathaniel James Hocker, MD located?

The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD Dept OF, Portland, OR, 97239. Phone: (503) 494-8311. Providers update this record themselves, so call before visiting.

How can I verify Nathaniel James Hocker, MD's license?

NPPES lists Oregon license number MD221174, 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 Nathaniel James Hocker, MD prescribe under Medicare Part D?

In 2024, Nathaniel James Hocker, MD had 85 Medicare Part D claims for 32 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

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.