NPPES file of Aug 9, 2026

Christopher J. Hernandez, DO

Internal Medicine Physician · Milwaukie, OR

Christopher J. Hernandez, DO is an internal medicine physician with a practice address in Milwaukie, Oregon, and NPI 1326506130, issued on Mar 11, 2019. Check the license (Oregon DO219590, 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
1326506130
Name
Christopher J. Hernandez
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
DO219590 OR
Self-reported in NPPES; status is on the state search
Practice location
10150 SE 32ND Ave, Milwaukie, OR 97222
Phone
(503) 513-8300
Enumerated
Mar 11, 2019
Record last updated
Sep 30, 2024
Medicare enrollment
Enrolled (PECOS I20240813002585); accepts Medicare assignment
Medical or professional school
Col Of Osteo Med Of The Pacific At Lebanon, 2021
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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Also registered at 10150 SE 32ND Ave

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

  1. Andrew Balster, MDInternal Medicine Physician1356803159
  2. Anne Breitinger, MDGastroenterology Physician1871772442
  3. Lindsey Burdick, MSPTPhysical Therapist1992915904
  4. Sheri Burk, MSPTPhysical Therapist1437368677
  5. Rhett Butler, M.D.Hospitalist Physician1275979171
  6. Michael Chan, M.D.Diagnostic Radiology Physician1851319016

Verify Christopher J. Hernandez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license DO219590
    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.

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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

66 Medicare Part D claims for 38 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Christopher Hernandez66
  2. Specialty average3,176

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.

Industry payments in 2024: $29.52

1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Hernandez$29.52
  2. Specialty average$1,303.06

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

  1. Providence Health And Services OregonMilwaukie, OR

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

Christopher J. Hernandez among 2,116 internal medicine physician records in Oregon

Christopher J. Hernandez, DO is one of 2,116 internal medicine 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 2019, is newer than 86% of them.

  • NPI issued2019 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2021 · median 2008 among the 1,232 with a school on file
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

22 internal medicine physician records list a practice address in Milwaukie

They are 22 of the 1,998 NPPES records with a practice address in Milwaukie, and 2,116 internal medicine physician records in Oregon.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Rhonda Brown, MDMilwaukie, OR 972221083935787
  2. Gregory Camp, MDMilwaukie, OR 972221912122698
  3. Stacie Carney, MDMilwaukie, OR 972221154527042
  4. Swapna Chennareddygari, MBBSMilwaukie, OR 972221558565150
  5. Deborah Frost, MDMilwaukie, OR 972221427003888
  6. Lisa Joyner, M.D.Milwaukie, OR 972221821216508
  7. David Maslen, MDMilwaukie, OR 972221033192521
  8. Dennis Mayer, MDMilwaukie, OR 972221235112723

Common questions

What is Christopher J. Hernandez, DO's NPI number?

Christopher J. Hernandez, DO's National Provider Identifier (NPI) is 1326506130, issued on Mar 11, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Christopher J. Hernandez, DO located?

The NPPES record lists a practice address at 10150 SE 32ND Ave, Milwaukie, OR, 97222. Phone: (503) 513-8300. Providers update this record themselves, so call before visiting.

How can I verify Christopher J. Hernandez, DO's license?

NPPES lists Oregon license number DO219590, 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 Christopher J. Hernandez, DO prescribe under Medicare Part D?

In 2024, Christopher J. Hernandez, DO had 66 Medicare Part D claims for 38 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.