NPPES file of Aug 9, 2026

Jonathan Hattenhauer, D.O.

Gastroenterology Physician · Milwaukie, OR

Jonathan Hattenhauer, D.O. is a gastroenterology physician with a practice address in Milwaukie, Oregon, and NPI 1013302348, issued on Apr 3, 2015. Check the license (Oregon DO203654, 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
1013302348
Name
Jonathan Hattenhauer
Credential
D.O.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
DO203654 OR
OP61629049 WA
Self-reported in NPPES; status is on the state search
Practice location
10150 SE 32ND Ave, Milwaukie, OR 97222
Phone
(503) 215-5895
Enumerated
Apr 3, 2015
Record last updated
Aug 19, 2025
Medicare enrollment
Enrolled (PECOS I20250418001358); accepts Medicare assignment
Medical or professional school
Western Un Of Hlth Sciences, Col Of Podiatric Med, 2015
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 Jonathan Hattenhauer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license DO203654
    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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12% fewer Medicare Part D claims than the average gastroenterology physician in 2024

710 Medicare Part D claims for 511 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Jonathan Hattenhauer710
  2. Specialty average811

Most prescribed

  1. Peg 3350-Electrolyte355 claims
  2. Omeprazole107 claims
  3. Sod Sulf-Potass Sulf-Mag Sulf40 claims
  4. Gavilyte-N20 claims
  5. Pantoprazole Sodium18 claims
  6. Sucralfate16 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 practice group's MIPS final score for 2023 (Medicare payment program): 98.7 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.

  1. Qualityout of 100 · 30% of the final score87.2
  2. Costout of 100 · 30%91.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through 3 group practices

  1. PeacehealthVancouver, WA
  2. PeacehealthVancouver, WA
  3. Yakima Valley Memorial PhysiciansYakima, WA

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

Jonathan Hattenhauer among 281 gastroenterology physician records in Oregon

Jonathan Hattenhauer, D.O. is one of 281 gastroenterology physician records with a practice address in Oregon. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 88% of them.

  • NPI issued2015 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2015 · median 2003 among the 201 with a school on file
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Oregon

There are 281 gastroenterology physician records in Oregon.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Anne Breitinger, MDMilwaukie, OR 972221871772442
  2. Sheeten Doshi, M.D.Tigard, OR 972231154307478
  3. Chris Hyun, M.D.Tigard, OR 972231447230594
  4. Debbie Cheng, MDPortland, OR 972201730576018
  5. Viju Deenadayalu, MDPortland, OR 972201922270735
  6. Rebecca Fausel, M.D.Portland, OR 972201184880726
  7. Charles GabbertPortland, OR 972201750587945
  8. Ian Holmes, MDPortland, OR 972201073933099

Common questions

What is Jonathan Hattenhauer, D.O.'s NPI number?

Jonathan Hattenhauer, D.O.'s National Provider Identifier (NPI) is 1013302348, issued on Apr 3, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Hattenhauer, D.O. located?

The NPPES record lists a practice address at 10150 SE 32ND Ave, Milwaukie, OR, 97222. Phone: (503) 215-5895. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Hattenhauer, D.O.'s license?

NPPES lists Oregon license number DO203654, 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 Jonathan Hattenhauer, D.O. prescribe under Medicare Part D?

In 2024, Jonathan Hattenhauer, D.O. had 710 Medicare Part D claims for 511 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Jonathan Hattenhauer, D.O.'s MIPS final score?

The 2023 MIPS final score is 98.7 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.