NPPES file of Aug 9, 2026

Andrew M. Balster, MD

Internal Medicine Physician · Milwaukie, OR

Andrew M. Balster, MD is an internal medicine physician with a practice address in Milwaukie, Oregon, and NPI 1356803159, issued on Apr 2, 2019. Check the license (Oregon MD199589, 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
1356803159
Name
Andrew M. Balster
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD199589 OR
Self-reported in NPPES; status is on the state search
Practice location
10150 SE 32ND Ave, Milwaukie, OR 97222
Phone
(503) 513-8641
Enumerated
Apr 2, 2019
Record last updated
Dec 2, 2022
Medicare enrollment
Enrolled (PECOS I20220808003366); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2019
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 10150 SE 32ND Ave

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

  1. Anne Breitinger, MDGastroenterology Physician1871772442
  2. Lindsey Burdick, MSPTPhysical Therapist1992915904
  3. Sheri Burk, MSPTPhysical Therapist1437368677
  4. Rhett Butler, M.D.Hospitalist Physician1275979171
  5. Michael Chan, M.D.Diagnostic Radiology Physician1851319016
  6. Louis Cohen, DOHospitalist Physician1467492629

Verify Andrew M. Balster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD199589
    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.

93% fewer Medicare Part D claims than the average internal medicine physician in 2024

227 Medicare Part D claims for 97 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Andrew Balster227
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium13 claims
  2. Cephalexin12 claims
  3. Prednisone12 claims
  4. Amoxicillin-Clavulanate Potass11 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): 97.5 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 score97.9
  2. Costout of 100 · 30%84.6
  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 one group practice

  1. Providence Health And Services OregonHood River, OR

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

Other internal medicine physician records in Oregon

  1. Charmaine Clarisse Abalos, M.D.Medford, OR1700376050
  2. Soraya Abbassian, M.D.Portland, OR1225029184
  3. Mohamed Abdel Khalek, M.DRoseburg, OR1972687390
  4. Rand AbedalweliPortland, OR1265019996
  5. Robert Abernathy, M.D.Bend, OR1063433449
  6. Rebecca Abney, D.O.Portland, OR1881984748
  7. Mohamed Aboukhashan, MDMedford, OR1932350782
  8. Allison Abraham, D.O.Portland, OR1831488444
  9. Heidi Abreu Pacheco, M.DMount Angel, OR1669691721
  10. Hennie Abrio, MDRoseburg, OR1891925129

Common questions

What is Andrew M. Balster, MD's NPI number?

Andrew M. Balster, MD's National Provider Identifier (NPI) is 1356803159, issued on Apr 2, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Andrew M. Balster, MD located?

The NPPES record lists a practice address at 10150 SE 32ND Ave, Milwaukie, OR, 97222. Phone: (503) 513-8641. Providers update this record themselves, so call before visiting.

How can I verify Andrew M. Balster, MD's license?

NPPES lists Oregon license number MD199589, 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 Andrew M. Balster, MD prescribe under Medicare Part D?

In 2024, Andrew M. Balster, MD had 227 Medicare Part D claims for 97 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Andrew M. Balster, MD's MIPS final score?

The 2023 MIPS final score is 97.5 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.