NPPES file of Aug 9, 2026

Allison Lynn Abraham, D.O.

Internal Medicine Physician · Portland, OR

Allison Lynn Abraham, D.O. is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1831488444, issued on Apr 4, 2011. Check the license (Oregon DO161514, 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
1831488444
Name
Allison Lynn Abraham
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
DO161514 OR
Self-reported in NPPES; status is on the state search
Practice location
1200 NW 23RD Ave, Portland, OR 97210
Phone
(503) 413-8407
Enumerated
Apr 4, 2011
Record last updated
Sep 23, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140714001573); accepts Medicare assignment
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 1200 NW 23RD Ave

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

  1. Hannah Bachrach, DOInternal Medicine Physician1518593409
  2. Aman Bagla, D.O.Internal Medicine Physician1467771188
  3. Nicolette Bottesini, DOInternal Medicine Physician1114554037
  4. Kelly CarrierInternal Medicine Physician1144757311
  5. Brandon DaoStudent in an Organized Health Care Education/Training Program1831848431
  6. Taylor Delamarter, D.O.Internal Medicine Physician1184002610

Verify Allison Lynn Abraham in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license DO161514
    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

54 Medicare Part D claims for 12 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Allison Abraham54
  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.

The practice group's MIPS final score for 2023 (Medicare payment program): 86 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 score77.8
  2. Costout of 100 · 30%74.2
  3. Promoting interoperabilityout of 100 · 25%99.0
  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. Legacy Clinics LLCPortland, OR

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

Allison Lynn Abraham among 2,116 internal medicine physician records in Oregon

Allison Lynn Abraham, D.O. 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 2011, is newer than 65% of them.

  • NPI issued2011 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2011 · median 2008 among the 1,232 with a school on file
  • Record last updated2017 · 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).

889 internal medicine physician records list a practice address in Portland

They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Stephen Baugh, MDPortland, OR 972101972577740
  2. James Borden, MDPortland, OR 972101679555742
  3. Patrick Dunn, M.D.Portland, OR 972101669447231
  4. Barry Egener, MDPortland, OR 972101437124088
  5. Joyce KaynardPortland, OR 972101720053317
  6. Curtis Marr, M.D.Portland, OR 972101669447264
  7. Erich Meihoff, MDPortland, OR 972101144295916
  8. John Oppenheimer, MDPortland, OR 972101922071513

Common questions

What is Allison Lynn Abraham, D.O.'s NPI number?

Allison Lynn Abraham, D.O.'s National Provider Identifier (NPI) is 1831488444, issued on Apr 4, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Allison Lynn Abraham, D.O. located?

The NPPES record lists a practice address at 1200 NW 23RD Ave, Portland, OR, 97210. Phone: (503) 413-8407. Providers update this record themselves, so call before visiting.

How can I verify Allison Lynn Abraham, D.O.'s license?

NPPES lists Oregon license number DO161514, 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 Allison Lynn Abraham, D.O. prescribe under Medicare Part D?

In 2024, Allison Lynn Abraham, D.O. had 54 Medicare Part D claims for 12 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Allison Lynn Abraham, D.O.'s MIPS final score?

The 2023 MIPS final score is 86 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.