NPPES file of Aug 9, 2026

Nancy J. Heisel, MD

Internal Medicine Physician · Lake Oswego, OR

Nancy J. Heisel, MD is an internal medicine physician with a practice address in Lake Oswego, Oregon, and NPI 1134274129, issued on Jan 23, 2007. Check the license (Oregon MD171272, 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
1134274129
Name
Nancy J. Heisel
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MD171272 OR
218217 AK
Self-reported in NPPES; status is on the state search
Practice location
18010 SW Mcewan RD, Lake Oswego, OR 97035
Phone
(503) 525-7500
Enumerated
Jan 23, 2007
Record last updated
Jan 18, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 18010 SW Mcewan RD

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

  1. Tanell Ogbeide, C.F.N.P.Nurse Practitioner1609108687
  2. Ren Shirai, DOFamily Medicine Physician1356036677
  3. Jordan Smith, M.D.Internal Medicine Physician1336345263

Verify Nancy J. Heisel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD171272
    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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4% more Medicare Part D claims than the average internal medicine physician in 2024

3,288 Medicare Part D claims for 641 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 109 claims were for opioids.

  1. Nancy Heisel3,288
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium166 claims
  2. Amlodipine Besylate132 claims
  3. Losartan Potassium126 claims
  4. Metoprolol Succinate120 claims
  5. Levothyroxine Sodium115 claims
  6. Lisinopril109 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): 93.6 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 score85.3
  2. Costnot scored (reweighted)
  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).

Nancy J. Heisel among 2,116 internal medicine physician records in Oregon

Nancy J. Heisel, MD 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 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 45% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2025 · 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).

23 internal medicine physician records list a practice address in Lake Oswego

They are 23 of the 1,377 NPPES records with a practice address in Lake Oswego, and 2,116 internal medicine physician records in Oregon.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Colene Andersen, MDLake Oswego, OR 970351710932421
  2. Daryl Baron, MDLake Oswego, OR 970351245293596
  3. Lauren Gearhart, MDLake Oswego, OR 970351720069529
  4. H Harris, MDLake Oswego, OR 970351962469551
  5. Steven Hashiguchi, MDLake Oswego, OR 970351184687428
  6. Paula KilpatrickLake Oswego, OR 970351134179872
  7. Hidenao Kimura, MDLake Oswego, OR 970351770519340
  8. Judith Lindsey, M.D.Lake Oswego, OR 970351922074160

Common questions

What is Nancy J. Heisel, MD's NPI number?

Nancy J. Heisel, MD's National Provider Identifier (NPI) is 1134274129, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Nancy J. Heisel, MD located?

The NPPES record lists a practice address at 18010 SW Mcewan RD, Lake Oswego, OR, 97035. Phone: (503) 525-7500. Providers update this record themselves, so call before visiting.

How can I verify Nancy J. Heisel, MD's license?

NPPES lists Oregon license number MD171272, 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 Nancy J. Heisel, MD prescribe under Medicare Part D?

In 2024, Nancy J. Heisel, MD had 3,288 Medicare Part D claims for 641 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Nancy J. Heisel, MD's MIPS final score?

The 2023 MIPS final score is 93.6 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.