NPPES file of Aug 9, 2026

Catherine J. Markin, MD

Pulmonary Disease Physician · Portland, OR

Catherine J. Markin, MD is a pulmonary disease physician with a practice address in Portland, Oregon, and NPI 1285731059, issued on Sep 20, 2006. Check the license (Oregon MD18401, 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
1285731059
Name
Catherine J. Markin
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
MD18401 OR
Self-reported in NPPES; status is on the state search
Practice location
2222 NW Lovejoy St., Portland, OR 97210
Phone
(503) 413-5702
Enumerated
Sep 20, 2006
Record last updated
Mar 3, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(503) 413-6499
Medicaid ID
286716 OR
Medicare enrollment
Enrolled (PECOS I20080527000609); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 1992
Telehealth
Offers telehealth (CMS)
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 2222 NW Lovejoy St.

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

  1. Vandy Sherbin, MDPulmonary Disease Physician1083711857

Verify Catherine J. Markin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD18401
    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

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31% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

979 Medicare Part D claims for 67 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.

  1. Catherine Markin979
  2. Specialty average1,425

Most prescribed

  1. Opsumit137 claims
  2. Uptravi112 claims
  3. Potassium Chloride84 claims
  4. Furosemide81 claims
  5. Tadalafil73 claims
  6. Veletri52 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): 91.4 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 score77.3
  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).

Industry payments in 2024: $124.58

5 payments; by number, the most common kind was food and beverage; the largest payer was Actelion Pharmaceuticals US, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Markin$124.58
  2. Specialty average$5,159.88

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. Legacy Clinics LLCPortland, OR

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

Catherine J. Markin among 197 pulmonary disease physician records in Oregon

Catherine J. Markin, MD is one of 197 pulmonary disease physician records with a practice address in Oregon. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 55% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1992 · median 2005 among the 144 with a school on file
  • Record last updated2011 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Oregon

There are 197 pulmonary disease physician records in Oregon.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Samuel Bullick, D.O.Portland, OR 972101386904662
  2. Matthew Champion, M.D.Portland, OR 972101962778902
  3. Jordan Fein, M.D.Portland, OR 972101255316345
  4. Christopher Fraley, MDPortland, OR 972101821011693
  5. Danielle Hosmer, MDPortland, OR 972101386767192
  6. Peter Jackson, M.D.Portland, OR 972101598054132
  7. Michael Lewis, M.D.Portland, OR 972101811966641
  8. Erika Moseson, MDPortland, OR 972101790010387

Common questions

What is Catherine J. Markin, MD's NPI number?

Catherine J. Markin, MD's National Provider Identifier (NPI) is 1285731059, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Catherine J. Markin, MD located?

The NPPES record lists a practice address at 2222 NW Lovejoy St., Portland, OR, 97210. Phone: (503) 413-5702. Providers update this record themselves, so call before visiting.

How can I verify Catherine J. Markin, MD's license?

NPPES lists Oregon license number MD18401, 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 Catherine J. Markin, MD prescribe under Medicare Part D?

In 2024, Catherine J. Markin, MD had 979 Medicare Part D claims for 67 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

What is Catherine J. Markin, MD's MIPS final score?

The 2023 MIPS final score is 91.4 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.