NPPES file of Aug 9, 2026

Casey Peyton Homeyer, MD/MPH

Obstetrics Physician · Portland, OR

Casey Peyton Homeyer, MD/MPH is an obstetrics physician with a practice address in Portland, Oregon, and NPI 1871989178, issued on Apr 13, 2015. Check the license (Oregon MD193740, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871989178
Name
Casey Peyton Homeyer
Credential
MD/MPH
Primary taxonomy
Obstetrics Physician 207VX0000X
License number
MD193740 OR
Self-reported in NPPES; status is on the state search
Practice location
3550 N Interstate Ave, Portland, OR 97227
Phone
(285) 424-6855
Enumerated
Apr 13, 2015
Record last updated
Mar 4, 2024
Medicaid ID
MD193740 OR
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 3550 N Interstate Ave

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

  1. Brianna Abbey, MA, LPC, CADC 1Professional Counselor1710133665
  2. Kaylene Adams, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1669922035
  3. John Alferes, M.D.Internal Medicine Physician1679680805
  4. James Allen, M.M.F.T.Addiction (Substance Use Disorder) Counselor1821192279
  5. Brad Anderson, M.D.Addiction Medicine (Family Medicine) Physician1245323724
  6. Brenda Annotti, F.N.P.Gerontology Registered Nurse1255335295

Verify Casey Peyton Homeyer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD193740
    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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56% fewer Medicare Part D claims than the average obstetrics physician in 2024

96 Medicare Part D claims for 38 beneficiaries, against an average of 218 among the 863 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Casey Homeyer96
  2. Specialty average218

Most prescribed

  1. Progesterone18 claims
  2. Estradiol16 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.

Casey Peyton Homeyer among 16 obstetrics physician records in Oregon

Casey Peyton Homeyer, MD/MPH is one of 16 obstetrics physician records with a practice address in Oregon. 50% 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 75% of them.

  • NPI issued2015 · 75% of these records are older, 19% newer
  • In a Medicare fileYes · 50% of these records are
  • In the CMS Doctors and Clinicians fileNo · 25% of these records are
  • Record last updated2024 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics Physician providers in Oregon

There are 16 obstetrics physician records in Oregon.

The 8 obstetrics physician records with the nearest ZIP codes

  1. Robert Warnock, MDPortland, OR 972271467553461
  2. Judy Marvin, MDPortland, OR 972251669583100
  3. Megan Cohen, MD, MPHPortland, OR 972391194144915
  4. Katherine Fitch, MDPortland, OR 972391942829221
  5. Osinakachukwu Mbata, MDPortland, OR 972391376003566
  6. Andrea Buras, M.D.Portland, OR 972131609130392
  7. Katherine Holloway, LDPortland, OR 972121780863761
  8. Carmen Doom, M.D., PH.D.Portland, OR 972101386935609

Common questions

What is Casey Peyton Homeyer, MD/MPH's NPI number?

Casey Peyton Homeyer, MD/MPH's National Provider Identifier (NPI) is 1871989178, issued on Apr 13, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Casey Peyton Homeyer, MD/MPH located?

The NPPES record lists a practice address at 3550 N Interstate Ave, Portland, OR, 97227. Phone: (285) 424-6855. Providers update this record themselves, so call before visiting.

How can I verify Casey Peyton Homeyer, MD/MPH's license?

NPPES lists Oregon license number MD193740, 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 Casey Peyton Homeyer, MD/MPH prescribe under Medicare Part D?

In 2024, Casey Peyton Homeyer, MD/MPH had 96 Medicare Part D claims for 38 beneficiaries; the average among obstetrics physician prescribers was 218. Part D covers Medicare prescriptions only.

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.