NPPES file of Aug 9, 2026

Nadia Reinhart-McMillan, D.O.

Family Medicine Physician · Portland, OR

Nadia Reinhart-McMillan, D.O. is a family medicine physician with a practice address in Portland, Oregon, and NPI 1750813507, issued on Mar 31, 2017. Check the license (Oregon DO200004, 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
1750813507
Name
Nadia Reinhart-McMillan
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
DO200004 OR
Self-reported in NPPES; status is on the state search
Practice location
20 N Skidmore St, Portland, OR 97217
Phone
(888) 663-6331
Enumerated
Mar 31, 2017
Record last updated
Mar 18, 2025
Fax
(415) 252-7176
Medicare enrollment
Enrolled (PECOS I20200707001266); may accept Medicare assignment
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 20 N Skidmore St

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

  1. Mary Frances Lowdermilk, M.D.Family Medicine Physician1245453315
  2. Jamie Owens, FNP-CFamily Nurse Practitioner1740696160
  3. Jonathan Shie, MDFamily Medicine Physician1619322393
  4. Stephen Zeimantz, NPNurse Practitioner1922001478

Verify Nadia Reinhart-McMillan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license DO200004
    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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94% fewer Medicare Part D claims than the average family medicine physician in 2024

229 Medicare Part D claims for 24 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. Nadia Reinhart-McMillan229
  2. Specialty average3,544

Most prescribed

  1. Gabapentin22 claims
  2. Hydrocodone-Acetaminophen20 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.

Nadia Reinhart-McMillan among 2,847 family medicine physician records in Oregon

Nadia Reinhart-McMillan, D.O. is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.

  • NPI issued2017 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2017 · median 2009 among the 1,671 with a school on file
  • Record last updated2025 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

561 family medicine physician records list a practice address in Portland

They are 561 of the 42,088 NPPES records with a practice address in Portland, and 2,847 family medicine physician records in Oregon.

The 8 family medicine physician records with the nearest ZIP codes

  1. Matthew Breeze, MDPortland, OR 972171083655609
  2. Simon Chan, DOPortland, OR 972171841242195
  3. Diego Diaz, MDPortland, OR 972171407019532
  4. Shauna Ensminger, MDPortland, OR 972171619960002
  5. Gregory Freed, M.D.Portland, OR 972171346433042
  6. Monique Gedenk, MDPortland, OR 972171740226745
  7. Janel Guyette, M.D.Portland, OR 972171205990660
  8. Mary Frances Lowdermilk, M.D.Portland, OR 972171245453315

Common questions

What is Nadia Reinhart-McMillan, D.O.'s NPI number?

Nadia Reinhart-McMillan, D.O.'s National Provider Identifier (NPI) is 1750813507, issued on Mar 31, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Nadia Reinhart-McMillan, D.O. located?

The NPPES record lists a practice address at 20 N Skidmore St, Portland, OR, 97217. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.

How can I verify Nadia Reinhart-McMillan, D.O.'s license?

NPPES lists Oregon license number DO200004, 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 Nadia Reinhart-McMillan, D.O. prescribe under Medicare Part D?

In 2024, Nadia Reinhart-McMillan, D.O. had 229 Medicare Part D claims for 24 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.