NPPES file of Aug 9, 2026

Brian Duane Prestwich, MD

Family Medicine Physician · Medford, OR

Brian Duane Prestwich, MD is a family medicine physician with a practice address in Medford, Oregon, and NPI 1922194174, issued on Oct 5, 2006. Check the license (Oregon MD203193, 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
1922194174
Name
Brian Duane Prestwich
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
MD203193 OR
G64321 CA
Self-reported in NPPES; status is on the state search
Practice location
70 Bower Dr, Medford, OR 97501
Phone
(541) 734-3430
Enumerated
Oct 5, 2006
Record last updated
Mar 7, 2023
Fax
(541) 734-3638
Medicaid ID
500790439 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 70 Bower Dr

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

  1. Toni Baca, FNPFamily Nurse Practitioner1780162032
  2. Carissa Bravo, PSYDClinical Psychologist1538562749
  3. Uzomechine Chiedozi, MDFamily Medicine Physician1699160903
  4. Aaron Dam, M.D.Family Medicine Physician1851826937
  5. Jennifer Deltour, MSN-FNPFamily Nurse Practitioner1265813729
  6. Ahren Geilenfeldt, D.O.Neuromuscular Medicine (Physical Medicine & Rehabilitation) Physician1316384068

Verify Brian Duane Prestwich in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD203193
    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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95% fewer Medicare Part D claims than the average family medicine physician in 2024

177 Medicare Part D claims for 79 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Brian Prestwich177
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium20 claims
  2. Atorvastatin Calcium15 claims
  3. Gabapentin15 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.

Brian Duane Prestwich among 2,847 family medicine physician records in Oregon

Brian Duane Prestwich, MD 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 53% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2023 · 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).

93 family medicine physician records list a practice address in Medford

They are 93 of the 4,542 NPPES records with a practice address in Medford, and 2,847 family medicine physician records in Oregon.

The 8 family medicine physician records with the nearest ZIP codes

  1. Caryn Belafsky, MDMedford, OR 975011902823735
  2. Shireen Chamberland, MDMedford, OR 975011013973064
  3. Victoria Cordy, M.D.Medford, OR 975011497919161
  4. Mary Cutler, MDMedford, OR 975011649231523
  5. Pamela Demian, M.D.Medford, OR 975011336226927
  6. Thomas Hartkop, DOMedford, OR 975011457365645
  7. Shirley Malcolm, DOMedford, OR 975011316951510
  8. Jamie Osborn, M.D.Medford, OR 975011316972193

Common questions

What is Brian Duane Prestwich, MD's NPI number?

Brian Duane Prestwich, MD's National Provider Identifier (NPI) is 1922194174, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brian Duane Prestwich, MD located?

The NPPES record lists a practice address at 70 Bower Dr, Medford, OR, 97501. Phone: (541) 734-3430. Providers update this record themselves, so call before visiting.

How can I verify Brian Duane Prestwich, MD's license?

NPPES lists Oregon license number MD203193, 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 Brian Duane Prestwich, MD prescribe under Medicare Part D?

In 2024, Brian Duane Prestwich, MD had 177 Medicare Part D claims for 79 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.