Heather Diaz
Family Medicine Physician · Salem, OR
Heather Diaz is a family medicine physician with a practice address in Salem, Oregon, and NPI 1255322269, issued on Oct 31, 2005. Check the license (Oregon MD26534, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Heather Diaz
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD26534 OR
Self-reported in NPPES; status is on the state search - Practice location
- 255 Lancaster Dr NE, Salem, OR 97301
- Phone
- (503) 576-8400
- Enumerated
- Oct 31, 2005
- Record last updated
- Mar 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (503) 364-0775
- Medicaid ID
- 8357675 WA
- Medicare enrollment
- Enrolled (PECOS I20061220000066); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 255 Lancaster Dr NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ilce Aguirre-Wilkinson, LCSWClinical Social Worker1033850508
- Seth AlkireFamily Medicine Physician1942615869
- Ryan Arams, MDFamily Medicine Physician1134788771
- Christopher Backsman, APRNNurse Practitioner1033589445
- Peter BodmerPhysician Assistant1639570120
- Julia BrownPhysician Assistant1841993128
Verify Heather Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD26534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average family medicine physician in 2024
3,592 Medicare Part D claims for 469 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 257 claims were for opioids.
Most prescribed
- Atorvastatin Calcium157 claims
- Lisinopril122 claims
- Levothyroxine Sodium121 claims
- Hydrocodone-Acetaminophen97 claims
- Amlodipine Besylate95 claims
- Losartan Potassium91 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The NorthwestSalem, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heather Diaz among 2,847 family medicine physician records in Oregon
Heather Diaz 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1999 · median 2009 among the 1,671 with a school on file
- Record last updated2021 · 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).
154 family medicine physician records list a practice address in Salem
They are 154 of the 6,700 NPPES records with a practice address in Salem, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Salem → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Raymond Baculi, M.D.Salem, OR 973011558302307
- Paul Balmer, MDSalem, OR 973011740293166
- Davis Cho, MDSalem, OR 973011447293337
- Ryan Cooley, M.D.Salem, OR 973011700994399
- Joseph Dziados, M.D.Salem, OR 973011770510398
- Holly Jo Hodges, MDSalem, OR 973011518933902
- Rosamund Irwin, MDSalem, OR 973011003903345
- Salvador Ortega, MDSalem, OR 973011699881466
Common questions
What is Heather Diaz's NPI number?
Heather Diaz's National Provider Identifier (NPI) is 1255322269, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Heather Diaz located?
The NPPES record lists a practice address at 255 Lancaster Dr NE, Salem, OR, 97301. Phone: (503) 576-8400. Providers update this record themselves, so call before visiting.
How can I verify Heather Diaz's license?
NPPES lists Oregon license number MD26534, 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 Heather Diaz prescribe under Medicare Part D?
In 2024, Heather Diaz had 3,592 Medicare Part D claims for 469 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.