Zachary Jordan Horwitz, MD
Family Medicine Physician · Springfield, OR
Zachary Jordan Horwitz, MD is a family medicine physician with a practice address in Springfield, Oregon, and NPI 1942959119, issued on Mar 23, 2022. Check the license (Oregon MD225101, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Zachary Jordan Horwitz
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD225101 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Centennial Blvd, Springfield, OR 97477
- Phone
- (541) 747-4300
- Enumerated
- Mar 23, 2022
- Record last updated
- Jul 13, 2025
- Medicare enrollment
- Enrolled (PECOS I20250918004352); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 1800 Centennial Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nicole Kepner, PHARMDAmbulatory Care Pharmacist1932609245
- Chelsea Loy, CSWAClinical Social Worker1639820418
- Julie MottMental Health Counselor1265847271
Verify Zachary Jordan Horwitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD225101Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
51 Medicare Part D claims for 16 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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
- Northwest Medical Homes, LLCSpringfield, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachary Jordan Horwitz among 2,847 family medicine physician records in Oregon
Zachary Jordan Horwitz, 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 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2022 · 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).
51 family medicine physician records list a practice address in Springfield
They are 51 of the 2,209 NPPES records with a practice address in Springfield, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Springfield → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Patricia Ahlen, MDSpringfield, OR 974771083681860
- John Ahlen, MDSpringfield, OR 974771669449898
- Michael Findley, M.D.Springfield, OR 974771154320380
- Warren Griffith, D.O.Springfield, OR 974771932180049
- Kenneth Hanson, D.O.Springfield, OR 974771710950324
- Douglas Jeffrey, MDSpringfield, OR 974771174592117
- Graham Kaiser, D.O.Springfield, OR 974771598731903
- Steven Lambros, M.D.Springfield, OR 974771730156399
Common questions
What is Zachary Jordan Horwitz, MD's NPI number?
Zachary Jordan Horwitz, MD's National Provider Identifier (NPI) is 1942959119, issued on Mar 23, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Jordan Horwitz, MD located?
The NPPES record lists a practice address at 1800 Centennial Blvd, Springfield, OR, 97477. Phone: (541) 747-4300. Providers update this record themselves, so call before visiting.
How can I verify Zachary Jordan Horwitz, MD's license?
NPPES lists Oregon license number MD225101, 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 Zachary Jordan Horwitz, MD prescribe under Medicare Part D?
In 2024, Zachary Jordan Horwitz, MD had 51 Medicare Part D claims for 16 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.