Josiah B. Belzer, MD
Family Medicine Physician · Kent, WA
Josiah B. Belzer, MD is a family medicine physician with a practice address in Kent, Washington, and NPI 1619409273, issued on Mar 31, 2017. Check the license (Washington MD61028478, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Josiah B. Belzer
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD61028478 WA
Self-reported in NPPES; status is on the state search - Practice location
- 26004 104TH Ave SE Ste 101, Kent, WA 98030
- Phone
- (425) 251-4040
- Enumerated
- Mar 31, 2017
- Record last updated
- May 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (425) 251-4126
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 26004 104TH Ave SE Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Josiah B. Belzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61028478Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
63 Medicare Part D claims for 32 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.
Industry payments in 2024: $16.80
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Josiah B. Belzer among 5,534 family medicine physician records in Washington
Josiah B. Belzer, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% 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 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
70 family medicine physician records list a practice address in Kent
They are 70 of the 2,674 NPPES records with a practice address in Kent, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Kent → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Von Chang, MDKent, WA 980301003844804
- Hilton Chen, MDKent, WA 980301821017922
- Harpreet Chhokar, M.D.Kent, WA 980301194779629
- David Eidt, MDKent, WA 980301629099155
- Dale Epper, MDKent, WA 980301700803400
- Sadaf Hussain, MDKent, WA 980301558363176
- Robert Larson, M.D.Kent, WA 980301881617488
- Ruth Michaelis, MDKent, WA 980301982698320
Common questions
What is Josiah B. Belzer, MD's NPI number?
Josiah B. Belzer, MD's National Provider Identifier (NPI) is 1619409273, issued on Mar 31, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Josiah B. Belzer, MD located?
The NPPES record lists a practice address at 26004 104TH Ave SE Ste 101, Kent, WA, 98030. Phone: (425) 251-4040. Providers update this record themselves, so call before visiting.
How can I verify Josiah B. Belzer, MD's license?
NPPES lists Washington license number MD61028478, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Josiah B. Belzer, MD prescribe under Medicare Part D?
In 2024, Josiah B. Belzer, MD had 63 Medicare Part D claims for 32 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.