John Murashige, MD
Family Medicine Physician · Orange, CA
John Murashige, MD is a family medicine physician with a practice address in Orange, California, and NPI 1982605481, issued on Aug 9, 2005. Check the license (California G53383, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Murashige
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G53383 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2501 E Chapman Ave, Orange, CA 92869
- Phone
- (714) 628-3300
- Enumerated
- Aug 9, 2005
- Record last updated
- Nov 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060622000135); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2501 E Chapman Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Murashige in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G53383Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average family medicine physician in 2024
823 Medicare Part D claims for 499 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Azithromycin94 claims
- Cefdinir74 claims
- Amoxicillin-Clavulanate Potass60 claims
- Mupirocin45 claims
- Cephalexin44 claims
- Baclofen37 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
- Providence Medical FoundationDiamond Bar, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Murashige among 17,133 family medicine physician records in California
John Murashige, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1983 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
106 family medicine physician records list a practice address in Orange
They are 106 of the 13,245 NPPES records with a practice address in Orange, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Orange → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nicole Awad, M.D.Orange, CA 928691295821189
- Robert Budman, MDOrange, CA 928691598725814
- Alex Dariushnia, M.D.Orange, CA 928691336243385
- Semira Dariushnia, M.D.Orange, CA 928691184725053
- Linda Haase, FNPOrange, CA 928691699867242
- Allen Houshiar, DO, MSOrange, CA 928691427076272
- Steven Joe, D.O.Orange, CA 928691649366410
- Virany Kreng, M.D.Orange, CA 928691891881660
Common questions
What is John Murashige, MD's NPI number?
John Murashige, MD's National Provider Identifier (NPI) is 1982605481, issued on Aug 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Murashige, MD located?
The NPPES record lists a practice address at 2501 E Chapman Ave, Orange, CA, 92869. Phone: (714) 628-3300. Providers update this record themselves, so call before visiting.
How can I verify John Murashige, MD's license?
NPPES lists California license number G53383, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Murashige, MD prescribe under Medicare Part D?
In 2024, John Murashige, MD had 823 Medicare Part D claims for 499 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.