Joshua Walter Stein
Emergency Medicine Physician · Stanford, CA
Joshua Walter Stein is an emergency medicine physician with a practice address in Stanford, California, and NPI 1134512767, issued on Mar 6, 2015. Check the license (California A164744, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joshua Walter Stein
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A164744 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Mar 6, 2015
- Record last updated
- Jun 29, 2022
- Medicare enrollment
- Enrolled (PECOS I20220802001109); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2018
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
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Verify Joshua Walter Stein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A164744Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average emergency medicine physician in 2024
242 Medicare Part D claims for 168 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 23 claims were for opioids.
Most prescribed
- Ondansetron Odt22 claims
- Cefpodoxime Proxetil21 claims
- Hydrocodone-Acetaminophen17 claims
- Naloxone Hcl15 claims
- Amoxicillin-Clavulanate Potass12 claims
- Sulfamethoxazole-Trimethoprim11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 98.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Berkeley Emergency Medical Group IncBerkeley, CA
- Permanente Medical Group IncRedwood City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua Walter Stein among 7,751 emergency medicine physician records in California
Joshua Walter Stein is one of 7,751 emergency 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 2015, is newer than 72% of them.
- NPI issued2015 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2018 · median 2011 among the 4,560 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
163 emergency medicine physician records list a practice address in Stanford
They are 163 of the 5,606 NPPES records with a practice address in Stanford, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Stanford → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
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- Ian Ferguson, D.O.Stanford, CA 943051265495345
- Marc Gautreau, MDStanford, CA 943051932182185
- David Ghilarducci, MDStanford, CA 943051861435661
- Michael Gisondi, MDStanford, CA 943051659317121
- Prasanthi Govindarajan, MDStanford, CA 943051205879517
- Grant Lipman, M.DStanford, CA 943051255374005
Common questions
What is Joshua Walter Stein's NPI number?
Joshua Walter Stein's National Provider Identifier (NPI) is 1134512767, issued on Mar 6, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Walter Stein located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Joshua Walter Stein's license?
NPPES lists California license number A164744, 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 Joshua Walter Stein prescribe under Medicare Part D?
In 2024, Joshua Walter Stein had 242 Medicare Part D claims for 168 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Joshua Walter Stein's MIPS final score?
The 2023 MIPS final score is 98.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.