Katherine Shafer, M.D.
Emergency Medicine Physician · French Camp, CA
Katherine Shafer, M.D. is an emergency medicine physician with a practice address in French Camp, California, and NPI 1932488160, issued on Aug 5, 2011. Check the license (California 137470, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Katherine Shafer
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 137470 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 W Hospital RD, French Camp, CA 95231
- Phone
- (209) 468-6300
- Enumerated
- Aug 5, 2011
- Record last updated
- Jul 29, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150821014416); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 500 W Hospital RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Shafer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 137470Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average emergency medicine physician in 2024
58 Medicare Part D claims for 39 beneficiaries, against an average of 226 among the 54,106 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
- Cep America - CaliforniaFrench Camp, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Shafer among 7,751 emergency medicine physician records in California
Katherine Shafer, M.D. 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 2011, is newer than 60% of them.
- NPI issued2011 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2011 · median 2011 among the 4,560 with a school on file
- Record last updated2015 · 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).
11 emergency medicine physician records list a practice address in French Camp
They are 11 of the 793 NPPES records with a practice address in French Camp, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in French Camp → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ziad Ali, M.D.French Camp, CA 952311932378437
- Clayton Benson, M.D.French Camp, CA 952311538567474
- John Croft, PAFrench Camp, CA 952311437140746
- Samuel DixonFrench Camp, CA 952311518996974
- Joseph IzzoFrench Camp, CA 952311720474729
- Carol's Montes-Rouse, MDFrench Camp, CA 952311306226188
- Karen Philippi, M.D.French Camp, CA 952311801819479
- Jessica Willett, M.D.French Camp, CA 952311871934869
Common questions
What is Katherine Shafer, M.D.'s NPI number?
Katherine Shafer, M.D.'s National Provider Identifier (NPI) is 1932488160, issued on Aug 5, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Shafer, M.D. located?
The NPPES record lists a practice address at 500 W Hospital RD, French Camp, CA, 95231. Phone: (209) 468-6300. Providers update this record themselves, so call before visiting.
How can I verify Katherine Shafer, M.D.'s license?
NPPES lists California license number 137470, 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 Katherine Shafer, M.D. prescribe under Medicare Part D?
In 2024, Katherine Shafer, M.D. had 58 Medicare Part D claims for 39 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.