Catherine Elizabeth Firestein, MD, MPH
Hospitalist Physician · San Diego, CA
Catherine Elizabeth Firestein, MD, MPH is a hospitalist physician with a practice address in San Diego, California, and NPI 1427348382, issued on Apr 12, 2011. Check the license (California A143013, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Catherine Elizabeth Firestein
- Credential
- MD, MPH
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A143013 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 W Arbor Dr, San Diego, CA 92103
- Phone
- (800) 926-8273
- Enumerated
- Apr 12, 2011
- Record last updated
- Aug 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid IDs
- 00780010 MS
2146742 LA - Medicare enrollment
- Enrolled (PECOS I20160718002039); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 200 W Arbor Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine Elizabeth Firestein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A143013Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average hospitalist physician in 2024
81 Medicare Part D claims for 41 beneficiaries, against an average of 521 among the 21,613 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
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Elizabeth Firestein among 3,099 hospitalist physician records in California
Catherine Elizabeth Firestein, MD, MPH is one of 3,099 hospitalist physician records with a practice address in California. 90% 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 47% of them.
- NPI issued2011 · 47% of these records are older, 49% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2011 · median 2010 among the 2,505 with a school on file
- Record last updated2019 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in San Diego → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Ali Amirrezvani, M.D.San Diego, CA 921031861485005
- William Anapoell, MDSan Diego, CA 921031982631289
- Deepak Asudani, M.D.San Diego, CA 921031548208812
- Atousa Brandish, M.D.San Diego, CA 921031609814235
- Michael Hogarth, M.D.San Diego, CA 921031225019193
- Matthew Hom, M.D.San Diego, CA 921031881632081
- Bryan Huang, M.D.San Diego, CA 921031881652394
- Ian Jenkins, M.D.San Diego, CA 921031992762520
Common questions
What is Catherine Elizabeth Firestein, MD, MPH's NPI number?
Catherine Elizabeth Firestein, MD, MPH's National Provider Identifier (NPI) is 1427348382, issued on Apr 12, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Elizabeth Firestein, MD, MPH located?
The NPPES record lists a practice address at 200 W Arbor Dr, San Diego, CA, 92103. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify Catherine Elizabeth Firestein, MD, MPH's license?
NPPES lists California license number A143013, 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 Catherine Elizabeth Firestein, MD, MPH prescribe under Medicare Part D?
In 2024, Catherine Elizabeth Firestein, MD, MPH had 81 Medicare Part D claims for 41 beneficiaries; the average among hospitalist physician prescribers was 521. 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.