Stephanus R. Philip, MD
Hospitalist Physician · Ventura, CA
Stephanus R. Philip, MD is a hospitalist physician with a practice address in Ventura, California, and NPI 1043255797, issued on Jun 17, 2006. Check the license (California A87363, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephanus R. Philip
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A87363 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3291 Loma Vista RD, Ventura, CA 93003
- Phone
- (805) 652-6075
- Enumerated
- Jun 17, 2006
- Record last updated
- Jul 17, 2023
- Fax
- (805) 652-6286
- Medicare enrollment
- Enrolled (PECOS I20040908001082); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1999
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 3291 Loma Vista RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maria Arizmendi, M.D.Pediatrics Physician1366641961
- Ralph Armstrong, M.D.Psychiatry Physician1518016443
Verify Stephanus R. Philip in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A87363Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average hospitalist physician in 2024
238 Medicare Part D claims for 54 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium21 claims
- Carvedilol15 claims
- Pantoprazole Sodium15 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
- Inpatient Specialists OF California PCOxnard, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanus R. Philip among 3,099 hospitalist physician records in California
Stephanus R. Philip, MD 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1999 · median 2010 among the 2,505 with a school on file
- Record last updated2023 · 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 Ventura → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Christina Desai, M.D.Ventura, CA 930031912161662
- Starleen Frousiakis, MDVentura, CA 930031174907604
- Alexander Jehlar, M.D.Ventura, CA 930031033185244
- Dennis Kulp, DOVentura, CA 930031982284600
- Kevin Stepanek, DOVentura, CA 930031407478902
- Sharif Tarazi, MDVentura, CA 930031497862510
- Aimee Wing, M.D.Ventura, CA 930031578724639
- Travis Bond, MDOxnard, CA 930301588826267
Common questions
What is Stephanus R. Philip, MD's NPI number?
Stephanus R. Philip, MD's National Provider Identifier (NPI) is 1043255797, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephanus R. Philip, MD located?
The NPPES record lists a practice address at 3291 Loma Vista RD, Ventura, CA, 93003. Phone: (805) 652-6075. Providers update this record themselves, so call before visiting.
How can I verify Stephanus R. Philip, MD's license?
NPPES lists California license number A87363, 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 Stephanus R. Philip, MD prescribe under Medicare Part D?
In 2024, Stephanus R. Philip, MD had 238 Medicare Part D claims for 54 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.