Steven Sinfield, MD
Hospitalist Physician · Pasadena, CA
Steven Sinfield, MD is a hospitalist physician with a practice address in Pasadena, California, and NPI 1013545979, issued on Mar 27, 2020. Check the license (California A183275, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven Sinfield
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A183275 CA
Self-reported in NPPES; status is on the state search - Practice location
- 797 S Fair Oaks Ave, Pasadena, CA 91105
- Phone
- (626) 795-2244
- Enumerated
- Mar 27, 2020
- Record last updated
- Jan 11, 2026
- Medicare enrollment
- Enrolled (PECOS I20230712001917); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 797 S Fair Oaks Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Derek AsimusPhysician Assistant1659738516
- Lorence Eshoe, MDFamily Medicine Physician1487656807
- Lusanik Galustanian, M.D.Internal Medicine Physician1245597921
- Anne Marie Girard, P.A.Medical Physician Assistant1417103581
- Seema Hanamsagar, MDFamily Medicine Physician1952387581
- Betty Mandela, MD, MPHFamily Medicine Physician1881218154
Verify Steven Sinfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A183275Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average hospitalist physician in 2024
298 Medicare Part D claims for 150 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Furosemide25 claims
- Doxycycline Hyclate22 claims
- Amoxicillin-Clavulanate Potass20 claims
- Prednisone18 claims
- Metoprolol Succinate17 claims
- Ciprofloxacin Hcl15 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 3 group practices
- Beaver Medical Group P CRedlands, CA
- Memorialcare Medical FoundationLong Beach, CA
- Southern California Permanente Medical GroupAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Sinfield among 3,099 hospitalist physician records in California
Steven Sinfield, 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 2020, is newer than 85% of them.
- NPI issued2020 · 85% of these records are older, 10% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2020 · median 2010 among the 2,505 with a school on file
- Record last updated2026 · 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 Pasadena → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Alipasha Adrangui, M.D.Pasadena, CA 911051780911263
- Vaibhav Anvekar, M.D.Pasadena, CA 911051366548307
- Olga Garshyna, MDPasadena, CA 911051508040585
- Bahij Ghazal, M.D.Pasadena, CA 911051912180233
- Anil Hanuman, D,O.Pasadena, CA 911051023101813
- Imran KhanPasadena, CA 911051992908123
- Elizabeth Kovacs, MDPasadena, CA 911051104882067
- Jamen Kurtyka, MDPasadena, CA 911051245551647
Common questions
What is Steven Sinfield, MD's NPI number?
Steven Sinfield, MD's National Provider Identifier (NPI) is 1013545979, issued on Mar 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Steven Sinfield, MD located?
The NPPES record lists a practice address at 797 S Fair Oaks Ave, Pasadena, CA, 91105. Phone: (626) 795-2244. Providers update this record themselves, so call before visiting.
How can I verify Steven Sinfield, MD's license?
NPPES lists California license number A183275, 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 Steven Sinfield, MD prescribe under Medicare Part D?
In 2024, Steven Sinfield, MD had 298 Medicare Part D claims for 150 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.