Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Jennifer Loeb Sisco, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1366869471

Dr. Jennifer Loeb Sisco, MD is a Hospitalist in Oxnard, California. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 2014, 12 years ago. Practices with West Coast Critical Care Specialists, Inc, a 19-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
12
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
CA
In the registry since
2014
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

St John's Regional Medical Center -1600 N Rose Ave
Oxnard, CA 93030
Phone: (000) 000-0000
Fax: (805) 485-3025
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • St. John'S Pleasant Valley Hospital 2309 Antonio Avenue, Camarillo, CA 93010 — (000) 000-0000
  • 1500 San Pablo St, Los Angeles, CA 90033 — (323) 442-9550
  • 2051 Marengo St, Los Angeles, CA 90033-1352 — (323) 409-7184
  • 1500 San Pablo St, Los Angeles, CA 90033 — (323) 442-9550

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A148364 (CA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence A148364 (CA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence A148364 (CA)

Record details

NPI number1366869471
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 26, 2014
Last updated in NPPESDecember 17, 2021
Certification dateDecember 15, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesCRITICAL CARE (INTENSIVISTS), INTERNAL MEDICINE
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 2014 (12 years in practice)
Group practice West Coast Critical Care Specialists, Inc. — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Oxnard