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DR. JENNIFER LOEB SISCO MD
NPI 1366869471
Internal Medicine in Oxnard, CA

Active since March 26, 2014PECOS EnrolledAccepts Medicare Assignment
98.82/100
CMS Quality Rating
ST. JOHN'S REGIONAL MEDICAL CENTER -1600 N ROSE AVENUE, OXNARD, CA 93030(000) 000-0000(805) 485-3025 Get Directions Write a Review

NPPES record last updated: December 17, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 17, 2021, Jul 22, 2020, Jul 19, 2019 and 3 more (6 updates tracked since 2017).

About Dr. Jennifer Loeb Sisco Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JENNIFER LOEB SISCO MD (NPI 1366869471) is an individual internal medicine provider in Oxnard, California, licensed in California (A148364) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2014).

NPPES Registry Identity

NPI1366869471
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. JENNIFER LOEB SISCOCredential: MD
Location AddressST. JOHN'S REGIONAL MEDICAL CENTER -1600 N ROSE AVENUEOxnard, CA 93030
Mailing Address2020 Zonal Ave # Ird723Los Angeles, CA 90089-0121 · (323) 409-7184
Phone(000) 000-0000
Fax(805) 485-3025
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2014
Enumeration DateMarch 26, 2014
Last NPPES UpdateDecember 17, 20216 updates tracked since enumeration
NPPES CertifiedDecember 15, 2021
✔ NPI 1366869471 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A148364
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License A148364 (CA)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License A148364 (CA)
ST. JOHN'S REGIONAL MEDICAL CENTER -1600 N ROSE AVENUE, Oxnard, CA 93030
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Other Names 1

Former Name (1)Mrs. Jennifer Michelle Loeb Md

Secondary Practice Locations 3

Location 11500 San Pablo StLos Angeles, CA 90033 · Phone (323) 442-9550
Location 22051 Marengo StLos Angeles, CA 90033-1352 · Phone (323) 409-7184
Location 3St. John's Pleasant Valley Hospital 2309 Antonio AvenueCamarillo, CA 93010 · Phone (000) 000-0000 · Fax (805) 485-3025

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jennifer Loeb Sisco Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890095160
PECOS Enrollment IDI20180831002214
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
133 services77 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
88 services69 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
31 services31 patients
Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556
This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$140.72 typical visit price
range $62.32 – $185.36
Typical copayment $35.18 (range $15.58 – $46.34)
Most-billed visit code 99204
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.82/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality86.85
Improvement Activities40

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jennifer Sisco's NPI number?

The NPI number for Jennifer Sisco is 1366869471. It was assigned to this individual provider in the NPPES registry on March 26, 2014. The provider is also known as Mrs. Jennifer Michelle Loeb MD.

Where is Jennifer Sisco located?

Jennifer Sisco practices at St. John's Regional Medical Center -1600 N Rose Avenue, Oxnard, CA 93030. The listed phone number is (000) 000-0000.

What is Jennifer Sisco's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jennifer Sisco enrolled in Medicare?

Yes. Jennifer Sisco is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Jennifer Sisco was last updated on December 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.