JESSICA SIAK M.D.
NPI 1174059570
Hospitalist in West Hollywood, CA

Active since May 04, 2017PECOS EnrolledAccepts Medicare Assignment
8700 BEVERLY BLVD # B220, WEST HOLLYWOOD, CA 90048(310) 423-5252(310) 423-8441 Get Directions Write a Review

NPPES record last updated: June 16, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Jessica Siak M.d. NPPES

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

JESSICA SIAK M.D. (NPI 1174059570) is an individual hospitalist provider in West Hollywood, California, licensed in California (A161511) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Marina Del Rey, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1174059570
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameJESSICA SIAKCredential: M.D.
Location Address8700 BEVERLY BLVD # B220West Hollywood, CA 90048-1804
Mailing Address4140 W 190th StTorrance, CA 90504-5513
Fax(310) 423-8441
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMay 4, 2017
Last NPPES UpdateJune 16, 2022
NPPES CertifiedJune 16, 2022
NPI 1174059570 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in CA · A161511
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License A161511 (CA)
8700 BEVERLY BLVD # B220, West Hollywood, CA 90048

Secondary Practice Location 1

Location 14650 Lincoln BlvdMarina Del Rey, CA 90292-6306 · Phone (310) 823-8911

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

Jessica Siak M.d. 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 ID2961829163
PECOS Enrollment IDI20200902002556
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.

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.
505 services163 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
192 services183 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.
112 services107 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
100 services34 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physical Medicine & Rehabilitation (Hospice and Palliative Medicine)
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048
Internal Medicine (Hospice and Palliative Medicine)
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048
Hospitalist
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048
Hospitalist
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048
Hospitalist
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048
Internal Medicine
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048
Internal Medicine
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048
Hospitalist
8700 BEVERLY BLVD # B220
WEST HOLLYWOOD, CA 90048

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 Jessica Siak's NPI number?

The NPI number for Jessica Siak is 1174059570. It was assigned to this individual provider in the NPPES registry on May 4, 2017.

Where is Jessica Siak located?

Jessica Siak practices at 8700 Beverly Blvd # B220, West Hollywood, CA 90048. The listed phone number is (310) 423-5252.

What is Jessica Siak's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Jessica Siak enrolled in Medicare?

Yes. Jessica Siak 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 Jessica Siak was last updated on June 16, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.