Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MAHBOOBEH SAIFIABOLHASSAN
NPI 1558930875
Internal Medicine in Tarzana, CA

Active since June 21, 2021PECOS Enrolled
18133 VENTURA BLVD STE 405, TARZANA, CA 91356(310) 423-2823 Get Directions Write a Review

NPPES record last updated: September 15, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 15, 2026, Jan 8, 2025, Jun 21, 2021 (3 updates tracked since 2021).

About Mahboobeh Saifiabolhassan NPPES

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

MAHBOOBEH SAIFIABOLHASSAN (NPI 1558930875) is an individual internal medicine provider in Tarzana, California, licensed in California (A210089) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, is affiliated with Bronson Methodist Hospital, and maintains a secondary practice location in Marshall.

NPPES Registry Identity

NPI1558930875
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMAHBOOBEH SAIFIABOLHASSAN
Location Address18133 VENTURA BLVD STE 405Tarzana, CA 91356-3726
Mailing Address4140 W 190th St Fl 2Torrance, CA 90504-5513
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 21, 2021
Last NPPES UpdateSeptember 15, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2026
✔ NPI 1558930875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CA · A210089✔ Licensed in PA · MT224234
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.
18133 VENTURA BLVD STE 405, Tarzana, CA 91356

Secondary Practice Location 1

Location 1720 US Highway 27 NMarshall, MI 49068-9609 · Phone (269) 781-6600

Accepted Insurance

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

Mahboobeh Saifiabolhassan 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 ID9931501186
PECOS Enrollment IDI20240920002117
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 2

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
70 services50 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
15 services14 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Bronson Methodist Hospital

Acute Care Hospitals · Kalamazoo, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230017
Location601 John StreetKalamazoo, MI 49007 · Kalamazoo County
Emergency services Birthing friendly

Bronson Battle Creek Hospital

Acute Care Hospitals · Battle Creek, MI
4/5 CMS rating
OwnershipProprietary
CMS Certification Number230075
Location300 North AvenueBattle Creek, MI 49017 · Calhoun County
Emergency services Birthing friendly

Oaklawn Hospital

Acute Care Hospitals · Marshall, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230217
Location200 N MadisonMarshall, MI 49068 · Calhoun County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91356 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

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

Internal Medicine
18133 VENTURA BLVD STE 405
TARZANA, CA 91356

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 Mahboobeh Saifiabolhassan's NPI number?

The NPI number for Mahboobeh Saifiabolhassan is 1558930875. It was assigned to this individual provider in the NPPES registry on June 21, 2021.

Where is Mahboobeh Saifiabolhassan located?

Mahboobeh Saifiabolhassan practices at 18133 Ventura Blvd Ste 405, Tarzana, CA 91356. The listed phone number is (310) 423-2823.

What is Mahboobeh Saifiabolhassan's specialty?

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

Is Mahboobeh Saifiabolhassan enrolled in Medicare?

Yes. Mahboobeh Saifiabolhassan 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.

What insurance does Mahboobeh Saifiabolhassan accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and Priority Health list Mahboobeh Saifiabolhassan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mahboobeh Saifiabolhassan affiliated with any hospitals?

According to CMS data, Mahboobeh Saifiabolhassan is affiliated with Bronson Methodist Hospital, Bronson Battle Creek Hospital and Oaklawn Hospital.

When was this NPI record last updated?

The NPPES record for Mahboobeh Saifiabolhassan was last updated on September 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.