MARK N GOBRIAL M.D.
NPI 1437577343
Internal Medicine in Mission Hills, CA

Active since March 29, 2014PECOS EnrolledAccepts Medicare Assignment
11333 SEPULVEDA BLVD, MISSION HILLS, CA 91345(818) 365-9531 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, Nov 21, 2016 (2 updates tracked since 2016).

About Mark N Gobrial M.d. NPPES

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

MARK N GOBRIAL M.D. (NPI 1437577343) is an individual internal medicine provider in Mission Hills, California, licensed in California (A148741) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1437577343
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARK N GOBRIALCredential: M.D.
Location Address11333 SEPULVEDA BLVDMission Hills, CA 91345-1116
Mailing AddressPo Box 9602Mission Hills, CA 91346-9602 · (818) 837-5559 · Fax (818) 792-4793
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateMarch 29, 2014
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1437577343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A148741
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.
11333 SEPULVEDA BLVD, Mission Hills, CA 91345

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark N Gobrial 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 ID5395017875
PECOS Enrollment IDI20170817002825
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Mark Gobrial reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
14857 ROSCOE BLVD
Panorama City, CA 91402
  • Reassigned Medicare billing, California enrollment
  • 6 clinicians in this Medicare group
Internal Medicine
26357 MCBEAN PKWY
Valencia, CA 91355
  • Reassigned Medicare billing, California enrollment
  • 684 clinicians in this Medicare group
Family Medicine
11750 WETHERBY LN
Los Angeles, CA 90077
  • Reassigned Medicare billing, California enrollment
  • 22 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

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 nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
3,629 services877 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
1,488 services382 patients
Nursing facility discharge management, more than 30 minutes 99316
Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.
645 services555 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
590 services520 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
523 services482 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
316 services54 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91345 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.

Referred Medical Equipment & Supplies CMS DME claims 21

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tracheostomy tube collar/holder, each A7526
DME-Orthotic Devices · category DF000N
1 supplier13 claims130 services$3.27 avg. paid by Medicare
Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035
Other-Enteral and Parenteral · category OB006N
4 suppliers29 claims808 services$4.42 avg. paid by Medicare
Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152
Other-Enteral and Parenteral · category OB006N
2 suppliers16 claims7,695 services$0.27 avg. paid by Medicare
Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4154
Other-Enteral and Parenteral · category OB006N
4 suppliers14 claims5,821 services$0.57 avg. paid by Medicare
Enteral nutrition infusion pump, any type B9002
Other-Enteral and Parenteral · category OB005N
1 supplier22 claims22 services$53.62 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
5 suppliers36 claims36 services$47.25 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Internal Medicine
11333 SEPULVEDA BLVD
MISSION HILLS, CA 91345
Hospitalist
11333 SEPULVEDA BLVD
MISSION HILLS, CA 91345
Pediatrics
11333 SEPULVEDA BLVD
MISSION HILLS, CA 91345
Physical Therapist
11333 SEPULVEDA BLVD
MISSION HILLS, CA 91345
Anesthesiology
11333 SEPULVEDA BLVD
MISSION HILLS, CA 91345
Internal Medicine (Endocrinology, Diabetes & Metabolism)
11333 SEPULVEDA BLVD
MISSION HILLS, CA 91345
Physician Assistant
11333 SEPULVEDA BLVD
MISSION HILLS, CA 91345
Internal Medicine
11333 SEPULVEDA BLVD
MISSION HILLS, CA 91345

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 Mark Gobrial's NPI number?

The NPI number for Mark Gobrial is 1437577343. It was assigned to this individual provider in the NPPES registry on March 29, 2014.

Where is Mark Gobrial located?

Mark Gobrial practices at 11333 Sepulveda Blvd, Mission Hills, CA 91345. The listed phone number is (818) 365-9531.

What is Mark Gobrial's specialty?

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

Is Mark Gobrial enrolled in Medicare?

Yes. Mark Gobrial 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.

Which organizations bill Medicare for Mark Gobrial's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Gobrial reassigns Medicare benefits to 3 organizations: Mark Enterprises MD Inc (Panorama City, CA), Providence Facey Medical Foundation (Valencia, CA) and Gap Post-Acute Care Services (Los Angeles, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Gobrial's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Gobrial was last updated on July 21, 2022. 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.