MARK THOMAS EWING MD
NPI 1023166816
Internal Medicine - Gastroenterology in Woodland Hills, CA

Active since January 08, 2007PECOS EnrolledAccepts Medicare Assignment
5601 DE SOTO AVE, WOODLAND HILLS, CA 91367(818) 719-2000 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mark Thomas Ewing Md NPPES

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

MARK THOMAS EWING MD (NPI 1023166816) is an individual gastroenterology provider in Woodland Hills, California, licensed in California (A74992) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1023166816
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMARK THOMAS EWINGCredential: MD
Location Address5601 DE SOTO AVEWoodland Hills, CA 91367-6701
Mailing Address5601 De Soto AveWoodland Hills, CA 91367-6701 · (818) 719-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateJanuary 8, 2007
Last NPPES UpdateNovember 30, 2021
NPI 1023166816 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in CA · A74992
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

5601 DE SOTO AVE, Woodland Hills, CA 91367

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

Mark Thomas Ewing 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 ID5496780082
PECOS Enrollment IDI20051003000448
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91367 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 Therapist (Orthopedic)
5601 DE SOTO AVE, PHYSICAL THERAPY DEPARTMENT
WOODLAND HILLS, CA 91367
Technician, Other
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Anesthesiology
5601 DE SOTO AVE, DEPT OF ANESTHESIA
WOODLAND HILLS, CA 91367
Nurse Anesthetist, Certified Registered
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Advanced Practice Midwife
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Surgery (Surgical Oncology)
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Pediatrics (Pediatric Infectious Diseases)
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Physician Assistant
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367

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 Ewing's NPI number?

The NPI number for Mark Ewing is 1023166816. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Where is Mark Ewing located?

Mark Ewing practices at 5601 De Soto Ave, Woodland Hills, CA 91367. The listed phone number is (818) 719-2000.

What is Mark Ewing's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Mark Ewing enrolled in Medicare?

Yes. Mark Ewing 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 Mark Ewing was last updated on November 30, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.