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MARK OVSIOWITZ MD
NPI 1881712370
Internal Medicine - Gastroenterology in Los Angeles, CA

Active since March 26, 2007PECOS EnrolledAccepts Medicare Assignment
86.1/100
CMS Quality Rating
200 MED PLZ, SUITE 365, LOS ANGELES, CA 90095(310) 825-9711 Get Directions Write a Review

NPPES record last updated: February 15, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark Ovsiowitz Md NPPES

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

MARK OVSIOWITZ MD (NPI 1881712370) is an individual gastroenterology provider in Los Angeles, California, licensed in California (A94620) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1881712370
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameMARK OVSIOWITZCredential: MD
Location Address200 MED PLZ, SUITE 365Los Angeles, CA 90095-0001
Mailing Address5767 W Century Blvd, Suite 200Los Angeles, CA 90045-5632 · (310) 825-9711
Phone(310) 825-9711
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateMarch 26, 2007
Last NPPES UpdateFebruary 15, 2013
✔ NPI 1881712370 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 · A94620
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.
200 MED PLZ, Los Angeles, CA 90095
Open in Google Maps ↗

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 Ovsiowitz 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 ID7810095049
PECOS Enrollment IDI20070611000733
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 11

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
197 services197 patients
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.
195 services145 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
107 services107 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.
93 services52 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.
71 services69 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
68 services68 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90095 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.

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.

86.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.93
Promoting Interoperability100
Improvement Activities40
Cost66.73

Referred Medical Equipment & Supplies CMS DME claims 2

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

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
1 supplier12 claims360 services$4.25 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
1 supplier12 claims9,168 services$0.25 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 10

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

HEIDI BUTZ NP
Internal Medicine (Endocrinology, Diabetes & Metabolism)
200 MED PLZ, SUITE 530
LOS ANGELES, CA 90095
Los Angeles County (310) 825-7922
STEPHEN SAMUEL WEIGT MD
Internal Medicine (Pulmonary Disease)
200 MED PLZ, SUITE 365
LOS ANGELES, CA 90095
Los Angeles County (310) 825-8061
ERIN ASHLEY WANN RN
Registered Nurse
200 MED PLZ, SUITE 265
LOS ANGELES, CA 90095
Los Angeles County (310) 206-3165
JULIA K BAIL RNP
Nurse Practitioner (Gerontology)
200 MED PLZ, SUITE 420
LOS ANGELES, CA 90095
Los Angeles County (310) 206-6232
CHERI LOWRE MD
Obstetrics & Gynecology
200 MED PLZ, SUITE 430
LOS ANGELES, CA 90095
Los Angeles County (310) 794-8282
UCLA PEDIATRICS
Allergy & Immunology (Clinical & Laboratory Immunology)
200 MED PLZ, STE 140-17
LOS ANGELES, CA 90095
Los Angeles County (310) 206-3952
MICHAEL CHUNCHI LU MD
Obstetrics & Gynecology
200 MED PLZ, SUITE 430
LOS ANGELES, CA 90095
Los Angeles County (310) 794-8282
ANDREW BREITHAUPT M.D.
Dermatology (MOHS-Micrographic Surgery)
200 MED PLZ, SUITE 450
LOS ANGELES, CA 90095
Los Angeles County (310) 825-6911

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 Ovsiowitz's NPI number?

The NPI number for Mark Ovsiowitz is 1881712370. It was assigned to this individual provider in the NPPES registry on March 26, 2007.

Where is Mark Ovsiowitz located?

Mark Ovsiowitz practices at 200 Med Plz Suite 365, Los Angeles, CA 90095. The listed phone number is (310) 825-9711.

What is Mark Ovsiowitz's specialty?

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

Is Mark Ovsiowitz enrolled in Medicare?

Yes. Mark Ovsiowitz 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 Ovsiowitz was last updated on February 15, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.