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DR. JUN-ICHI OHARA M.D., PH.D.
NPI 1578665667
Internal Medicine - Gastroenterology in Irvine, CA

Active since September 01, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 05D0946483 · Waiver
22 ODYSSEY, SUITE 170A, IRVINE, CA 92618(949) 654-8963 Get Directions Write a Review

NPPES record last updated: February 18, 2020. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Dr. Jun-ichi Ohara M.d., Ph.d. NPPES

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

DR. JUN-ICHI OHARA M.D., PH.D. (NPI 1578665667) is an individual gastroenterology provider in Irvine, California, licensed in California (AO53621A) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through May 8, 2028, and is a graduate of Other (1975).

NPPES Registry Identity

NPI1578665667
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JUN-ICHI OHARACredential: M.D., PH.D.
Location Address22 ODYSSEY, SUITE 170AIrvine, CA 92618-3195
Mailing Address22 Odyssey, Suite 170aIrvine, CA 92618-3195 · (949) 654-8963
Phone(949) 654-8963
Sole ProprietorNo
Medical School CMSOtherGraduated 1975
Enumeration DateSeptember 1, 2006
Last NPPES UpdateFebruary 18, 2020
✔ NPI 1578665667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · AO53621A
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.
Also ListedInternal MedicineTaxonomy 207R00000X · License AO53621A (CA)
22 ODYSSEY, Irvine, CA 92618
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

Dr. Jun-ichi Ohara M.d., Ph.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 ID9335183573
PECOS Enrollment IDI20050620000062
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0946483

Jun Ichi Ohara, MD Phd · Irvine, CA
Active · expires May 8, 2028
CLIA Number05D0946483
Laboratory TypePhysician Office
Certificate Effective DateMay 9, 2026
Certificate Expiration DateMay 8, 2028
Laboratory DirectorJun Ichi Ohara MD
Laboratory Phone(949) 654-8963
Laboratory LocationJun Ichi Ohara, MD Phd22 Odyssey Ste 170 A, Irvine, CA 92618
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
390 services110 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
139 services77 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.
125 services61 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
52 services48 patients
Influenza vaccine, inactivated 90653
The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.
47 services46 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.
32 services30 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92618 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.

MARY BETH L SINCHAI M.D.
Family Medicine
22 ODYSSEY, 270B
IRVINE, CA 92618
Orange County (949) 861-8828
MALEK K. MANSOUR, ANWAAR R. MANSOUR AND YAHYA M. MANSOUR D.D.S., INC.
Dentist (General Practice)
22 ODYSSEY, 265
IRVINE, CA 92618
Orange County (949) 585-1515
ADVANCE MOVEMENT PHYSICAL THERAPY
Clinic/Center (Physical Therapy)
22 ODYSSEY, SUITE 260
IRVINE, CA 92618
Orange County (949) 690-3298
DR. MATTHEW WANG O.D.
Optometrist (Corneal and Contact Management)
22 ODYSSEY, SUITE 150
IRVINE, CA 92618
Orange County (949) 733-3390
SWATI MULCHAND KENIA PT
Physical Therapist
22 ODYSSEY, STE 165
IRVINE, CA 92618
Orange County (949) 727-2192
ODYSSEY ASC ENDOSCOPY CENTER LLC
Clinic/Center (Endoscopy)
22 ODYSSEY, STE 175
IRVINE, CA 92618
Orange County (949) 654-8963
ZHIJUN WANG MD INC
Pediatrics
22 ODYSSEY, SUITE 105
IRVINE, CA 92618
Orange County (949) 733-0988
SUSAN VARGHESE MAMMEN
Physical Therapist
22 ODYSSEY, #165
IRVINE, CA 92618
Orange County (949) 727-2192

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 Jun-ichi Ohara's NPI number?

The NPI number for Jun-ichi Ohara is 1578665667. It was assigned to this individual provider in the NPPES registry on September 1, 2006.

Where is Jun-ichi Ohara located?

Jun-ichi Ohara practices at 22 Odyssey Suite 170A, Irvine, CA 92618. The listed phone number is (949) 654-8963.

What is Jun-ichi Ohara's specialty?

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

Is Jun-ichi Ohara enrolled in Medicare?

Yes. Jun-ichi Ohara 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.

Does Jun-ichi Ohara hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0946483) is associated with this NPI, valid through May 8, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Jun-ichi Ohara was last updated on February 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.