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DR. HENRY KOJI NIHO M.D.
NPI 1609040450
Internal Medicine - Gastroenterology in Irvine, CA

Active since April 14, 2008PECOS EnrolledAccepts Medicare Assignment
6650 ALTON PKWY, ALTON SAND CANYON MOB2, IRVINE, CA 92618(949) 932-2604 Get Directions Write a Review

NPPES record last updated: December 3, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Henry Koji Niho M.d. NPPES

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

DR. HENRY KOJI NIHO M.D. (NPI 1609040450) is an individual gastroenterology provider in Irvine, California, licensed in California (A78576) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (2000).

NPPES Registry Identity

NPI1609040450
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. HENRY KOJI NIHOCredential: M.D.
Location Address6650 ALTON PKWY, ALTON SAND CANYON MOB2Irvine, CA 92618-3734
Mailing Address6650 Alton Pkwy, Alton Sand Canyon Mob2Irvine, CA 92618-3734 · (949) 932-2604
Phone(949) 932-2604
Sole ProprietorYes
Medical School CMSTufts University School Of MedicineGraduated 2000
Enumeration DateApril 14, 2008
Last NPPES UpdateDecember 3, 2021
NPPES CertifiedDecember 3, 2021
✔ NPI 1609040450 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 · A78576
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.
6650 ALTON PKWY, Irvine, CA 92618
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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. Henry Koji Niho 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 ID1850448978
PECOS Enrollment IDI20090407000345
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 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.

DR. TIFFANY WONG DOTE MD
Obstetrics & Gynecology
6650 ALTON PKWY, WOMEN'S HEALTH SERVICES ATTN: MARIA VASQUEZ
IRVINE, CA 92618
Orange County (714) 644-2381
NOAH RODRIGUEZ MD
Obstetrics & Gynecology
6650 ALTON PKWY, MEDICAL OFFICE BUILDING 2, 3RD FLOOR
IRVINE, CA 92618
Orange County (949) 932-5685
DR. CECILIA ANNE PEREZ M.D.
Obstetrics & Gynecology
6650 ALTON PKWY, MOB2 3RD FLOOR
IRVINE, CA 92618
Orange County (949) 932-5000
DR. CHRISTOPHER WASHINGTON M.D.
Surgery
6650 ALTON PKWY, ALTON/SAND CANYON MOB 2
IRVINE, CA 92618
Orange County (714) 387-3430
MRS. ANGELA HOU LIANG NP
Nurse Practitioner (Women's Health)
6650 ALTON PKWY
IRVINE, CA 92618
Orange County (949) 932-5000
DR. SHIREENA DESAI M.D.
Internal Medicine (Gastroenterology)
6650 ALTON PKWY, GASTROENTEROLOGY, MOB 2
IRVINE, CA 92618
Orange County (949) 932-5000
TIFFANY LINN CHAVES
Dietitian, Registered
6650 ALTON PKWY
IRVINE, CA 92618
Orange County (949) 636-5011
DR. TRAVIS JAMES COHOON MD
Internal Medicine (Cardiovascular Disease)
6650 ALTON PKWY
IRVINE, CA 92618
Orange County (888) 988-2800

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 Henry Niho's NPI number?

The NPI number for Henry Niho is 1609040450. It was assigned to this individual provider in the NPPES registry on April 14, 2008.

Where is Henry Niho located?

Henry Niho practices at 6650 Alton Pkwy Alton Sand Canyon Mob2, Irvine, CA 92618. The listed phone number is (949) 932-2604.

What is Henry Niho's specialty?

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

Is Henry Niho enrolled in Medicare?

Yes. Henry Niho 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 Henry Niho was last updated on December 3, 2021. 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.