HARRY BERJ MATOSSIAN M.D.
NPI 1316945702
Internal Medicine - Gastroenterology in Ukiah, CA

Q: What is Harry Matossian's NPI number?

The NPI number for Harry Matossian is 1316945702. It was assigned to this individual provider in the NPPES registry on July 11, 2005.

Q: What is Harry Matossian's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Harry Matossian was last updated on October 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since July 11, 2005PECOS EnrolledAccepts Medicare Assignment

234 HOSPITAL DR, UKIAH, CA 95482(707) 462-0681(707) 462-4647 Get Directions Write a Review

NPPES record last updated: October 23, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Harry Berj Matossian M.d. NPPES

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

HARRY BERJ MATOSSIAN M.D. (NPI 1316945702) is an individual gastroenterology provider in Ukiah, California, licensed in California (G62323) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with St Luke's Wood River Medical Center, and maintains a secondary practice location in Ketchum.

NPPES Registry Identity

NPI1316945702

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameHARRY BERJ MATOSSIANCredential: M.D.

Location Address234 HOSPITAL DRUkiah, CA 95482-4560

Mailing Address234 Hospital DrUkiah, CA 95482-4560 · (707) 462-0681 · Fax (707) 462-4647

Phone(707) 462-0681

Fax(707) 462-4647

Sole ProprietorYes

Medical School CMSOtherGraduated 1983

Enumeration DateJuly 11, 2005

Last NPPES UpdateOctober 23, 2008

✔ NPI 1316945702 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 · G62323

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.

234 HOSPITAL DR, Ukiah, CA 95482

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Secondary Practice Location 1

Location 1100 Hospital Dr, Suite 201Ketchum, ID 83340 · Phone (208) 727-8888 · Fax (208) 727-8889

Other Identifiers 4

Medicare PINZZZ25257ZCA

Medicare UPINA53686CA

OtherZZZ56549ZCA · Blue Shield Of California

Medicaid00G623230CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and more.Insurance ›

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

Harry Berj Matossian 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 ID3375430564

PECOS Enrollment IDI20240906002475

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

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

Enloe Medical Center

85 mi

Gastroenterology

111 RALEY BLVD, SUITE 100
Chico, CA 95928

Reassigned Medicare billing, California enrollment
42 clinicians in this Medicare group

NPI 1801226162 (530) 894-8800

Sonora Community Hospital

172 mi

Rural Health

193 FAIRVIEW LN
Sonora, CA 95370

Reassigned Medicare billing, California enrollment
Also billed through NPI 1780673376 (California)
127 clinicians in this Medicare group

NPI 1003014952 (209) 536-5100

St Lukes Clinic - Wood River LLC

554 mi

Internal Medicine

100 HOSPITAL DRIVE
Ketchum, ID 83340

Reassigned Medicare billing, Idaho enrollment
74 clinicians in this Medicare group

NPI 1972891604 (208) 727-8100

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.

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.

67 services67 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

37 services37 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.

36 services36 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

18 services18 patients

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.

17 services17 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

17 services17 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Luke's Wood River Medical Center

Critical Access Hospitals · Ketchum, ID

OwnershipVoluntary non-profit - Private

CMS Certification Number131323

Location100 Hospital DriveKetchum, ID 83340 · Blaine County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95482 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

$133.94 typical visit price

range $58.87 – $176.60

Typical copayment $33.48 (range $14.71 – $44.15)

Most-billed visit code 99204

Established Patient

$103.36 typical visit price

range $19.28 – $144.60

Typical copayment $25.84 (range $4.82 – $36.15)

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 8

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

HARRY B. MATOSSIAN

Clinic/Center (Ambulatory Surgical)