RAZI M ARIFUDDIN MD
NPI 1124085410
Internal Medicine - Gastroenterology in Santa Rosa, CA

Q: What is Razi Arifuddin's NPI number?

The NPI number for Razi Arifuddin is 1124085410. It was assigned to this individual provider in the NPPES registry on April 28, 2006.

Q: What is Razi Arifuddin'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 Razi Arifuddin was last updated on October 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 April 28, 2006PECOS EnrolledAccepts Medicare Assignment

500 DOYLE PARK DR, SUITE G04, SANTA ROSA, CA 95405(707) 303-8360(707) 303-8361 Get Directions Write a Review

NPPES record last updated: October 14, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 14, 2021, Nov 30, 2020, Apr 26, 2017 (3 updates tracked since 2017).

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About Razi M Arifuddin Md NPPES

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

RAZI M ARIFUDDIN MD (NPI 1124085410) is an individual gastroenterology provider in Santa Rosa, California, licensed in California (C56200) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1124085410

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameRAZI M ARIFUDDINCredential: MD

Location Address500 DOYLE PARK DR, SUITE G04Santa Rosa, CA 95405-4558

Mailing Address500 Doyle Park Dr, Suite G04Santa Rosa, CA 95405-4558 · (707) 303-8360 · Fax (707) 303-8361

Phone(707) 303-8360

Fax(707) 303-8361

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateApril 28, 2006

Last NPPES UpdateOctober 14, 20213 updates tracked since enumeration

NPPES CertifiedOctober 14, 2021

✔ NPI 1124085410 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in CA · C56200✔ Licensed in NY · 231776

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.

500 DOYLE PARK DR, Santa Rosa, CA 95405

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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

Razi M Arifuddin 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 ID1951313402

PECOS Enrollment IDI20140226000445

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 Razi Arifuddin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Adventist Health Physicians Network

Same address

Multi-Specialty

500 DOYLE PARK DR, SUITE 106A
Santa Rosa, CA 95405

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

NPI 1255738803 (707) 967-5721

Ukiah Adventist Hospital

56 mi

General Acute Care Hospital

275 HOSPITAL DR
Ukiah, CA 95482

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

NPI 1235120676 (707) 463-7360

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 18

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.

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.

213 services212 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.

145 services141 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

55 services50 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.

54 services54 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

34 services34 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

32 services32 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.

26 services26 patients

Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43259

This procedure involves a flexible tube with a camera, called an endoscope, inserted through your mouth to examine your esophagus, stomach, and upper small bowel. An ultrasound device on the endoscope helps get detailed images. It's safe and helps diagnose various conditions.

24 services24 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.

24 services24 patients

Removal of large bowel tissue using a flexible endoscope 45390

This procedure, known as a colonoscopy, involves using a flexible endoscope to examine and potentially remove tissue from the large intestine. The endoscope allows the doctor to view the bowel lining directly and remove any abnormal tissue for further analysis.

22 services22 patients

Injection beneath lining of large bowel using a flexible endoscope 45381

This procedure involves a flexible tube, called an endoscope, being inserted into the large bowel. A small needle is then passed through the tube to inject medication under the bowel lining. This is typically done to treat inflammation or bleeding.

18 services18 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.

18 services18 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

16 services15 patients

Control of bleeding of upper large bowel using a flexible endoscope 45382

This procedure involves using a flexible endoscope, a thin tube with a light and camera, to view and control bleeding in the upper large bowel. Special tools can be passed through the endoscope to stop the bleeding. It's a minimally invasive way to address this issue.

15 services15 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

15 services15 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

13 services13 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

11 services11 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.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95405 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

$142.00 typical visit price

range $63.04 – $187.01

Typical copayment $35.50 (range $15.76 – $46.75)

Most-billed visit code 99204

Established Patient

$109.88 typical visit price

range $21.02 – $153.40

Typical copayment $27.47 (range $5.25 – $38.35)

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.

LEO ARTHUR SMITH MD

Family Medicine

500 DOYLE PARK DR, SUITE G-04
SANTA ROSA, CA 95405

Sonoma County (707) 303-8360

CYNTHIA R. INGELS MSN,N.P.

Nurse Practitioner (Family)

500 DOYLE PARK DR, SUITE 103
SANTA ROSA, CA 95405

Sonoma County (707) 579-1102

DR. JAMES CHARLES DEVORE MD

Family Medicine

500 DOYLE PARK DR, SUITE G04
SANTA ROSA, CA 95405

Sonoma County (707) 303-8360

DR. TOMAS VASILIAUSKAS M.D.

Internal Medicine (Cardiovascular Disease)

500 DOYLE PARK DR, SUITE G05
SANTA ROSA, CA 95405

Sonoma County (707) 576-7100

ERAN MATALON M.D.

Internal Medicine

500 DOYLE PARK DR, SUITE 304
SANTA ROSA, CA 95405

Sonoma County (707) 545-1700

RAMZI KHALIL DEEIK M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

500 DOYLE PARK DR, SUITE G-05
SANTA ROSA, CA 95405

Sonoma County (707) 255-8825

DR. JOEL E PAINE MD

Internal Medicine

500 DOYLE PARK DR, SUITE 300
SANTA ROSA, CA 95405

Sonoma County (707) 303-8344

ANNADEL MEDICAL GROUP, INC

Pediatrics

500 DOYLE PARK DR, SUITE 100
SANTA ROSA, CA 95405

Sonoma County (707) 544-6090

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 Razi Arifuddin's NPI number?

The NPI number for Razi Arifuddin is 1124085410. It was assigned to this individual provider in the NPPES registry on April 28, 2006.

Where is Razi Arifuddin located?

Razi Arifuddin practices at 500 Doyle Park Dr Suite G04, Santa Rosa, CA 95405. The listed phone number is (707) 303-8360.

What is Razi Arifuddin's specialty?

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

Is Razi Arifuddin enrolled in Medicare?

Yes. Razi Arifuddin 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.

Which organizations bill Medicare for Razi Arifuddin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Razi Arifuddin reassigns Medicare benefits to 2 organizations: Adventist Health Physicians Network (Santa Rosa, CA) and Ukiah Adventist Hospital (Ukiah, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Razi Arifuddin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Razi Arifuddin was last updated on October 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.