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MOSEN ISTWANI MD
NPI 1043229453
Internal Medicine - Nephrology in Riverside, CA

Active since August 05, 2006PECOS EnrolledAccepts Medicare Assignment
3595 VAN BUREN BLVD, SUITE 203, RIVERSIDE, CA 92503(951) 343-1978(951) 343-1922 Get Directions Write a Review

NPPES record last updated: March 21, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mosen Istwani Md NPPES

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

MOSEN ISTWANI MD (NPI 1043229453) is an individual nephrology provider in Riverside, California, licensed in California (A64871) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1043229453
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameMOSEN ISTWANICredential: MD
Location Address3595 VAN BUREN BLVD, SUITE 203Riverside, CA 92503-0311
Mailing Address3595 Van Buren Blvd, Suite 203Riverside, CA 92503-0311 · (951) 343-1978 · Fax (951) 343-1922
Phone(951) 343-1978
Fax(951) 343-1922
Sole ProprietorNo
Medical School CMSOtherGraduated 1990
Enumeration DateAugust 5, 2006
Last NPPES UpdateMarch 21, 2013
✔ NPI 1043229453 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in CA · A64871
Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

3595 VAN BUREN BLVD, Riverside, CA 92503
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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

Mosen Istwani 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 ID8527119163
PECOS Enrollment IDI20090622000653
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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
1,042 services121 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.
118 services92 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
69 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92503 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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 2

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

MK DIALYSIS CENTER AT RIVERSIDE, INC.
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
3595 VAN BUREN BLVD, SUITE 101
RIVERSIDE, CA 92503
Riverside County (909) 542-2900
DR. MOHAMMED Q KHAN M.D.
Specialist
3595 VAN BUREN BLVD, SUITE #203
RIVERSIDE, CA 92503
Riverside County (951) 343-1978

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 Mosen Istwani's NPI number?

The NPI number for Mosen Istwani is 1043229453. It was assigned to this individual provider in the NPPES registry on August 5, 2006.

Where is Mosen Istwani located?

Mosen Istwani practices at 3595 Van Buren Blvd Suite 203, Riverside, CA 92503. The listed phone number is (951) 343-1978.

What is Mosen Istwani's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Mosen Istwani enrolled in Medicare?

Yes. Mosen Istwani 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 Mosen Istwani was last updated on March 21, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.