DR. IAN J STEWART MD
NPI 1568585388
Internal Medicine - Nephrology in Bethesda, MD

Q: What is Ian Stewart's NPI number?

The NPI number for Ian Stewart is 1568585388. It was assigned to this individual provider in the NPPES registry on April 8, 2007.

Q: What is Ian Stewart's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ian Stewart was last updated on April 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 08, 2007PECOS Enrolled

8901 WISCONSIN AVE, BETHESDA, MD 20889(301) 295-4331 Get Directions Write a Review

NPPES record last updated: April 10, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 10, 2023, Dec 11, 2015 (2 updates tracked since 2015).

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About Dr. Ian J Stewart Md NPPES

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

DR. IAN J STEWART MD (NPI 1568585388) is an individual nephrology provider in Bethesda, Maryland, licensed in California (A103752) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1568585388

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. IAN J STEWARTCredential: MD

Location Address8901 WISCONSIN AVEBethesda, MD 20889-1809

Mailing Address8901 Wisconsin AveBethesda, MD 20889-5600 · (301) 295-4331

Phone(301) 295-4331

Sole ProprietorNo

Enumeration DateApril 8, 2007

Last NPPES UpdateApril 10, 20232 updates tracked since enumeration

NPPES CertifiedApril 10, 2023

✔ NPI 1568585388 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 · A103752

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.

8901 WISCONSIN AVE, Bethesda, MD 20889

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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 (PECOS)

Dr. Ian J Stewart Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 20889 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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. TAMMERA NELSON

Pharmacist

8901 WISCONSIN AVE
BETHESDA, MD 20889

Montgomery County (301) 295-4497

DAWOOD TAFTI M.D.

Radiology (Diagnostic Radiology)

8901 WISCONSIN AVE
BETHESDA, MD 20889

Montgomery County (301) 319-8373

DR. ASHLEY BEE BOZZAY

Student in an Organized Health Care Education/Training Program

8901 WISCONSIN AVE
BETHESDA, MD 20889

Montgomery County (301) 295-8588

DR. ADAM JOSEPH MAIER DO

Internal Medicine (Infectious Disease)

8901 WISCONSIN AVE
BETHESDA, MD 20889

Montgomery County (301) 295-4000

SIMAL RUHISHTA ALI DO

General Practice

8901 WISCONSIN AVE
BETHESDA, MD 20889

Montgomery County (301) 295-4900

DR. JACOB L FRIESEN M.D.

Psychiatry & Neurology (Psychiatry)

8901 WISCONSIN AVE, WRNMMC, NICOE, BUILDING 51
BETHESDA, MD 20889

Montgomery County (301) 319-3772

MS. CARLA PATRICE ALEXIS P.T.

Physical Therapist

8901 WISCONSIN AVE
BETHESDA, MD 20889

Montgomery County (301) 295-4880

DR. ANN TALBOT SCHWARTZ MD

Pediatrics

8901 WISCONSIN AVE
BETHESDA, MD 20889

Montgomery County (301) 295-4941

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 Ian Stewart's NPI number?

The NPI number for Ian Stewart is 1568585388. It was assigned to this individual provider in the NPPES registry on April 8, 2007.

Where is Ian Stewart located?

Ian Stewart practices at 8901 Wisconsin Ave, Bethesda, MD 20889. The listed phone number is (301) 295-4331.

What is Ian Stewart's specialty?

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

Is Ian Stewart enrolled in Medicare?

Yes. Ian Stewart is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ian Stewart was last updated on April 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.