DR. IAN ROBERT ROSS MD
NPI 1659710580
Internal Medicine in Saint Louis, MO

Q: What is Ian Ross's NPI number?

The NPI number for Ian Ross is 1659710580. It was assigned to this individual provider in the NPPES registry on June 25, 2013.

Q: What is Ian Ross's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Ian Ross was last updated on September 30, 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 June 25, 2013PECOS Enrolled

915 N GRAND BLVD, SAINT LOUIS, MO 63106(314) 652-4100 Get Directions Write a Review

NPPES record last updated: September 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 30, 2021, Jul 3, 2018, Jun 22, 2016 (3 updates tracked since 2016).

On this page

About Dr. Ian Robert Ross Md NPPES

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

DR. IAN ROBERT ROSS MD (NPI 1659710580) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Pennsylvania (MD464154) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659710580

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. IAN ROBERT ROSSCredential: MD

Location Address915 N GRAND BLVDSaint Louis, MO 63106-1621

Mailing Address1218 Kraft StSaint Louis, MO 63139-3710 · (423) 863-9004

Phone(314) 652-4100

Sole ProprietorNo

Enumeration DateJune 25, 2013

Last NPPES UpdateSeptember 30, 20213 updates tracked since enumeration

NPPES CertifiedSeptember 30, 2021

✔ NPI 1659710580 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in PA · MD464154

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedGeneral PracticeTaxonomy 208D00000X · License 2015012494 (MO)

Also ListedHospitalistTaxonomy 208M00000X · License 2015012494 (MO)

915 N GRAND BLVD, Saint Louis, MO 63106

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Other Identifiers 1

MedicaidENROLLEDIL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ian Robert Ross 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.

Medicare Billing Reassignments

Medicare enrollment records show Ian Ross reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Washington University

1.8 mi

Multi-Specialty

660 S EUCLID AVE
Saint Louis, MO 63110

Reassigned Medicare billing, Missouri enrollment
1,133 clinicians in this Medicare group

NPI 1992746903 (314) 747-5192

County Of St Louis Division Of Fiscal Management

9.2 mi

Public Health, State or Local

6121 N HANLEY RD
Saint Louis, MO 63134

Reassigned Medicare billing, Missouri enrollment
46 clinicians in this Medicare group

NPI 1780639088 (314) 615-0600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63106 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

$128.28 typical visit price

range $55.65 – $169.38

Typical copayment $32.07 (range $13.91 – $42.34)

Most-billed visit code 99204

Established Patient

$98.37 typical visit price

range $17.76 – $137.92

Typical copayment $24.59 (range $4.44 – $34.48)

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. MATTHEW CHRISTOPHER SIMPSON O.D.

Optometrist

915 N GRAND BLVD
SAINT LOUIS, MO 63106

St. Louis City (314) 652-4100

MS. CHARMIN MEYATTA GIBSON M.S.W.

Social Worker

915 N GRAND BLVD
SAINT LOUIS, MO 63106

St. Louis City (314) 652-4110

CONOR MCCARTNEY M.D.

Internal Medicine

915 N GRAND BLVD
SAINT LOUIS, MO 63106

St. Louis City (314) 652-4100

STEPHANIE ADAMS

Registered Nurse

915 N GRAND BLVD
SAINT LOUIS, MO 63106

St. Louis City (314) 289-7676

NAGLA ABDELMALEK M.D.

Emergency Medicine

915 N GRAND BLVD
SAINT LOUIS, MO 63106

St. Louis City (314) 652-4100

DR. JAMES MICHAEL HASIK DDS

Dentist (General Practice)

915 N GRAND BLVD, DENTAL CLINIC
SAINT LOUIS, MO 63106

St. Louis City (314) 652-4100

MS. TRACY LANES CRNA

Nurse Anesthetist, Certified Registered

915 N GRAND BLVD
SAINT LOUIS, MO 63106

St. Louis City (314) 652-4100

MS. KRISTY LYNNE WILDT PA-C

Physician Assistant

915 N GRAND BLVD, JOHN COCHRAN VETERANS ADMINISTRATION MEDICAL CENTER
SAINT LOUIS, MO 63106

St. Louis City (314) 652-4100

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 Ross's NPI number?

The NPI number for Ian Ross is 1659710580. It was assigned to this individual provider in the NPPES registry on June 25, 2013.

Where is Ian Ross located?

Ian Ross practices at 915 N Grand Blvd, Saint Louis, MO 63106. The listed phone number is (314) 652-4100.

What is Ian Ross's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ian Ross enrolled in Medicare?

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

Which organizations bill Medicare for Ian Ross's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ian Ross reassigns Medicare benefits to 2 organizations: Washington University (Saint Louis, MO) and County Of St Louis Division Of Fiscal Management (Saint Louis, MO). 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 Ian Ross'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 Ian Ross was last updated on September 30, 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.