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DR. IAN K HORNSTRA MD
NPI 1124044359
Dermatology in Saint Louis, MO

Active since July 14, 2006PECOS Enrolled
915 N GRAND BLVD, SAINT LOUIS, MO 63106(314) 652-4100(314) 238-6569 Get Directions Write a Review

NPPES record last updated: May 7, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 7, 2024, Jul 24, 2023, Nov 15, 2021 and 3 more (6 updates tracked since 2015).

About Dr. Ian K Hornstra Md NPPES

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

DR. IAN K HORNSTRA MD (NPI 1124044359) is an individual dermatology provider in Saint Louis, Missouri, licensed in Missouri (R2H85) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1124044359
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameDR. IAN K HORNSTRACredential: MD
Location Address915 N GRAND BLVDSaint Louis, MO 63106
Mailing Address9858 Warson Pointe DrSaint Louis, MO 63119-1056 · (314) 239-2039
Phone(314) 652-4100
Fax(314) 238-6569
Sole ProprietorNo
Enumeration DateJuly 14, 2006
Last NPPES UpdateMay 7, 20246 updates tracked since enumeration
NPPES CertifiedMay 7, 2024
✔ NPI 1124044359 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in MO · R2H85
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
915 N GRAND BLVD, Saint Louis, MO 63106
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Other Identifiers 1

Medicaid208235903MO

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 K Hornstra 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 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
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
ALITA BILLOPS CNP
Nurse Practitioner (Primary Care)
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

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 Hornstra's NPI number?

The NPI number for Ian Hornstra is 1124044359. It was assigned to this individual provider in the NPPES registry on July 14, 2006.

Where is Ian Hornstra located?

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

What is Ian Hornstra's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Ian Hornstra enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Ian Hornstra was last updated on May 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.