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DR. MARK ARTHUR STILLWELL
NPI 1588200596
Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in New Haven, IN

Active since November 25, 2019
821 LINCOLN HWY W, NEW HAVEN, IN 46774(260) 749-0215(260) 749-1166 Get Directions Write a Review

NPPES record last updated: June 12, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Mark Arthur Stillwell NPPES

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

DR. MARK ARTHUR STILLWELL (NPI 1588200596) is an individual pharmacist clinician (phc)/ clinical pharmacy specialist in New Haven, Indiana, licensed in Indiana (26019379A) and active in the NPI registry since November 2019.

NPPES Registry Identity

NPI1588200596
Entity TypeIndividualMale
Primary Taxonomy1835P0018X
Provider Legal NameDR. MARK ARTHUR STILLWELL
Location Address821 LINCOLN HWY WNew Haven, IN 46774-2139
Mailing Address821 Lincoln Hwy WNew Haven, IN 46774-2139 · (260) 749-0215 · Fax (260) 749-6180
Phone(260) 749-0215
Fax(260) 749-1166
Sole ProprietorNo
Enumeration DateNovember 25, 2019
Last NPPES UpdateJune 12, 2026
NPPES CertifiedJune 12, 2026
✔ NPI 1588200596 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacist · Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
Taxonomy Code1835P0018X
License✔ Licensed in IN · 26019379A
Definition
Pharmacist Clinician/Clinical Pharmacy Specialist is a pharmacist with additional training and an expanded scope of practice that may include prescriptive authority, therapeutic management, and disease management.
821 LINCOLN HWY W, New Haven, IN 46774
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Other Providers at the Same Location NPPES 4

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

KROGER LIMITED PARTNERSHIP I
Pharmacy (Community/Retail Pharmacy)
821 LINCOLN HWY W
NEW HAVEN, IN 46774
Allen County (260) 749-0215
ANDREA PANYARD PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
821 LINCOLN HWY W
NEW HAVEN, IN 46774
Allen County (260) 749-0215
DR. KARISSA CAREY
Pharmacist
821 LINCOLN HWY W
NEW HAVEN, IN 46774
Allen County (260) 749-0215
LINDZIE ANN-LOUISE GIBSON RPH
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
821 LINCOLN HWY W
NEW HAVEN, IN 46774
Allen County (260) 749-0215

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 Mark Stillwell's NPI number?

The NPI number for Mark Stillwell is 1588200596. It was assigned to this individual provider in the NPPES registry on November 25, 2019.

Where is Mark Stillwell located?

Mark Stillwell practices at 821 Lincoln Hwy W, New Haven, IN 46774. The listed phone number is (260) 749-0215.

What is Mark Stillwell's specialty?

The primary specialty registered for this NPI is Pharmacist, specializing in Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist, with taxonomy code 1835P0018X.

When was this NPI record last updated?

The NPPES record for Mark Stillwell was last updated on June 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.