DR. MARK LOUIS SIMPSON PHD, CCC/SLP
NPI 1316055379
Speech-Language Pathologist in Detroit, MI

Active since August 29, 2006
4100 JOHN R ST, KARMANOS CANCER CENTER-WERTZ CLINIC, DETROIT, MI 48201(800) 527-6266(313) 576-8381 Get Directions Write a Review

NPPES record last updated: March 27, 2018. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Mar 27, 2018, Mar 21, 2016 (2 updates tracked since 2016).

About Dr. Mark Louis Simpson Phd, Ccc/slp NPPES

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

DR. MARK LOUIS SIMPSON PHD, CCC/SLP (NPI 1316055379) is an individual speech-language pathologist provider in Detroit, Michigan and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1316055379
Entity TypeIndividualMale
Primary Taxonomy235Z00000X
Provider Legal NameDR. MARK LOUIS SIMPSONCredential: PHD, CCC/SLP
Location Address4100 JOHN R ST, KARMANOS CANCER CENTER-WERTZ CLINICDetroit, MI 48201-2013
Mailing Address1560 E Maple Rd, Suite 400- Credentialing DepartmentTroy, MI 48083-1138 · (248) 581-5974 · Fax (248) 581-5640
Fax(313) 576-8381
Sole ProprietorNo
Enumeration DateAugust 29, 2006
Last NPPES UpdateMarch 27, 20182 updates tracked since enumeration
NPI 1316055379 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
4100 JOHN R ST, Detroit, MI 48201

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.

Pharmacy (Community/Retail Pharmacy)
4100 JOHN R ST, SUITE HP00RX
DETROIT, MI 48201
General Acute Care Hospital
4100 JOHN R ST
DETROIT, MI 48201
Internal Medicine (Medical Oncology)
4100 JOHN R ST
DETROIT, MI 48201
Nurse Practitioner
4100 JOHN R ST
DETROIT, MI 48201
Speech-Language Pathologist
4100 JOHN R ST
DETROIT, MI 48201
Nurse Practitioner (Acute Care)
4100 JOHN R ST
DETROIT, MI 48201
Pharmacist
4100 JOHN R ST
DETROIT, MI 48201
Pharmacist (Oncology)
4100 JOHN R ST
DETROIT, MI 48201

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 Simpson's NPI number?

The NPI number for Mark Simpson is 1316055379. It was assigned to this individual provider in the NPPES registry on August 29, 2006.

Where is Mark Simpson located?

Mark Simpson practices at 4100 John R St Karmanos Cancer Center-Wertz Clinic, Detroit, MI 48201. The listed phone number is (800) 527-6266.

What is Mark Simpson's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

When was this NPI record last updated?

The NPPES record for Mark Simpson was last updated on March 27, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.