DR. MARK LOUIS SIMPSON (PHD, CCC/SLP) – Speech-Language Pathologist, NPI 1316055379

DR. MARK LOUIS SIMPSON (PHD, CCC/SLP) is a healthcare provider. based in Troy, Michigan. specializing in Speech-Language Pathologist. They hold the professional credentials PHD, CCC/SLP. The NPI Number for DR. MARK LOUIS SIMPSON (PHD, CCC/SLP) is 1316055379

Main info

Male
44 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARK LOUIS SIMPSON (PHD, CCC/SLP)
NPI
1316055379
Phone
(248) 581-5974
Address
1560 E MAPLE RD
Enumeration Date
29 August 2006
Last Update Date
27 March 2018

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8005276266
Graduation Year
1982 (44 years ago)
PAC ID
2860676871
Group Practice PAC ID
8628087681
Professional Enrollment ID
I20110414000762
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience43
Completeness75
Years active:19State licenses:0Digital endpointsOther names

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Provider Addresses for DR. MARK LOUIS SIMPSON (PHD, CCC/SLP)

  • 1560, East Maple Road, Troy, Oakland County, Michigan, 48083, United States

    SUITE 400- CREDENTIALING DEPARTMENT

    TROY, MI 480831138

    Phone: (248) 581-5974

    Fax: (248) 581-5640

    Type: Mailing

  • Wertz Clinical Cancer Center, 4100, John R Street, Medical Center, Midtown, Detroit, Wayne County, Michigan, 48201, United States

    KARMANOS CANCER CENTER-WERTZ CLINIC

    DETROIT, MI 482012013

    Phone: (800) 527-6266

    Fax: (313) 576-8381

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 48083)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8628087681View full group profile
NameSpecialtyState
-MI
Nurse PractitionerMI
Cardiovascular Disease (Cardiology)MI
H O S P I T A L I S TMI
-MI
Internal Medicine, Pulmonary Disease, Critical Care (Intensivists)MI
Internal Medicine, Infectious DiseaseMI
O B S T E T R I C S/ G Y N E C O L O G YMI
Pulmonary Disease, Critical Care (Intensivists)MI
O P H T H A L M O L O G YPA

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Frequently asked questions

What unique ID ties claims to DR. MARK LOUIS SIMPSON (PHD, CCC/SLP)?
NPI 1316055379 is assigned to DR. MARK LOUIS SIMPSON (PHD, CCC/SLP) under the national enumeration system.
Is DR. MARK LOUIS SIMPSON (PHD, CCC/SLP)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What kind of provider is DR. MARK LOUIS SIMPSON (PHD, CCC/SLP)?
The page reflects Speech-Language Pathologist for DR. MARK LOUIS SIMPSON (PHD, CCC/SLP). Clinical services aligned with this taxonomy classification.
What location shows for DR. MARK LOUIS SIMPSON (PHD, CCC/SLP)?
We surface Troy, Michigan for DR. MARK LOUIS SIMPSON (PHD, CCC/SLP) based on available NPPES addresses.
Is DR. MARK LOUIS SIMPSON (PHD, CCC/SLP) a real provider?
This page reflects official NPPES data for NPI 1316055379. Always confirm identity and privileges with the practice and licensing boards.

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