1. Home
  2. Directory
  3. Michigan
  4. Cassopolis
  5. Family Medicine
  6. NPI Profile

DR. MARK W LAY M.D.
NPI 1003803313
Family Medicine in Cassopolis, MI

Active since October 03, 2005
117 S BROADWAY ST, CASSOPOLIS, MI 49031(269) 445-0771 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark W Lay M.d. NPPES

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

DR. MARK W LAY M.D. (NPI 1003803313) is an individual family medicine provider in Cassopolis, Michigan, licensed in Michigan (4301073557) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1003803313
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARK W LAYCredential: M.D.
Location Address117 S BROADWAY STCassopolis, MI 49031-1242
Mailing Address117 S Broadway StCassopolis, MI 49031-1242 · (269) 445-0771
Phone(269) 445-0771
Sole ProprietorNo
Enumeration DateOctober 3, 2005
Last NPPES UpdateJuly 8, 2007
✔ NPI 1003803313 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in MI · 4301073557✔ Licensed in NY · 236771✔ Licensed in WI · 31145
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
117 S BROADWAY ST, Cassopolis, MI 49031
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINE29293MI
Other0803810311MI · Bcbs Ind Pin #
OtherLM073557MI · Bcbs Ind Billing #

Other Providers at the Same Location NPPES

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

BORGESS LEE MEMORIAL HOSPITAL
Clinic/Center (Rural Health)
117 S BROADWAY ST
CASSOPOLIS, MI 49031
Cass County (269) 445-0771

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 Lay's NPI number?

The NPI number for Mark Lay is 1003803313. It was assigned to this individual provider in the NPPES registry on October 3, 2005.

Where is Mark Lay located?

Mark Lay practices at 117 S Broadway St, Cassopolis, MI 49031. The listed phone number is (269) 445-0771.

What is Mark Lay's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Mark Lay was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.