Doctor profile · Federal record

Dr. Marian Karl, PHD, Lp

Psychologist (CMS: Clinical Psychologist) · Ann Arbor, MI

  • NPI 1679583819
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2345 S Huron Pkwy
Ann Arbor, MI 481045124
(734) 975-1875
fax (734) 973-2647

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
103T00000X — NUCC code
State license (1)
Michigan #6301007426

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679583819. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
212
Distinct HCPCS
1
Medicare allowed
$30,935
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 212 14 $146

In context: peer comparison

Among 2 peers in Ann Arbor Psychologist, average services per provider: 114. This provider delivers 1.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Marian Karl's medical specialty?
Dr. Marian Karl practices Psychologist in Ann Arbor, MI.
Where does Dr. Marian Karl practice?
Dr. Marian Karl practices at 2345 S Huron Pkwy, Ann Arbor, MI 481045124. Office phone: 7349751875.
What is Dr. Marian Karl's NPI?
Dr. Marian Karl's National Provider Identifier (NPI) is 1679583819, issued by NPPES.
Does Dr. Marian Karl accept Medicare assignment?
Yes. Dr. Marian Karl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marian Karl commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.