Doctor profile · Federal record

Dr. Marcus Koss, M.D.

Family Medicine Physician (CMS: Family Practice) · Saint Clair Shores, MI

  • NPI 1750300679
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21603 E 11 Mile RD
Saint Clair Shores, MI 480811636
(586) 280-2100
fax (586) 210-8808

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 14, 2022
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Michigan #4301074604

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750300679. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
59
Distinct HCPCS
2
Medicare allowed
$3,206
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 34 16 $91
36415 Insertion of needle into vein for collection of blood sample 25 18 $4

In context: peer comparison

Among 18 peers in Saint Clair Shores Family Medicine Physician, average services per provider: 52. This provider delivers 1.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
197
Patients
20
Total drug cost
$3,949
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 41 20 $850
Amlodipine Besylate Generic 23 0 $415
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 20 0 $851
Lisinopril Generic 20 0 $243
Levothyroxine Sodium Generic 17 0 $282
Metformin Hcl Generic 14 0 $149
Rosuvastatin Calcium Generic 14 0 $212
Losartan Potassium Generic 13 0 $258
Citalopram Hbr (Citalopram Hydrobromide) Brand 12 0 $59
Duloxetine Hcl Generic 12 0 $472

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marcus Koss's medical specialty?
Dr. Marcus Koss practices Family Medicine Physician in Saint Clair Shores, MI.
Where does Dr. Marcus Koss practice?
Dr. Marcus Koss practices at 21603 E 11 Mile RD, Saint Clair Shores, MI 480811636. Office phone: 5862802100.
What is Dr. Marcus Koss's NPI?
Dr. Marcus Koss's National Provider Identifier (NPI) is 1750300679, issued by NPPES.
Does Dr. Marcus Koss accept Medicare assignment?
Yes. Dr. Marcus Koss accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marcus Koss commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.