Physician Profile
Unclaimed ProfileAbout KOSS
Marcus E Koss, M.D. practices family practice in Saint Clair Shores, MI. Marcus is a 1999 graduate of Wayne State University School of Medicine. Marcus is also listed as specializing in family medicine. Medicare claims data shows Marcus provided 127 services to 70 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (586) 280-2100
- Email not available
Practice Locations
21603 E 11 MILE RD
Saint Clair Shores, MI 48081
Procedures Most Often Billed to Medicare
127 services · 70 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
34 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
57 |
| Urinalysis, manual test | Lab test | 81002 |
21 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Saint Clair Shores 8
Same specialty, same city.
Trained at Wayne State University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1999 at Wayne State University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in MI who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Koss?
Dr. Koss is a family practice in Saint Clair Shores, MI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
What is Dr. Koss's address?
Dr. Koss is listed at 21603 E 11 MILE RD, Saint Clair Shores, MI 48081. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Koss?
The number on file is (586) 280-2100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Koss?
Dr. Koss's National Provider Identifier is 1750300679. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Koss train?
Dr. Koss attended Wayne State University School of Medicine, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Koss have?
Dr. Koss has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Koss perform?
According to Medicare billing data, Dr. Koss performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Koss's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Koss. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.