Physician Profile
Unclaimed ProfileAbout MARCUS
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Areas of Expertise
Common questions
What kind of doctor is Dr. Marcus?
Dr. Marcus is an internist in Buffalo Grove, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Internal Medicine”.
NPI registry
What is Dr. Marcus's address?
Dr. Marcus is listed at 15 S MCHENRY RD, Buffalo Grove, IL 60089. 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. Marcus?
The number on file is (847) 618-0351. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Marcus?
Dr. Marcus's National Provider Identifier is 1548249113. 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
How much experience does Dr. Marcus have?
Dr. Marcus has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
What procedures does Dr. Marcus perform?
According to Medicare billing data, Dr. Marcus provides treatments such as influenza vaccine split virus, preservative free and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Marcus's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marcus. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (847) 618-0351
- Email not available
Practice Locations
15 S MCHENRY RD
Buffalo Grove, IL 60089
Procedures Most Often Billed to Medicare
989 services · 804 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
70 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
42 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
277 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
268 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
222 |
| Administration of influenza virus vaccine | Billing code | G0008 |
71 |
| Transitional care management services for problem of at least moderate complexity | Office visit | 99495 |
14 |
| Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report | Billing code | G0403 |
13 |
| Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | Billing code | G0402 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 13 related providers in 2 groups
Other internists in Buffalo Grove 5
Same specialty, same city.
Also performs Influenza vaccine split virus, preservative free 8
Providers in IL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.