Physician Profile
Unclaimed ProfileAbout MARCUS
Jeffrey David Marcus, MD practices critical care (intensivists) in San Jose, CA. Jeffrey is a 2003 graduate of University of Miami, Lm Miller School of Medicine. Jeffrey is also listed as specializing in internal medicine, pulmonary disease, and neurology / psychiatry. According to Medicare claims data, Jeffrey cared for 345 Medicare patients across 628 services.
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
- (408) 879-5963
- Email not available
Practice Locations
2425 SAMARITAN DR
San Jose, CA 95124
Procedures Most Often Billed to Medicare
628 services · 345 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergent insertion of breathing tube into windpipe using an endoscope | Procedure | 31500 |
15 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
324 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
240 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
32 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
17 |
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.
Other critical cares at this location 1
Same specialty, same street address — most likely the same department or group.
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.
Other critical cares in San Jose 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Miami, Lm Miller School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at University of Miami, Lm Miller School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Emergent insertion of breathing tube into windpipe using an endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Marcus's specialty?
Dr. Marcus is a critical care (intensivists) in San Jose, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CRITICAL CARE (INTENSIVISTS)”.
NPI registry
Where can I find Dr. Marcus?
Dr. Marcus is listed at 2425 SAMARITAN DR, San Jose, CA 95124. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Marcus?
The number on file is (408) 879-5963. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Marcus's NPI number?
Dr. Marcus's National Provider Identifier is 1184815656. 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
What is Dr. Marcus's medical education?
Dr. Marcus attended University of Miami, Lm Miller School of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Marcus been practicing?
Dr. Marcus has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Marcus known for?
According to Medicare billing data, Dr. Marcus performs procedures including emergent insertion of breathing tube into windpipe using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Marcus confirmed this information?
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.
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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.