Physician Profile
Unclaimed ProfileAbout MARCUS
Gary B. Marcus, M.D. practises cardiovascular disease (cardiology) in San Pablo, CA. Gary is a 1962 graduate of University of Cincinnati College of Medicine. Gary is also listed as specialising in cardiovascular disease.
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
Common questions
What does Dr. Marcus specialise in?
Dr. Marcus is a cardiovascular disease (cardiology) in San Pablo, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
Where is Dr. Marcus located?
Dr. Marcus is listed at 2101 VALE RD SUITE 201, San Pablo, CA 94806. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Marcus's phone number?
The number on file is (510) 233-9300. 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 1073526646. 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. Marcus go to medical school?
Dr. Marcus attended University of Cincinnati College of Medicine, graduating in 1962. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Marcus been practising?
Dr. Marcus has 64 years experience. Calculated from a graduation year of 1962, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Marcus do most often?
According to Medicare billing data, Dr. Marcus the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (510) 233-9300
- Email not available
Practice Locations
2101 VALE RD SUITE 201
San Pablo, CA 94806
Procedures Most Often Billed to Medicare
282 services · 114 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
208 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
74 |
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 cardiovascular diseases at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 8 related providers in 1 group
Trained at University of Cincinnati College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.