Physician Profile
Unclaimed ProfileAbout MARCUS
Daniel R Marcus, M.D. practises general surgery in Marina Del Rey, CA. Daniel is also listed as specialising in specialist.
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 kind of doctor is Dr. Marcus?
Dr. Marcus is a general surgeon in Marina Del Rey, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
What is Dr. Marcus's address?
Dr. Marcus is listed at 4640 ADMIRALTY WAY STE 1020, Marina Del Rey, CA 90292. 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 (310) 305-1813. 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 1417061714. 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 train?
Dr. Marcus attended Other, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Marcus been practising?
Dr. Marcus has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Marcus perform?
According to Medicare billing data, Dr. Marcus performs procedures including repair of groin hernia using an endoscope and removal of gallbladder 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.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (310) 305-1813
- Email not available
Practice Locations
4640 ADMIRALTY WAY STE 1020
Marina Del Rey, CA 90292
Procedures Most Often Billed to Medicare
450 services · 314 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Repair of groin hernia using an endoscope | Procedure | 49650 |
30 |
| Removal of gallbladder using an endoscope | Procedure | 47562 |
29 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
101 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
89 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
79 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
54 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
36 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
32 |
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 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1986 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Repair of groin hernia using an endoscope 8
Providers in CA 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.