Physician Profile
Nicholas N. Nissen, M.D.
Unclaimed ProfileAbout Dr. Nissen
Nicholas N. Nissen, M.D. practices surgical critical care in Los Angeles, CA. Nicholas is a 1987 graduate of University of Minnesota Medical School. Nicholas is also listed as specializing in transplant surgery and surgery. Medicare claims data shows Nicholas provided 1,466 services to 854 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (310) 423-6746
- Email not available
Practice Locations
127 S SAN VICENTE BLVD FL 7
Los Angeles, CA 90048
8700 BEVERLY BLVD.
Los Angeles, CA 90048
8900 Beverly Blvd Fl 3
West Hollywood, CA 90048
Procedures Most Often Billed to Medicare
1,466 services · 854 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Other procedure on pancreas | Procedure | 48999 |
36 | Too few peers to compare |
| Removal of gallbladder using an endoscope | Procedure | 47562 |
14 | As often as other peers in Surgical Critical Care |
| Other procedure on liver using an endoscope | Procedure | 47379 |
14 | Too few peers to compare |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
296 | More than most peers in Surgical Critical Care |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
261 | More than most peers in Surgical Critical Care |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
222 | More than most peers in Surgical Critical Care |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
179 | More than most peers in Surgical Critical Care |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
155 | More than most peers in Surgical Critical Care |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
60 | Too few peers to compare |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
59 | More than most peers in Surgical Critical Care |
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.
Other surgical critical cares in Los Angeles 8
Same specialty, same city.
Trained at University of Minnesota Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 14 related providers in 2 groups
Class of 1987 at University of Minnesota Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Other procedure on pancreas 6
Providers in CA who bill this service to Medicare most often.
Common questions
What does Nicholas N. Nissen specialize in?
Nicholas N. Nissen is a surgical critical care in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Nicholas N. Nissen located?
Nicholas N. Nissen is listed at 127 S San Vicente Blvd Fl 7, Los Angeles, CA 90048. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Nicholas N. Nissen's phone number?
The number on file is (310) 423-6746. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Nicholas N. Nissen?
Nicholas N. Nissen's National Provider Identifier is 1174507099. 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 Nicholas N. Nissen train?
Nicholas N. Nissen attended University of Minnesota Medical School, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Nicholas N. Nissen have?
Nicholas N. Nissen has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What does Nicholas N. Nissen do most often?
According to Medicare billing data, Nicholas N. Nissen performs procedures including other procedure on pancreas, removal of gallbladder using an endoscope and other procedure on liver using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Nicholas N. Nissen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Nicholas N. Nissen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.