Nicholas N. Nissen, M.D.
Surgical Critical Care Physician · Los Angeles, CA
Nicholas N. Nissen, M.D. is a surgical critical care physician with a practice address in Los Angeles, California, and NPI 1174507099, issued on Dec 5, 2005. Check the license (California G85301, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nicholas N. Nissen
- Credential
- M.D.
- Primary taxonomy
- Surgical Critical Care Physician 2086S0102X
- License number
- G85301 CA
Self-reported in NPPES; status is on the state search - Practice location
- 127 S San Vicente Blvd FL 7, Los Angeles, CA 90048
- Phone
- (310) 423-6746
- Enumerated
- Dec 5, 2005
- Record last updated
- Aug 15, 2025
- Fax
- (310) 423-7596
- Medicare enrollment
- Enrolled (PECOS I20091217000344); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 127 S San Vicente Blvd FL 7
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jin Sun Bitar, M.D.Medical Oncology Physician1477940161
- Karissa Britten, MDHematology & Oncology Physician1518461862
- Victoria Cerda, MD, MPHObstetrics & Gynecology Physician1265929715
- Jason Chan, M.D. PH.D.Hematology & Oncology Physician1154735660
- Fahima Dossa, MDSurgical Oncology Physician1427832617
Verify Nicholas N. Nissen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G85301Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.6 times the Medicare Part D claims of the average surgical critical care physician in 2024
424 Medicare Part D claims for 101 beneficiaries, against an average of 64 among the 606 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Creon146 claims
- Pantoprazole Sodium40 claims
- Prednisone12 claims
- Zenpep12 claims
- Pifeltro11 claims
- Tivicay11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,835.40
14 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 1,092 providers of this specialty with any payment received $2,183.62 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Cedars-Sinai Medical CenterWest Hollywood, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Surgical Critical Care Physician providers in California
There are 160 surgical critical care physician records in California.
Other surgical critical care physician records in California
- Jose Acosta, MDSan Diego, CA1861418618
- Rodrigo Alban, M.D.Los Angeles, CA1023192663
- Paul Albini, M.D.Moreno Valley, CA1053643536
- Abnet Alemu, MDAntioch, CA1316123383
- Stas AmatoSan Francisco, CA1013448695
- Kyrillos Awad, DOSanta Maria, CA1932563210
- Michaela Bamdad, MDLos Angeles, CA1417306523
- James Bardes, M.D.Los Angeles, CA1255621397
- Jordan Basham, M.D.Colton, CA1871940981
- Cherisse Berry, M.D.West Hollywood, CA1184874083
Common questions
What is Nicholas N. Nissen, M.D.'s NPI number?
Nicholas N. Nissen, M.D.'s National Provider Identifier (NPI) is 1174507099, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas N. Nissen, M.D. located?
The NPPES record lists a practice address at 127 S San Vicente Blvd FL 7, Los Angeles, CA, 90048. Phone: (310) 423-6746. Providers update this record themselves, so call before visiting.
How can I verify Nicholas N. Nissen, M.D.'s license?
NPPES lists California license number G85301, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicholas N. Nissen, M.D. prescribe under Medicare Part D?
In 2024, Nicholas N. Nissen, M.D. had 424 Medicare Part D claims for 101 beneficiaries; the average among surgical critical care physician prescribers was 64. Part D covers Medicare prescriptions only.
What is Nicholas N. Nissen, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.