Susan Marie Marron, MD
Hospitalist Physician · Irvine, CA
Susan Marie Marron, MD is a hospitalist physician with a practice address in Irvine, California, and NPI 1922006618, issued on Jul 7, 2005. Check the license (California A79698, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Susan Marie Marron
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- A79698 CA
15638 NV
Self-reported in NPPES; status is on the state search - Practice location
- 11 Technology Dr, Irvine, CA 92618
- Phone
- (949) 923-3200
- Enumerated
- Jul 7, 2005
- Record last updated
- Jan 1, 2026
- Medicaid ID
- 1922006618 NV
- Medicare enrollment
- Enrolled (PECOS I20150227001390); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 11 Technology Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Teresa Agner, MDInternal Medicine Physician1013087410
- Ali Ahoui, MDHospitalist Physician1093964769
- Nidal Al Hannat, M.D.Internal Medicine Physician1235335563
- Richard AppelInternal Medicine Physician1336225044
- Juan Cabrera, M.D.Internal Medicine Physician1447254792
- Houman Danesh, M.D.Internal Medicine Physician1205027802
Verify Susan Marie Marron in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A79698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average hospitalist physician in 2024
518 Medicare Part D claims for 174 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Gabapentin31 claims
- Amoxicillin-Clavulanate Potass29 claims
- Eliquis26 claims
- Atorvastatin Calcium20 claims
- Amlodipine Besylate19 claims
- Metoprolol Tartrate17 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.
Bills Medicare through one group practice
- Community Care Services LLCReno, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Susan Marie Marron among 3,099 hospitalist physician records in California
Susan Marie Marron, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1996 · median 2010 among the 2,505 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in California
There are 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in Irvine → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Ali Ahoui, MDIrvine, CA 926181093964769
- Robert Cho, M.D.Irvine, CA 926181760578512
- Scott Derkum, MDIrvine, CA 926181588660849
- John Dieckhoff, M.D.Irvine, CA 926181700068152
- Veejay Geria, M.D.Irvine, CA 926181821193467
- Derrick Hong, M.DIrvine, CA 926181124040696
- Nam Kim, MDIrvine, CA 926181861572513
- Ewa Kontny, M.D.Irvine, CA 926181598916587
Common questions
What is Susan Marie Marron, MD's NPI number?
Susan Marie Marron, MD's National Provider Identifier (NPI) is 1922006618, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Susan Marie Marron, MD located?
The NPPES record lists a practice address at 11 Technology Dr, Irvine, CA, 92618. Phone: (949) 923-3200. Providers update this record themselves, so call before visiting.
How can I verify Susan Marie Marron, MD's license?
NPPES lists California license number A79698, 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 Susan Marie Marron, MD prescribe under Medicare Part D?
In 2024, Susan Marie Marron, MD had 518 Medicare Part D claims for 174 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
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.