Richard A. Marder, MD
Sports Medicine (Orthopaedic Surgery) Physician · Sacramento, CA
Richard A. Marder, MD is a sports medicine (orthopaedic surgery) physician with a practice address in Sacramento, California, and NPI 1477543742, issued on Oct 26, 2005. Check the license (California G46905, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard A. Marder
- Credential
- MD
- Primary taxonomy
- Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
- License number
- G46905 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3301 C St Ste 1600, Sacramento, CA 95816
- Phone
- (916) 734-5566
- Enumerated
- Oct 26, 2005
- Record last updated
- Sep 27, 2022
- Fax
- (916) 734-6806
- Medicaid ID
- 00G469050 CA
- Entity
- Type 1 · individual
8 nearest sports medicine (orthopaedic surgery) physician records → All 384 in California → Look up another NPI →
Also registered at 3301 C St Ste 1600
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph DuffOrthopaedic Foot and Ankle Surgery Physician1215515416
- Alexandra Ernst, MD, MPHOrthopaedic Foot and Ankle Surgery Physician1144845900
- David HaganOrthopaedic Foot and Ankle Surgery Physician1992238257
- Daniel Herman, MD, PHDSports Medicine (Physical Medicine & Rehabilitation) Physician1245499060
- Marissa Jong-Delgado, PT, DPTPhysical Medicine & Rehabilitation Physician1922578814
- Mariano Menendez Furrer, M.D.Sports Medicine (Orthopaedic Surgery) Physician1841646023
Verify Richard A. Marder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G46905Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average sports medicine (orthopaedic surgery) physician in 2024
37 Medicare Part D claims for 18 beneficiaries, against an average of 288 among the 2,562 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 14 claims were for opioids.
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.
Richard A. Marder among 384 sports medicine (orthopaedic surgery) physician records in California
Richard A. Marder, MD is one of 384 sports medicine (orthopaedic surgery) physician records with a practice address in California. 88% 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, 93% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2022 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0005X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sports Medicine (Orthopaedic Surgery) Physician providers in California
There are 384 sports medicine (orthopaedic surgery) physician records in California.
All 384 in California → Every provider in Sacramento → Sports Medicine (Orthopaedic Surgery) Physician nationwide →
The 8 sports medicine (orthopaedic surgery) physician records with the nearest ZIP codes
- Ryan FreshmanSacramento, CA 958161558752212
- Aleksey Lazarev, M.D.Sacramento, CA 958161669606240
- Michael Leathers, M.D.Sacramento, CA 958161548551872
- Cassandra Lee, MDSacramento, CA 958161760689525
- Patrick McGahan, MDSacramento, CA 958161518271675
- Mariano Menendez Furrer, M.D.Sacramento, CA 958161841646023
- Kent Sheridan, M.D.Sacramento, CA 958161023339298
- Greg Takenishi, M.D.Sacramento, CA 958161992999817
Common questions
What is Richard A. Marder, MD's NPI number?
Richard A. Marder, MD's National Provider Identifier (NPI) is 1477543742, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Richard A. Marder, MD located?
The NPPES record lists a practice address at 3301 C St Ste 1600, Sacramento, CA, 95816. Phone: (916) 734-5566. Providers update this record themselves, so call before visiting.
How can I verify Richard A. Marder, MD's license?
NPPES lists California license number G46905, 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 Richard A. Marder, MD prescribe under Medicare Part D?
In 2024, Richard A. Marder, MD had 37 Medicare Part D claims for 18 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 288. 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.