Richard Greenspun, MD
Internal Medicine Physician · Santa Monica, CA
Richard Greenspun, MD is an internal medicine physician with a practice address in Santa Monica, California, and NPI 1417984600, issued on Jun 26, 2006. Check the license (California G25213, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard Greenspun
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G25213 CA
Self-reported in NPPES; status is on the state search - Practice location
- 901 Wilshire Blvd FL 3, Santa Monica, CA 90401
- Phone
- (310) 829-8903
- Enumerated
- Jun 26, 2006
- Record last updated
- Nov 21, 2022
- Fax
- (424) 212-5933
- Medicare enrollment
- Enrolled (PECOS I20071018000409); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1972
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 901 Wilshire Blvd FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anita Gorwara, M.D.Family Medicine Physician1447334123
- Theodore Hak, MDFamily Medicine Physician1457396269
- Eileen McGrath, MDFamily Medicine Physician1558398339
- Mark Needham, MDFamily Medicine Physician1578590659
- Shahira Ramji, M.D.Family Medicine Physician1184675761
- Richard Ross, M.D.Family Medicine Physician1144274911
Verify Richard Greenspun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G25213Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average internal medicine physician in 2024
3,325 Medicare Part D claims for 311 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 58 claims were for opioids.
Most prescribed
- Atorvastatin Calcium242 claims
- Rosuvastatin Calcium175 claims
- Losartan Potassium159 claims
- Amlodipine Besylate139 claims
- Levothyroxine Sodium131 claims
- Tamsulosin Hcl119 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.
Industry payments in 2024: $96.59
4 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Providence Saint Johns Medical FoundationSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard Greenspun among 17,696 internal medicine physician records in California
Richard Greenspun, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1972 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
168 internal medicine physician records list a practice address in Santa Monica
They are 168 of the 5,151 NPPES records with a practice address in Santa Monica, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Monica → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Steven Becker, M.D.Santa Monica, CA 904011235290834
- Alison GarbSanta Monica, CA 904011467562140
- Vincent Hsu, MDSanta Monica, CA 904011750955134
- George Labrot, MDSanta Monica, CA 904011447295357
- Richard Eidinger, MDSanta Monica, CA 904021962752063
- George Goldberg, M.D.Santa Monica, CA 904021235475013
- John Andrews, M.D.Santa Monica, CA 904031447262126
- Mark Biscow, MDSanta Monica, CA 904031871510354
Common questions
What is Richard Greenspun, MD's NPI number?
Richard Greenspun, MD's National Provider Identifier (NPI) is 1417984600, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard Greenspun, MD located?
The NPPES record lists a practice address at 901 Wilshire Blvd FL 3, Santa Monica, CA, 90401. Phone: (310) 829-8903. Providers update this record themselves, so call before visiting.
How can I verify Richard Greenspun, MD's license?
NPPES lists California license number G25213, 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 Greenspun, MD prescribe under Medicare Part D?
In 2024, Richard Greenspun, MD had 3,325 Medicare Part D claims for 311 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.