Alan Jeffrey Steinberg, MD
Internal Medicine Physician · Marina Del Rey, CA
Alan Jeffrey Steinberg, MD is an internal medicine physician with a practice address in Marina Del Rey, California, and NPI 1144247628, issued on Jul 17, 2006. Check the license (California G55097, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alan Jeffrey Steinberg
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G55097 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4644 Lincoln Blvd, Marina Del Rey, CA 90292
- Phone
- (310) 306-6966
- Enumerated
- Jul 17, 2006
- Record last updated
- Mar 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (310) 306-0667
- Medicaid ID
- GR0026910 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4644 Lincoln Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alan Jeffrey Steinberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G55097Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average internal medicine physician in 2024
3,874 Medicare Part D claims for 391 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 90 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium310 claims
- Atorvastatin Calcium224 claims
- Amlodipine Besylate179 claims
- Levothyroxine Sodium153 claims
- Losartan Potassium116 claims
- Tamsulosin Hcl79 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.
Alan Jeffrey Steinberg among 17,696 internal medicine physician records in California
Alan Jeffrey Steinberg, 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 fileNo · 63% of these records are
- Record last updated2021 · 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).
19 internal medicine physician records list a practice address in Marina Del Rey
They are 19 of the 711 NPPES records with a practice address in Marina Del Rey, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Marina Del Rey → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Arti Chawla, M.D.Marina Del Rey, CA 902921548258064
- Angelica Duenas, M.D.Marina Del Rey, CA 902921619982311
- Kambiz Farbakhsh, MDMarina Del Rey, CA 902921861446015
- David Kaplowitz, MDMarina Del Rey, CA 902921073874863
- Steven Krems, MDMarina Del Rey, CA 902921972605020
- Jeffrey Kurland, MDMarina Del Rey, CA 902921013175330
- William Lang, M.D.Marina Del Rey, CA 902921366455842
- Carlo Medina, M.D.Marina Del Rey, CA 902921093786444
Common questions
What is Alan Jeffrey Steinberg, MD's NPI number?
Alan Jeffrey Steinberg, MD's National Provider Identifier (NPI) is 1144247628, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan Jeffrey Steinberg, MD located?
The NPPES record lists a practice address at 4644 Lincoln Blvd, Marina Del Rey, CA, 90292. Phone: (310) 306-6966. Providers update this record themselves, so call before visiting.
How can I verify Alan Jeffrey Steinberg, MD's license?
NPPES lists California license number G55097, 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 Alan Jeffrey Steinberg, MD prescribe under Medicare Part D?
In 2024, Alan Jeffrey Steinberg, MD had 3,874 Medicare Part D claims for 391 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.