Mark Elliot Sockell, MD
Geriatric Medicine (Internal Medicine) Physician · Point Reyers, CA
Mark Elliot Sockell, MD is a geriatric medicine (internal medicine) physician with a practice address in Point Reyers, California, and NPI 1194810952, issued on Oct 4, 2006. Check the license (California G53283, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Elliot Sockell
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- G53283 CA
Self-reported in NPPES; status is on the state search - Practice location
- West Marin Medical Center, Point Reyers, CA 94956
- Phone
- (415) 663-1082
- Enumerated
- Oct 4, 2006
- Record last updated
- Sep 8, 2022
- Fax
- (415) 663-9474
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Verify Mark Elliot Sockell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G53283Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
7,261 Medicare Part D claims for 174 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. 63 claims were for opioids.
Most prescribed
- Atorvastatin Calcium339 claims
- Eliquis324 claims
- Amlodipine Besylate244 claims
- Trazodone Hcl214 claims
- Gabapentin192 claims
- Lisinopril190 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.
Mark Elliot Sockell among 532 geriatric medicine (internal medicine) physician records in California
Mark Elliot Sockell, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 46% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2022 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Theresa Berta, MDGreenbrae, CA 949041316087612
- Mark Kubik, MDGreenbrae, CA 949041174746325
- Maryam Ziaie Matin, MDGreenbrae, CA 949041124133111
- Jessica Neil, MDSan Rafael, CA 949031831518570
- Bindu Chopra, M.D.Cupertino, CA 950141972587426
- Alice Lively Hamill, DOCupertino, CA 950141336228469
- Linda Lu, M.D.Los Gatos, CA 950321659546596
- Myo Aung, MDSanta Clara, CA 950511588741441
Common questions
What is Mark Elliot Sockell, MD's NPI number?
Mark Elliot Sockell, MD's National Provider Identifier (NPI) is 1194810952, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Elliot Sockell, MD located?
The NPPES record lists a practice address at West Marin Medical Center, Point Reyers, CA, 94956. Phone: (415) 663-1082. Providers update this record themselves, so call before visiting.
How can I verify Mark Elliot Sockell, MD's license?
NPPES lists California license number G53283, 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 Mark Elliot Sockell, MD prescribe under Medicare Part D?
In 2024, Mark Elliot Sockell, MD had 7,261 Medicare Part D claims for 174 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.