Paul Stephen Aisen
Geriatric Medicine (Internal Medicine) Physician · San Diego, CA
Paul Stephen Aisen is a geriatric medicine (internal medicine) physician with a practice address in San Diego, California, and NPI 1669470753, issued on Jul 12, 2005. Check the license (California G88220, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Paul Stephen Aisen
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- G88220 CA
31377 DC
Self-reported in NPPES; status is on the state search - Practice location
- 200 West Arbor Dr MC 0949, San Diego, CA 92103
- Phone
- (858) 622-2028
- Enumerated
- Jul 12, 2005
- Record last updated
- Sep 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid IDs
- 373200200 MD
029728100 DC
5842174 VA - Entity
- Type 1 · individual
Verify Paul Stephen Aisen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G88220Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
24 Medicare Part D claims, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
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: $7,822.50
3 payments; by number, the most common kind was consulting fee; the largest payer was Abbvie Inc. The 1,004 providers of this specialty with any payment received $1,720.82 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.
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
Other geriatric medicine (internal medicine) physician records in California
- Adil Abbasi, M.D.La Jolla, CA1548261316
- Shashidar Acharya, M.D.Orange, CA1770685521
- Marie AdachiLos Angeles, CA1629496740
- Pouya Afshar, M.D.San Diego, CA1184958977
- Parag Agnihotri, M.D.San Diego, CA1447351085
- Andreas Ahlas, M.D.Bakersfield, CA1326200833
- Waseem Ahmed, MDSanta Rosa, CA1386803559
- Mahmuda Alam, M.D.Glendale, CA1568659985
- Cathy Alessi, M.D.North Hills, CA1134224983
- Rabe Alhurani, MDVictorville, CA1740778398
Common questions
What is Paul Stephen Aisen's NPI number?
Paul Stephen Aisen's National Provider Identifier (NPI) is 1669470753, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Paul Stephen Aisen located?
The NPPES record lists a practice address at 200 West Arbor Dr MC 0949, San Diego, CA, 92103. Phone: (858) 622-2028. Providers update this record themselves, so call before visiting.
How can I verify Paul Stephen Aisen's license?
NPPES lists California license number G88220, 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 Paul Stephen Aisen prescribe under Medicare Part D?
In 2024, Paul Stephen Aisen had 24 Medicare Part D claims; 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.