Gregory E. Skipper, M.D.
Internal Medicine Physician · Topanga, CA
Gregory E. Skipper, M.D. is an internal medicine physician with a practice address in Topanga, California, and NPI 1720113418, issued on Feb 22, 2007. Check the license (California G88361, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory E. Skipper
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G88361 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1408 N Topanga Canyon Blvd, Topanga, CA 90290
- Phone
- (310) 633-4595
- Enumerated
- Feb 22, 2007
- Record last updated
- May 7, 2024
- Fax
- (310) 633-4595
- Medicaid ID
- 051515833 AL
- Entity
- Type 1 · individual
Verify Gregory E. Skipper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G88361Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
78 Medicare Part D claims, against an average of 3,176 among the 108,855 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.
3 internal medicine physician records list a practice address in Topanga
They are 3 of the 56 NPPES records with a practice address in Topanga, and 17,696 internal medicine physician records in California.
All 3 in Topanga → All 17,696 in California → Every provider in Topanga →
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- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Gregory E. Skipper, M.D.'s NPI number?
Gregory E. Skipper, M.D.'s National Provider Identifier (NPI) is 1720113418, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gregory E. Skipper, M.D. located?
The NPPES record lists a practice address at 1408 N Topanga Canyon Blvd, Topanga, CA, 90290. Phone: (310) 633-4595. Providers update this record themselves, so call before visiting.
How can I verify Gregory E. Skipper, M.D.'s license?
NPPES lists California license number G88361, 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 Gregory E. Skipper, M.D. prescribe under Medicare Part D?
In 2024, Gregory E. Skipper, M.D. had 78 Medicare Part D claims; 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.