Dr. Gregory E. Skipper, MD

  • Topanga, CA
  • Internist
NPI1720113418
Part D claims, 2024
78
Publications
23
State licenses
3
Year NPI issued
2007
Practice address
1408 N Topanga Canyon Blvd, Topanga, CA 90290-4274
Practice phone
Call (310) 633-4595
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Find Dr. Skipper's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Gregory E. Skipper is an internist in Topanga, California

Dr. Skipper practices in Topanga, California.

Dr. Skipper's NPI, 1720113418, was assigned on February 22, 2007. Dr. Skipper graduated from Heersink School of Medicine - Birmingham in 1974. Dr. Skipper holds California license G88361.

NPI and contact details
NPI enumeration date
February 22, 2007
NPI status
Active
Practice phone
(310) 633-4595
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Medical school graduation
1974

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. Gregory E. Skipper's practice address is in Topanga, California

Dr. Skipper's practice address in the NPI Registry is 1408 N Topanga Canyon Blvd, Topanga, CA 90290-4274. The practice phone is (310) 633-4595.

  • NPI Registry address
    1408 N Topanga Canyon Blvd, Topanga, CA 90290-4274Phone(310) 633-4595

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Gregory E. Skipper's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Skipper practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. Skipper's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Skipper practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Gregory E. Skipper is one of 16,751 internists in California

Internal medicine is Dr. Skipper's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Skipper is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Skipper's licenses on file in 3 states: California, Oregon and Alabama.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense G88361 · 1976 to 2026 · taxonomy 207R00000X
  • Oregon license1979 to 2019
  • Alabama license1999 to 2016

Internists near Dr. Skipper

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

16,751internists in California
3internists in Topanga

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Gregory E. Skipper's patients have a median age of 49

Across all payers, Dmand AI patient panel data puts Dr. Skipper's median patient age at 49, with 0% women.

Dr. Skipper's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 49

Patient panel by sex, all payers

  • Women0%
  • Men100%

Source: Dmand AI Patient Panel Data

Dr. Gregory E. Skipper wrote 78 Medicare Part D claims in 2024

In 2024, Dr. Skipper wrote 78 Medicare Part D claims. 99% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $6,913 in total drug cost.

Part D claims, 202478
Drugs named by CMS1
Total drug cost$6,913

Dr. Skipper's Part D claims by kind of drug, 2024

  • Generic77 claims99%
  • Brand-name and other1 claims1%

Dr. Skipper's most prescribed drugs by claims, 2019

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Skipper

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

For MedTech and pharma teams

Find internists like Dr. Skipper by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Gregory E. Skipper has 23 publications on record

Dmand AI links 23 papers to Dr. Skipper, published from 2004 to 2022. 2013 was the busiest year, with 3. The most frequent topics are Substance-Related Disorders, Physicians and Glucuronates. Dr. Skipper has published most often in Alcohol Clin Exp Res. Dr. Skipper's most frequent co-authors are Robert L. Dupont, MD, Bankole A. Johnson, MD and John Spencer Rose, MD.

Papers23
Years published2004 to 2022

Dr. Skipper's papers by year, 2004 to 2022

Topics Dr. Skipper writes about most

  • Substance-Related Disorders
  • Physicians
  • Glucuronates
  • Physician Impairment
  • Alcohol Drinking
  • Alcoholism
  • Substance Abuse Detection
  • Alabama

Dr. Skipper's most frequent co-authors

Recent publications by Dr. Skipper

See all 23 publications and co-authors

See who Dr. Skipper researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Skipper works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Gregory E. Skipper has 1 award and honors on record

Dmand AI lists 1 award for Dr. Skipper, most recently Distinguished Alumnus of the Year in 2009.

Awards and honors for Dr. Skipper

  1. 2009
    • Distinguished Alumnus of the Year

Dr. Skipper's committees and leadership roles

Accreditation Task ForceMember
2019 to 2022
Soberlink WorkgroupMember
2016
DEA task force on Restoration of DEA CertificationMember
2015 to 2016

Source: Dmand AI Professional Profile Data

Dr. Gregory E. Skipper graduated from Heersink School of Medicine - Birmingham

Dr. Skipper graduated from Heersink School of Medicine - Birmingham in 1974. Dr. Skipper is a member of ASAM.

  1. Medical schoolHeersink School of Medicine - Birmingham
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Gregory E. Skipper's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gregory E. Skipper

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Gregory E. Skipper's NPI number?

Dr. Gregory E. Skipper's NPI number is 1720113418. It was assigned on February 22, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregory E. Skipper?

Dr. Gregory E. Skipper is an internist in Topanga, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Gregory E. Skipper practice?

Dr. Skipper practices at 1408 N Topanga Canyon Blvd, Topanga, CA 90290-4274.

What is Dr. Gregory E. Skipper's office phone number?

The practice phone on file for Dr. Skipper is (310) 633-4595.

What is Dr. Gregory E. Skipper's medical license number?

Dr. Skipper holds California license G88361, one of the licenses on file in 3 states.

Which states has Dr. Gregory E. Skipper been licensed in?

Dmand AI has state licenses on file for Dr. Skipper in California (1976 to 2026), Oregon (1979 to 2019) and Alabama (1999 to 2016).

Is Dr. Gregory E. Skipper board certified?

Yes. Dr. Skipper is board certified in internal medicine by the American Board of Internal Medicine.

Where did Dr. Gregory E. Skipper go to medical school?

Dr. Skipper graduated from Heersink School of Medicine - Birmingham in 1974.

What drugs does Dr. Gregory E. Skipper prescribe most?

In 2019 Medicare Part D data, Dr. Skipper's most prescribed drugs by claims were Eliquis.

How long has Dr. Gregory E. Skipper been practicing?

Dr. Skipper graduated from medical school in 1974, 52 years ago.

Does Dr. Gregory E. Skipper do research?

Dmand AI links 23 publications to Dr. Skipper, published from 2004 to 2022.

Who does Dr. Gregory E. Skipper publish with?

Dr. Skipper's most frequent co-authors are Robert L. Dupont, MD (3 shared papers), Bankole A. Johnson, MD (2 shared papers) and John Spencer Rose, MD (2 shared papers).

Selling to internal medicine practices?

See internists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)