AutoantibodiesCost-Benefit AnalysisDiabetes Mellitus, Type 1
Dr. David Seftel, MD
NPI1437285665
- Part D claims, 2024
- 208
- Publications
- 22
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 2450 Ashby Ave, Berkeley, CA 94705
- Practice phone
- Call (650) 349-7977
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Seftel's professional email, personal email and mobile number
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Dr. David Seftel is an internist in Berkeley, California
Dr. Seftel practices in Berkeley, California.
Dr. Seftel's NPI, 1437285665, was assigned on February 23, 2007. Dr. Seftel graduated from University of the Witwatersrand in 1985. Dr. Seftel holds California license A60937.
NPI and contact details
- NPI
- 1437285665NPI Registry (opens in a new tab)
- NPI enumeration date
- February 23, 2007
- NPI status
- Active
- Practice phone
- (650) 349-7977
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. David Seftel's practice address is in Berkeley, California
Dr. Seftel's practice address in the NPI Registry is 2450 Ashby Ave, Berkeley, CA 94705, in Alameda County. The practice phone is (650) 349-7977.
- NPI Registry address2450 Ashby Ave, Berkeley, CA 94705 · Alameda CountyPhone(650) 349-7977
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. David Seftel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Seftel practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Seftel's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Seftel is one of 16,751 internists in California
Internal medicine is Dr. Seftel's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Seftel is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Seftel
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David Seftel's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Seftel's median patient age at 61, with 33% women.
Dr. Seftel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women33%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. David Seftel wrote 208 Medicare Part D claims in 2024
In 2024, Dr. Seftel wrote 208 Medicare Part D claims for 30 patients. 87% of them were for generic drugs. CMS names the drug for 70 of them, across 3 drugs with 11 or more claims each, at $1,046 in total drug cost. In 2023, CMS named 86 claims across 6 drugs.
Part D claims, 2024208
Drugs named by CMS3
Total drug cost$1,046
Part D patients30
Dr. Seftel's Part D claims by kind of drug, 2024
- Generic180 claims87%
- Brand-name28 claims13%
Dr. Seftel's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Seftel's Part D claims, 2024
- Antibiotics13%27 of 208 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 862024: 7019%
Drugs named by CMS: 3 in 2024, 6 in 2023.
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
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Dr. David Seftel has 22 publications on record
Dmand AI links 22 papers to Dr. Seftel, published from 2020 to 2025. 2020 was the busiest year, with 5. The most frequent topics are Autoantibodies, Diabetes Mellitus, Type 1 and Polymerase Chain Reaction. Dr. Seftel has published most often in medRxiv. Dr. Seftel's most frequent co-authors are Laurence M. Corash, MD, David Matthew Maahs, MD, PhD and David Robert Boulware, MD, MPH.
Papers22
Years published2020 to 2025
Dr. Seftel's papers by year, 2020 to 2025
Topics Dr. Seftel writes about most
- Autoantibodies
- Diabetes Mellitus, Type 1
- Polymerase Chain Reaction
- COVID-19
- SARS-CoV-2
- Agglutination
- Glutamate Decarboxylase
- Mass Screening
Dr. Seftel's most frequent co-authors
- Laurence M. Corash, MD2 shared papers
- David Matthew Maahs, MD, PhD2 shared papers
- David Robert Boulware, MD, MPH1 shared paper
Recent publications by Dr. Seftel
CaliforniaCOVID-19Dried Blood Spot Testing
AutoantibodiesDiabetes Mellitus, Type 1Glutamate Decarboxylase
See who Dr. Seftel researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Seftel works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David Seftel graduated from University of the Witwatersrand
Dr. Seftel graduated from University of the Witwatersrand in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Seftel's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. David Seftel
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. David Seftel's NPI number?
Dr. David Seftel's NPI number is 1437285665. It was assigned on February 23, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. David Seftel?
Dr. David Seftel is an internist in Berkeley, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David Seftel practice?
Dr. Seftel practices at 2450 Ashby Ave, Berkeley, CA 94705.
What is Dr. David Seftel's office phone number?
The practice phone on file for Dr. Seftel is (650) 349-7977.
What is Dr. David Seftel's medical license number?
Dr. Seftel holds California license A60937.
Where did Dr. David Seftel go to medical school?
Dr. Seftel graduated from University of the Witwatersrand in 1985.
What drugs does Dr. David Seftel prescribe most?
In 2024 Medicare Part D data, Dr. Seftel's most prescribed drugs by claims were Albuterol Sulfate Hfa, Lorazepam and Azithromycin.
How long has Dr. David Seftel been practicing?
Dr. Seftel graduated from medical school in 1985, 41 years ago.
Does Dr. David Seftel do research?
Dmand AI links 22 publications to Dr. Seftel, published from 2020 to 2025.
Who does Dr. David Seftel publish with?
Dr. Seftel's most frequent co-authors are Laurence M. Corash, MD (2 shared papers), David Matthew Maahs, MD, PhD (2 shared papers) and David Robert Boulware, MD, MPH (1 shared paper).
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