Antiviral AgentsBenzimidazolesFluorenes
Dr. David J. Witt, MD
NPI1710061783PAC ID4486629193
- Part D claims, 2018
- 135
- Publications
- 12
- Industry payments
- $224
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 99 Montecillo Rd, San Rafael, CA 94903-3308
- Practice phone
- Call (415) 444-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Witt's professional email, personal email and mobile number
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Dr. David J. Witt is an infectious disease specialist in San Rafael, California
Dr. Witt practices in San Rafael, California.
Dr. Witt's NPI, 1710061783, was assigned on October 25, 2006. Dr. Witt graduated from University Of Michigan Medical School in 1979. Dr. Witt holds California license G46814.
NPI and contact details
- NPI
- 1710061783NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486629193
- NPI enumeration date
- October 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 444-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David J. Witt's practice address is in San Rafael, California
Dr. Witt's practice address in the NPI Registry is 99 Montecillo Rd, San Rafael, CA 94903-3308. The practice phone is (415) 444-2000.
- NPI Registry address99 Montecillo Rd, San Rafael, CA 94903-3308Phone(415) 444-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. David J. Witt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Witt practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Witt's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David J. Witt is one of 1,054 infectious disease specialists in California
Infectious disease is Dr. Witt's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Witt is board certified in infectious disease by the American Board of Internal Medicine. Dr. Witt is licensed in California.
Specialties and state licenses
- Infectious disease, CaliforniaPrimary
Infectious disease specialists near Dr. Witt
Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.
1,054infectious disease specialists in California
2infectious disease specialists in San Rafael
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David J. Witt wrote 135 Medicare Part D claims in 2018
In 2018, Dr. Witt wrote 135 Medicare Part D claims. They cover 7 drugs, with $194,556 in total drug cost. In 2017, CMS named 1,107 claims across 39 drugs.
Part D claims, 2018135
Drugs named by CMS7
Total drug cost$194,556
Dr. Witt's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 1,1072018: 13588%
Drugs named by CMS: 7 in 2018, 39 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. David J. Witt takes part in Medicare
Dr. Witt accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David J. Witt has 12 publications on record
Dmand AI links 12 papers to Dr. Witt, published from 2012 to 2024. 2013 was the busiest year, with 5. The most frequent topics are Disease Outbreaks, Pertussis Vaccine and Whooping Cough. Dr. Witt has published most often in Clin Infect Dis. Dr. Witt's most frequent co-authors are Paul H. Katz, MD, Varun Saxena, MD and Suk Seo, MD.
Papers12
Years published2012 to 2024
Dr. Witt's papers by year, 2012 to 2024
Topics Dr. Witt writes about most
- Disease Outbreaks
- Pertussis Vaccine
- Whooping Cough
- California
- Vaccines, Acellular
Dr. Witt's most frequent co-authors
Recent publications by Dr. Witt
Infect Control Hosp Epidemiol
Anti-Bacterial AgentsCaliforniaDrug Utilization
Congresses as TopicInfection ControlScholarly Communication
See who Dr. Witt researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Witt works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David J. Witt received $224 in industry payments from 2016 to 2021
CMS Open Payments shows 13 general payments to Dr. Witt from 4 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 69% of the total. Allergan Inc. paid the most, $77.
General payments to Dr. Witt by program year, 2016 to 2021
General payments to Dr. Witt by kind, 2016 to 2021
$224in total
- Food and beverage$15469%
- Education$7031%
Companies that paid Dr. Witt the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David J. Witt has 1 award and honors on record
Dmand AI lists 1 award for Dr. Witt, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Witt
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. David J. Witt graduated from University Of Michigan Medical School
Dr. Witt graduated from University Of Michigan Medical School in 1979. Dr. Witt is a member of ACP.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. David J. Witt'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 J. Witt
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 J. Witt's NPI number?
Dr. David J. Witt's NPI number is 1710061783. It was assigned on October 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David J. Witt?
Dr. David J. Witt is an infectious disease specialist in San Rafael, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. David J. Witt practice?
Dr. Witt practices at 99 Montecillo Rd, San Rafael, CA 94903-3308.
What is Dr. David J. Witt's office phone number?
The practice phone on file for Dr. Witt is (415) 444-2000.
What is Dr. David J. Witt's medical license number?
Dr. Witt holds California license G46814.
Does Dr. David J. Witt accept Medicare?
Yes. CMS lists Dr. Witt as accepting Medicare assignment.
Is Dr. David J. Witt board certified?
Yes. Dr. Witt is board certified in infectious disease by the American Board of Internal Medicine.
Where did Dr. David J. Witt go to medical school?
Dr. Witt graduated from University Of Michigan Medical School in 1979.
What drugs does Dr. David J. Witt prescribe most?
In 2018 Medicare Part D data, Dr. Witt's most prescribed drugs by claims were Atorvastatin Calcium, Tivicay and Descovy.
Has Dr. David J. Witt received payments from drug or device companies?
CMS Open Payments shows $224 in general payments to Dr. Witt from 4 companies from 2016 to 2021. The largest total came from Allergan Inc.
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How long has Dr. David J. Witt been practicing?
Dr. Witt graduated from medical school in 1979, 47 years ago.
Does Dr. David J. Witt do research?
Dmand AI links 12 publications to Dr. Witt, published from 2012 to 2024.
Who does Dr. David J. Witt publish with?
Dr. Witt's most frequent co-authors are Paul H. Katz, MD (3 shared papers), Varun Saxena, MD (2 shared papers) and Suk Seo, MD (2 shared papers).
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