Administration, OralAntibodies, BacterialAntibodies, Monoclonal
Dr. Mark S. Klempner, MD
NPI1740267582
- Publications
- 26
- Industry payments
- $4,382
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 119 Belmont St, Worcester, MA 01605-2903
- Practice phone
- Call (508) 856-1720
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Klempner's professional email, personal email and mobile number
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Dr. Mark S. Klempner is an infectious disease specialist in Worcester, Massachusetts
Dr. Klempner practices in Worcester, Massachusetts.
Dr. Klempner's NPI, 1740267582, was assigned on December 22, 2005. Dr. Klempner holds Massachusetts license 37113.
NPI and contact details
- NPI
- 1740267582NPI Registry (opens in a new tab)
- NPI enumeration date
- December 22, 2005
- NPI status
- Active
- Practice phone
- (508) 856-1720
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Mark S. Klempner's practice address is in Worcester, Massachusetts
Dr. Klempner's practice address in the NPI Registry is 119 Belmont St, Worcester, MA 01605-2903. The practice phone is (508) 856-1720.
- NPI Registry address119 Belmont St, Worcester, MA 01605-2903Phone(508) 856-1720
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Mark S. Klempner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klempner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Klempner's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark S. Klempner is one of 395 infectious disease specialists in Massachusetts
Infectious disease is Dr. Klempner's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Klempner is licensed in Massachusetts.
Specialties and state licenses
- Infectious disease, MassachusettsPrimary
Infectious disease specialists near Dr. Klempner
Counts of infectious disease specialists 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. Mark S. Klempner has 26 publications on record
Dmand AI links 26 papers to Dr. Klempner, published from 2013 to 2023. 2020 was the busiest year, with 6. The most frequent topics are Antibodies, Monoclonal, Antibodies, Bacterial and Enterotoxigenic Escherichia coli. Dr. Klempner has published most often in J Infect Dis. Dr. Klempner's most frequent co-authors are Linden T. Hu, MD, Jacqueline Jiawei Chu, MD and Raymond Dattwyler, MD.
Papers26
Years published2013 to 2023
Dr. Klempner's papers by year, 2013 to 2023
Topics Dr. Klempner writes about most
- Antibodies, Monoclonal
- Antibodies, Bacterial
- Enterotoxigenic Escherichia coli
- Lyme Disease
- Escherichia coli Infections
- Immunoglobulin A, Secretory
- Immunoglobulin G
- Immunoglobulin A
Dr. Klempner's most frequent co-authors
- Linden T. Hu, MD3 shared papers
- Jacqueline Jiawei Chu, MD1 shared paper
- Raymond Dattwyler, MD1 shared paper
Recent publications by Dr. Klempner
Angiotensin-Converting Enzyme 2Antibodies, ViralCOVID-19
Antibodies, MonoclonalAntibodies, ViralAntineoplastic Agents, Immunological
Antibodies, BacterialAntibodies, NeutralizingCaco-2 Cells
ACS Biomater Sci Eng
GelatinHydrogen-Ion ConcentrationImmunoglobulin A
See who Dr. Klempner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Klempner 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. Mark S. Klempner received $4,382 in industry payments in 2018
CMS Open Payments shows 3 general payments to Dr. Klempner from 1 drug or device company in 2018. Honoraria make up the largest share, 80% of the total. Valneva Austria GmbH paid the most, $4,382.
General payments to Dr. Klempner by kind, 2018 to 2018
$4.4Kin total
- Honoraria$3,50080%
- Travel and lodging$81719%
- Food and beverage$641%
Companies that paid Dr. Klempner the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark S. Klempner'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 |
| 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) |
| 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. Mark S. Klempner
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. Mark S. Klempner's NPI number?
Dr. Mark S. Klempner's NPI number is 1740267582. It was assigned on December 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark S. Klempner?
Dr. Mark S. Klempner is an infectious disease specialist in Worcester, Massachusetts. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Mark S. Klempner practice?
Dr. Klempner practices at 119 Belmont St, Worcester, MA 01605-2903.
What is Dr. Mark S. Klempner's office phone number?
The practice phone on file for Dr. Klempner is (508) 856-1720.
What is Dr. Mark S. Klempner's medical license number?
Dr. Klempner holds Massachusetts license 37113.
Has Dr. Mark S. Klempner received payments from drug or device companies?
CMS Open Payments shows $4,382 in general payments to Dr. Klempner from 1 company from 2018 to 2018. The largest total came from Valneva Austria GmbH.
How long has Dr. Mark S. Klempner been practicing?
Dr. Klempner's NPI was assigned in 2005.
Does Dr. Mark S. Klempner do research?
Dmand AI links 26 publications to Dr. Klempner, published from 2013 to 2023.
Who does Dr. Mark S. Klempner publish with?
Dr. Klempner's most frequent co-authors are Linden T. Hu, MD (3 shared papers), Jacqueline Jiawei Chu, MD (1 shared paper) and Raymond Dattwyler, MD (1 shared paper).
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