Dr. David Bryn Kessler, MD
- Industry payments
- $1,627
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 800 King Farm Blvd, Rockville, MD 20850-5979
- Practice phone
- Call (301) 740-1030
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Kessler'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.
Dr. David Bryn Kessler is a nephrologist in Rockville, Maryland
Dr. Kessler practices in Rockville, Maryland.
Dr. Kessler's NPI, 1346327491, was assigned on November 1, 2006. Dr. Kessler holds Maryland license D11929.
- NPI
- 1346327491NPI Registry (opens in a new tab)
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Practice phone
- (301) 740-1030
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. David Bryn Kessler's practice address is in Rockville, Maryland
Dr. Kessler's practice address in the NPI Registry is 800 King Farm Blvd, Rockville, MD 20850-5979. The practice phone is (301) 740-1030.
- NPI Registry address800 King Farm Blvd, Rockville, MD 20850-5979Phone(301) 740-1030
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. David Bryn Kessler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kessler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Kessler's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Bryn Kessler is one of 279 nephrologists in Maryland
Nephrology is Dr. Kessler's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Kessler is licensed in Maryland.
Specialties and state licenses
- Nephrology, MarylandPrimary
Nephrologists near Dr. Kessler
Counts of nephrologists 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 Bryn Kessler's patients have a median age of 88
Across all payers, Dmand AI patient panel data puts Dr. Kessler's median patient age at 88, with 100% women.
Dr. Kessler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 88
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. David Bryn Kessler received $1,627 in industry payments from 2016 to 2025
CMS Open Payments shows 65 general payments to Dr. Kessler from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Abbott Laboratories paid the most, $1,339.
General payments to Dr. Kessler by program year, 2016 to 2025
General payments to Dr. Kessler by kind, 2016 to 2025
- Food and beverage$1,53294%
- Education$956%
Companies that paid Dr. Kessler the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David Bryn Kessler'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 |
| 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. David Bryn Kessler
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 Bryn Kessler's NPI number?
Dr. David Bryn Kessler's NPI number is 1346327491. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Bryn Kessler?
Dr. David Bryn Kessler is a nephrologist in Rockville, Maryland. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. David Bryn Kessler practice?
Dr. Kessler practices at 800 King Farm Blvd, Rockville, MD 20850-5979.
What is Dr. David Bryn Kessler's office phone number?
The practice phone on file for Dr. Kessler is (301) 740-1030.
What is Dr. David Bryn Kessler's medical license number?
Dr. Kessler holds Maryland license D11929.
Has Dr. David Bryn Kessler received payments from drug or device companies?
CMS Open Payments shows $1,627 in general payments to Dr. Kessler from 9 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. David Bryn Kessler been practicing?
Dr. Kessler's NPI was assigned in 2006.
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