Dr. John F. Tisdale, MD
- Publications
- 165
- Industry payments
- $406
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 8600 Old Georgetown Rd, Bethesda, MD 20814-1422
- Practice phone
- Call (301) 896-3517
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Tisdale's professional email, personal email and mobile number
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Dr. John F. Tisdale is an internist in Bethesda, Maryland
Dr. Tisdale practices in Bethesda, Maryland.
Dr. Tisdale's NPI, 1225029077, was assigned on November 1, 2005. Dr. Tisdale holds Maryland license D0061470.
- NPI
- 1225029077NPI Registry (opens in a new tab)
- NPI enumeration date
- November 1, 2005
- NPI status
- Active
- Practice phone
- (301) 896-3517
- 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. John F. Tisdale's practice address is in Bethesda, Maryland
Dr. Tisdale's practice address in the NPI Registry is 8600 Old Georgetown Rd, Bethesda, MD 20814-1422. The practice phone is (301) 896-3517.
- NPI Registry address8600 Old Georgetown Rd, Bethesda, MD 20814-1422Phone(301) 896-3517
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John F. Tisdale's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tisdale practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Tisdale's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John F. Tisdale is one of 3,320 internists in Maryland
Internal medicine is Dr. Tisdale's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tisdale is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Tisdale
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. John F. Tisdale's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Tisdale's median patient age at 58, with 0% women.
Dr. Tisdale's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. John F. Tisdale has 165 publications on record
Dmand AI links 165 papers to Dr. Tisdale, published from 2010 to 2025. 2019 was the busiest year, with 17. The most frequent topics are Anemia, Sickle Cell, Hematopoietic Stem Cell Transplantation and Hematopoietic Stem Cells. Dr. Tisdale has published most often in Mol Ther Methods Clin Dev. Dr. Tisdale's most frequent co-authors are Alexis Kristine Leonard, MD, Cynthia Elizabeth Dunbar, MD and Mitchell J. Weiss, MD.
Dr. Tisdale's papers by year, 2016 to 2025
Topics Dr. Tisdale writes about most
- Anemia, Sickle Cell
- Hematopoietic Stem Cell Transplantation
- Hematopoietic Stem Cells
- Antigens, CD34
- Genetic Therapy
- Gene Editing
- Genetic Vectors
- Macaca mulatta
Dr. Tisdale's most frequent co-authors
- Alexis Kristine Leonard, MD26 shared papers
- Cynthia Elizabeth Dunbar, MD10 shared papers
- Mitchell J. Weiss, MD10 shared papers
Recent publications by Dr. Tisdale
See who Dr. Tisdale researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tisdale 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. John F. Tisdale received $406 in industry payments from 2018 to 2025
CMS Open Payments shows 6 general payments to Dr. Tisdale from 4 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $173.
General payments to Dr. Tisdale by program year, 2018 to 2025
Companies that paid Dr. Tisdale the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John F. Tisdale'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 |
| 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. John F. Tisdale
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What is Dr. John F. Tisdale's NPI number?
Dr. John F. Tisdale's NPI number is 1225029077. It was assigned on November 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John F. Tisdale?
Dr. John F. Tisdale is an internist in Bethesda, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John F. Tisdale practice?
Dr. Tisdale practices at 8600 Old Georgetown Rd, Bethesda, MD 20814-1422.
What is Dr. John F. Tisdale's office phone number?
The practice phone on file for Dr. Tisdale is (301) 896-3517.
What is Dr. John F. Tisdale's medical license number?
Dr. Tisdale holds Maryland license D0061470.
Has Dr. John F. Tisdale received payments from drug or device companies?
CMS Open Payments shows $406 in general payments to Dr. Tisdale from 4 companies from 2018 to 2025. The largest total came from Genentech, Inc.
How long has Dr. John F. Tisdale been practicing?
Dr. Tisdale's NPI was assigned in 2005.
Does Dr. John F. Tisdale do research?
Dmand AI links 165 publications to Dr. Tisdale, published from 2010 to 2025.
Who does Dr. John F. Tisdale publish with?
Dr. Tisdale's most frequent co-authors are Alexis Kristine Leonard, MD (26 shared papers), Cynthia Elizabeth Dunbar, MD (10 shared papers) and Mitchell J. Weiss, MD (10 shared papers).
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