Dr. Charles Williams Flexner, MD
- Industry payments
- $216,530
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 600 N Wolfe St, Baltimore, MD 21287-0005
- Practice phone
- Call (410) 955-1725
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Flexner'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. Charles Williams Flexner is an internist in Baltimore, Maryland
Dr. Flexner practices in Baltimore, Maryland.
Dr. Flexner's NPI, 1972546828, was assigned on June 14, 2006. Dr. Flexner holds Maryland license D32845.
- NPI
- 1972546828NPI Registry (opens in a new tab)
- NPI enumeration date
- June 14, 2006
- NPI status
- Active
- Practice phone
- (410) 955-1725
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Charles Williams Flexner's practice address is in Baltimore, Maryland
Dr. Flexner's practice address in the NPI Registry is 600 N Wolfe St, Baltimore, MD 21287-0005. The practice phone is (410) 955-1725.
- NPI Registry address600 N Wolfe St, Baltimore, MD 21287-0005Phone(410) 955-1725
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Charles Williams Flexner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Flexner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Flexner's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charles Williams Flexner is one of 3,320 internists in Maryland
Internal medicine is Dr. Flexner's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Flexner is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Flexner
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. Charles Williams Flexner received $216,530 in industry payments from 2016 to 2025
CMS Open Payments shows 257 general payments to Dr. Flexner from 9 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 78% of the total. Merck Sharp & Dohme Corporation paid the most, $148,524.
General payments to Dr. Flexner by program year, 2016 to 2025
General payments to Dr. Flexner by kind, 2016 to 2025
- Consulting fees$168,84078%
- Travel and lodging$38,48918%
- Food and beverage$6,2013%
- Honoraria$3,0001%
Companies that paid Dr. Flexner 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. Charles Williams Flexner'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 |
| 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. Charles Williams Flexner
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. Charles Williams Flexner's NPI number?
Dr. Charles Williams Flexner's NPI number is 1972546828. It was assigned on June 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles Williams Flexner?
Dr. Charles Williams Flexner is an internist in Baltimore, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Charles Williams Flexner practice?
Dr. Flexner practices at 600 N Wolfe St, Baltimore, MD 21287-0005.
What is Dr. Charles Williams Flexner's office phone number?
The practice phone on file for Dr. Flexner is (410) 955-1725.
What is Dr. Charles Williams Flexner's medical license number?
Dr. Flexner holds Maryland license D32845.
Has Dr. Charles Williams Flexner received payments from drug or device companies?
CMS Open Payments shows $216,530 in general payments to Dr. Flexner from 9 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Charles Williams Flexner been practicing?
Dr. Flexner's NPI was assigned in 2006.
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