Mary C. Flynn, MD
Internal Medicine Physician · Madison, WI
Mary C. Flynn, MD is an internal medicine physician with a practice address in Madison, Wisconsin, and NPI 1922063544, issued on Apr 18, 2006. Check the license (Wisconsin 35885, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mary C. Flynn
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35885 WI
Self-reported in NPPES; status is on the state search - Practice location
- 345 W Washington Ave, Madison, WI 53703
- Phone
- (608) 417-8300
- Enumerated
- Apr 18, 2006
- Record last updated
- Dec 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (608) 877-2667
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 345 W Washington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Haithem AldhahirySocial Worker1740914951
- Elizabeth Bothfeld, NPAdult Health Nurse Practitioner1912113887
- Terryann Chrudimsky, LDNRegistered Dietitian1356652366
- Sancia Ferguson, M.DRheumatology Physician1497070601
- Holly Gerhard, RDRegistered Dietitian1275769226
- Elizabeth Gokey, APSWSocial Worker1942698618
Verify Mary C. Flynn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 35885Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $1,308.15
5 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mary C. Flynn among 2,078 internal medicine physician records in Wisconsin
Mary C. Flynn, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2012 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
417 internal medicine physician records list a practice address in Madison
They are 417 of the 15,014 NPPES records with a practice address in Madison, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Madison → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Pamela Alsum, MDMadison, WI 537031710954417
- Puangpetch ChanbusarakumMadison, WI 537031275656647
- David Eckerle, MDMadison, WI 537031487673273
- Michael Fiore, MD MPHMadison, WI 537031578530622
- Lisa Grant, DOMadison, WI 537031215996392
- Julia McMurray, MDMadison, WI 537031376519314
- Safa Shiari, M.D.Madison, WI 537031780033555
- Deborah Williams, MDMadison, WI 537031578582243
Common questions
What is Mary C. Flynn, MD's NPI number?
Mary C. Flynn, MD's National Provider Identifier (NPI) is 1922063544, issued on Apr 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary C. Flynn, MD located?
The NPPES record lists a practice address at 345 W Washington Ave, Madison, WI, 53703. Phone: (608) 417-8300. Providers update this record themselves, so call before visiting.
How can I verify Mary C. Flynn, MD's license?
NPPES lists Wisconsin license number 35885, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.