Mark D. Hagedorn, MD
Emergency Medicine Physician · Plainville, CT
Mark D. Hagedorn, MD is an emergency medicine physician with a practice address in Plainville, Connecticut, and NPI 1972617827, issued on Aug 18, 2006. Check the license (Connecticut 20000, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark D. Hagedorn
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 20000 CT
Self-reported in NPPES; status is on the state search - Practice location
- 240 East St, Plainville, CT 06062
- Phone
- (860) 747-4541
- Enumerated
- Aug 18, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (860) 793-1218
- Entity
- Type 1 · individual
Also registered at 240 East St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Derrick Bailey, MDInternal Medicine Physician1053508945
- Stephen Kei, M.D.Internal Medicine Physician1760509293
- Jarred Parker, MS, PTPhysical Therapist1013172857
- Emily Rheaume, PA-CMedical Physician Assistant1033658364
- Marla StoddardSpecialist1346792553
- Mathew Thomas, MDInternal Medicine Physician1568543429
Verify Mark D. Hagedorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 20000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average emergency medicine physician in 2024
15 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Emergency Medicine Physician providers in Connecticut
There are 846 emergency medicine physician records in Connecticut.
Other emergency medicine physician records in Connecticut
- Carol Abbatiello, D.O.Hartford, CT1275579732
- Lincoln Abbott, MDHartford, CT1518965433
- Wayne Abrahams, MDWaterbury, CT1508886227
- Theresa Adams, M.D.New London, CT1457678138
- Irini Agaraj, MDNew Haven, CT1184208431
- Doreen Agboh, MDNew Haven, CT1275153868
- Ronald Agnes, M.D.Simsbury, CT1548399728
- Julius Patrick Aguas, DOHartford, CT1245736321
- Saeed Ahghari, MDEast Hartford, CT1427140862
- Teresa Allen, M.D.Putnam, CT1720047921
Common questions
What is Mark D. Hagedorn, MD's NPI number?
Mark D. Hagedorn, MD's National Provider Identifier (NPI) is 1972617827, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark D. Hagedorn, MD located?
The NPPES record lists a practice address at 240 East St, Plainville, CT, 06062. Phone: (860) 747-4541. Providers update this record themselves, so call before visiting.
How can I verify Mark D. Hagedorn, MD's license?
NPPES lists Connecticut license number 20000, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark D. Hagedorn, MD prescribe under Medicare Part D?
In 2024, Mark D. Hagedorn, MD had 15 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.