Jonathan Todd Greenfield, M.D.
Psychiatry Physician · Newtown, CT
Jonathan Todd Greenfield, M.D. is a psychiatry physician with a practice address in Newtown, Connecticut, and NPI 1336479062, issued on Dec 31, 2009. Check the license (Connecticut 028932, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Jonathan Todd Greenfield
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 028932 CT
Self-reported in NPPES; status is on the state search - Practice location
- 166 Brushy Hill RD, Newtown, CT 06470
- Phone
- (203) 470-6655
- Enumerated
- Dec 31, 2009
- Record last updated
- Dec 31, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Verify Jonathan Todd Greenfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 028932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Jonathan Todd Greenfield among 1,174 psychiatry physician records in Connecticut
Jonathan Todd Greenfield, M.D. is one of 1,174 psychiatry physician records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 61% of them.
- NPI issued2009 · 61% of these records are older, 37% newer
- In a Medicare fileNo · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2009 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 psychiatry physician records list a practice address in Newtown
They are 6 of the 283 NPPES records with a practice address in Newtown, and 1,174 psychiatry physician records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,174 in Connecticut → Every provider in Newtown → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- James Beaudoin, M.D.Newtown, CT 064701285075234
- Harold Berkheimer, MDNewtown, CT 064701790967727
- Maxine CartwrightNewtown, CT 064701881901494
- Alexia Cortella, PMHNP-BCNewtown, CT 064701063996221
- Maurice Lee, M.D., PH.D.Newtown, CT 064701285741025
- Karen Brody, MDMonroe, CT 064681144348376
- David Ross, M.D.Monroe, CT 064681477655025
- Aaron Roberto, M.D.North Haven, CT 064731275896029
Common questions
What is Jonathan Todd Greenfield, M.D.'s NPI number?
Jonathan Todd Greenfield, M.D.'s National Provider Identifier (NPI) is 1336479062, issued on Dec 31, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Todd Greenfield, M.D. located?
The NPPES record lists a practice address at 166 Brushy Hill RD, Newtown, CT, 06470. Phone: (203) 470-6655. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Todd Greenfield, M.D.'s license?
NPPES lists Connecticut license number 028932, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.