Robert Guerrera, M.D.
Psychiatry Physician · Wilton, CT
Robert Guerrera, M.D. is a psychiatry physician with a practice address in Wilton, Connecticut, and NPI 1033232228, issued on Apr 10, 2007. Check the license (Connecticut 042713, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Robert Guerrera
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 042713 CT
Self-reported in NPPES; status is on the state search - Practice location
- 27 Danbury RD, Wilton, CT 06897
- Phone
- (203) 210-7820
- Enumerated
- Apr 10, 2007
- Record last updated
- Nov 19, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (203) 529-3385
- Medicare enrollment
- Enrolled (PECOS I20041026000216); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at 27 Danbury RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Geraldine Lindo, PTPhysical Therapist1962474627
- Ryan Wagner, DDSGeneral Practice Dentistry1326932294
Verify Robert Guerrera in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 042713Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average psychiatry physician in 2024
949 Medicare Part D claims for 55 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Escitalopram Oxalate61 claims
- Quetiapine Fumarate60 claims
- Clozapine51 claims
- Lorazepam49 claims
- Fluoxetine Hcl46 claims
- Clonazepam45 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.
Industry payments in 2024: $61.00
1 payment: education; the largest payer was Axsome Therapeutics, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Bills Medicare through one group practice
- Connecticut Renaissance, Inc.Norwalk, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Guerrera among 1,174 psychiatry physician records in Connecticut
Robert Guerrera, 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. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 44% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1995 · median 2003 among the 503 with a school on file
- Record last updated2014 · 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).
Psychiatry Physician providers in Connecticut
There are 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in Wilton → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Francis Hamilton, MDWilton, CT 068971992852057
- Michael Barberie, M.D.Redding, CT 068961215154117
- Myron Glucksman, MDWest Redding, CT 068961215968482
- Tichianaa Armah, MDStamford, CT 069011174786487
- Dervin Cunningham, MDStamford, CT 069011457988735
- Victoria Knightly, M.D.Stamford, CT 069011043662729
- Florence Knox, M.D.Stamford, CT 069011558442913
- Rafique Tai, M.D.Stamford, CT 069011528260197
Common questions
What is Robert Guerrera, M.D.'s NPI number?
Robert Guerrera, M.D.'s National Provider Identifier (NPI) is 1033232228, issued on Apr 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert Guerrera, M.D. located?
The NPPES record lists a practice address at 27 Danbury RD, Wilton, CT, 06897. Phone: (203) 210-7820. Providers update this record themselves, so call before visiting.
How can I verify Robert Guerrera, M.D.'s license?
NPPES lists Connecticut license number 042713, 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 Robert Guerrera, M.D. prescribe under Medicare Part D?
In 2024, Robert Guerrera, M.D. had 949 Medicare Part D claims for 55 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.