Erlinda Penalosa Mercado, M.D.
Psychiatry Physician · Middletown, CT
Erlinda Penalosa Mercado, M.D. is a psychiatry physician with a practice address in Middletown, Connecticut, and NPI 1790898278, issued on Aug 17, 2006. Check the license (Connecticut 64604, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Erlinda Penalosa Mercado
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 64604 CT
EM031514 MI
83466 SC
Self-reported in NPPES; status is on the state search - Practice location
- PO Box 351, Middletown, CT 06457
- Phone
- (860) 395-5042
- Enumerated
- Aug 17, 2006
- Record last updated
- Jan 13, 2025
- Fax
- (860) 395-5058
- Medicaid ID
- 104866882 MI
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at PO Box 351
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christina BoyleMental Health Counselor1891542312
- Sean Gray, LCSWClinical Social Worker1518851104
Verify Erlinda Penalosa Mercado in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 64604Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average psychiatry physician in 2024
122 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clozapine14 claims
- Invega Sustenna12 claims
- Trazodone Hcl12 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.
Erlinda Penalosa Mercado among 1,174 psychiatry physician records in Connecticut
Erlinda Penalosa Mercado, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 60% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2025 · 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).
59 psychiatry physician records list a practice address in Middletown
They are 59 of the 1,590 NPPES records with a practice address in Middletown, and 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in Middletown → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- George Amilo, MDMiddletown, CT 064571700852787
- Marc Aronson, M.D.Middletown, CT 064571275632994
- Victoria Dreisbach, D.O.Middletown, CT 064571205912235
- Stuart Forman, M.D.Middletown, CT 064571437193638
- Jeffrey Gottlieb, M.D.Middletown, CT 064571043292980
- Richard Ketai, M.D.Middletown, CT 064571003898172
- Halevoor Mahalingaiah, MDMiddletown, CT 064571598830804
- Richard Ownbey, MDMiddletown, CT 064571194893172
Common questions
What is Erlinda Penalosa Mercado, M.D.'s NPI number?
Erlinda Penalosa Mercado, M.D.'s National Provider Identifier (NPI) is 1790898278, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Erlinda Penalosa Mercado, M.D. located?
The NPPES record lists a practice address at PO Box 351, Middletown, CT, 06457. Phone: (860) 395-5042. Providers update this record themselves, so call before visiting.
How can I verify Erlinda Penalosa Mercado, M.D.'s license?
NPPES lists Connecticut license number 64604, 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 Erlinda Penalosa Mercado, M.D. prescribe under Medicare Part D?
In 2024, Erlinda Penalosa Mercado, M.D. had 122 Medicare Part D claims; 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.