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Psychiatry

Raymond Serrano, MD

Works at hospitals in Portland, ME · Maine

Summary

Raymond Serrano, MD (Psychiatry) is listed by Medicare at 1 hospital in Portland, ME. NPI 1821387218. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Raymond Serrano, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

PsychiatryPrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
MaleGender (as listed)
MaineHealthGroup practice

Quick answers

Which hospitals does Raymond Serrano work at?
Medicare's official clinician data lists Raymond Serrano at 1 hospital: MaineHealth Maine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Raymond Serrano see patients?
Medicare's clinician data lists 1 practice location in Portland, ME. Call before your visit to confirm the address.
What is Raymond Serrano's specialty?
Medicare lists Psychiatry as the primary specialty.
Does Raymond Serrano accept Medicare assignment?
Yes. Medicare's clinician data says Raymond Serrano accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Raymond Serrano?
(207) 706-3280, as listed in official Medicare / NPI Registry data.
What is Raymond Serrano's NPI number?
1821387218. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Raymond Serrano works

Medicare's Facility Affiliation Data lists Raymond Serrano at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Raymond Serrano is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Raymond Serrano as a member of this group (CMS data updated 2026-10-02).

  • MaineHealth2,633 clinicians in the group

Specialties

Find other Psychiatry doctors in Maine →

Other psychiatrists in Portland

Clinicians with the same Medicare primary specialty in Portland, ME — not a recommendation.

All psychiatrists in Portland →

Clinician information

CredentialMD
Graduation year2011
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821387218
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians