NPPES file of Aug 9, 2026

Fernando Federico Barrera, M.D.

Psychiatry Physician · South Portland, ME

Fernando Federico Barrera, M.D. is a psychiatry physician with a practice address in South Portland, Maine, and NPI 1023420221, issued on May 22, 2014. Check the license (Maine MD21978, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023420221
Name
Fernando Federico Barrera
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
MD21978 ME
Self-reported in NPPES; status is on the state search
Practice location
100 Foden RD, East, South Portland, ME 04106
Phone
(207) 874-1489
Enumerated
May 22, 2014
Record last updated
Mar 3, 2026
Fax
(207) 523-8590
Medicare enrollment
Enrolled (PECOS I20190613002022); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 100 Foden RD, East

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nathan Bankoff, M.D.Family Medicine Physician1295267094
  2. Erin Campbell, FNPFamily Nurse Practitioner1780393009
  3. Julia Fenton Schnee, LCSWClinical Social Worker1942455563
  4. Riley Goodrich, PA-CPhysician Assistant1346720653
  5. Jeffrey Grassmann, D.O.Family Medicine Physician1750580486
  6. John Hatzenbuehler, MDFamily Medicine Physician1699844365

Verify Fernando Federico Barrera in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license MD21978
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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75% fewer Medicare Part D claims than the average psychiatry physician in 2024

253 Medicare Part D claims for 34 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Fernando Barrera253
  2. Specialty average1,000

Most prescribed

  1. Venlafaxine Hcl Er35 claims
  2. Sertraline Hcl26 claims
  3. Bupropion Xl25 claims
  4. Fluoxetine Hcl23 claims
  5. Duloxetine Hcl15 claims
  6. Lamotrigine14 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.

Bills Medicare through one group practice

  1. Intermed PASouth Portland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Fernando Federico Barrera among 326 psychiatry physician records in Maine

Fernando Federico Barrera, M.D. is one of 326 psychiatry physician records with a practice address in Maine. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.

  • NPI issued2014 · 80% of these records are older, 19% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 44% of these records are
  • Graduated2014 · median 2003 among the 142 with a school on file
  • Record last updated2026 · 66% 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 Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Maine

There are 326 psychiatry physician records in Maine.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Andres Abreu, MDSouth Portland, ME 041061871939710
  2. Edward Bilotti, MDSouth Portland, ME 041061740344902
  3. Francine Blattner, MDSouth Portland, ME 041061265442826
  4. Roslyn Gerwin, D.O.South Portland, ME 041061710274709
  5. Sarah Kim, M.D.South Portland, ME 041061467779181
  6. John Newcomb, M.D.South Portland, ME 041061699975151
  7. Nicholas Piotrowski, MDSouth Portland, ME 041061134440803
  8. John Powell, MDSouth Portland, ME 041061730619610

Common questions

What is Fernando Federico Barrera, M.D.'s NPI number?

Fernando Federico Barrera, M.D.'s National Provider Identifier (NPI) is 1023420221, issued on May 22, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Fernando Federico Barrera, M.D. located?

The NPPES record lists a practice address at 100 Foden RD, East, South Portland, ME, 04106. Phone: (207) 874-1489. Providers update this record themselves, so call before visiting.

How can I verify Fernando Federico Barrera, M.D.'s license?

NPPES lists Maine license number MD21978, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Fernando Federico Barrera, M.D. prescribe under Medicare Part D?

In 2024, Fernando Federico Barrera, M.D. had 253 Medicare Part D claims for 34 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.