Fernando Barrera, M.D.
NPI 1023420221 · Psychiatry Physician · South Portland, ME
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fernando Barrera, M.D. is a Psychiatry Physician provider in South Portland, ME (NPI 1023420221).
Provider details
- NPI number
- 1023420221
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD21978 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
55 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 55 | $130 |
Typical Medicare-allowed amounts for these services range $130–$130 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 35 | — |
| Sertraline Hcl | 26 | 11 |
| Bupropion Hclbrand: Bupropion Xl | 25 | — |
| Fluoxetine Hcl | 23 | — |
| Duloxetine Hcl | 15 | — |
| Lamotrigine | 14 | — |
| Lorazepam |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-05-22
- Last updated
- 2026-03-03
- Certified
- 2026-03-03
Frequently asked questions
- What is Fernando Barrera's NPI number?
- Fernando Barrera's National Provider Identifier (NPI) is 1023420221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fernando Barrera's specialty?
- Fernando Barrera is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Fernando Barrera located?
- Fernando Barrera's practice location on file with NPPES is 100 Foden Rd, East, South Portland, ME 04106.
- What is Fernando Barrera's phone number?
- The practice phone number listed in the NPPES registry for Fernando Barrera is (207) 874-1489.
- Does Fernando Barrera accept Medicare?
- Fernando Barrera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fernando Barrera's NPI active?
- Yes — Fernando Barrera's NPI (1023420221) is active in the NPPES registry as of the last update on 2026-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.