Sergio Mejia, M.D.
NPI 1932127214 · Psychiatry Physician · Hartford, CT
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sergio Mejia, M.D. is a Psychiatry Physician provider in Hartford, CT (NPI 1932127214).
Provider details
- NPI number
- 1932127214
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 024051 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
184 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 116 | $70 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 68 | $104 |
Typical Medicare-allowed amounts for these services range $70–$104 (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 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 145 | 26 |
| Alprazolam | 126 | 19 |
| Buspirone Hcl | 115 | 22 |
| Quetiapine Fumarate | 99 | 19 |
| Sertraline Hcl | 95 | 27 |
| Lorazepam | 81 | 11 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$369 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2008-02-26
Frequently asked questions
- What is Sergio Mejia's NPI number?
- Sergio Mejia's National Provider Identifier (NPI) is 1932127214, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sergio Mejia's specialty?
- Sergio Mejia is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Sergio Mejia located?
- Sergio Mejia's practice location on file with NPPES is 200 Retreat Ave, Hartford, CT 06106.
- What is Sergio Mejia's phone number?
- The practice phone number listed in the NPPES registry for Sergio Mejia is (860) 545-7330.
- Does Sergio Mejia accept Medicare?
- Sergio Mejia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sergio Mejia's NPI active?
- Yes — Sergio Mejia's NPI (1932127214) is active in the NPPES registry as of the last update on 2008-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.