Erenio Mejias, M.D.
NPI 1376603118 · Internal Medicine Physician · Elizabeth, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erenio Mejias, M.D. is a Internal Medicine Physician provider in Elizabeth, NJ (NPI 1376603118).
Provider details
- NPI number
- 1376603118
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA03870300 (NJ)
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
19 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
47 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 47 | $100 |
Typical Medicare-allowed amounts for these services range $100–$100 (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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 41 | 12 |
| Atorvastatin Calcium | 35 | — |
| Rosuvastatin Calcium | 28 | — |
| Metformin Hclbrand: Metformin Hcl Er | 26 | — |
| Terazosin Hcl | 23 | — |
| Olmesartan Medoxomil | 21 | — |
| Ibuprofen | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-11
- Last updated
- 2012-07-27
Frequently asked questions
- What is Erenio Mejias's NPI number?
- Erenio Mejias's National Provider Identifier (NPI) is 1376603118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erenio Mejias's specialty?
- Erenio Mejias is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Erenio Mejias located?
- Erenio Mejias's practice location on file with NPPES is 505 Westfield Ave, Elizabeth, NJ 07208-1622.
- What is Erenio Mejias's phone number?
- The practice phone number listed in the NPPES registry for Erenio Mejias is (908) 354-5461.
- Does Erenio Mejias accept Medicare?
- Erenio Mejias is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erenio Mejias's NPI active?
- Yes — Erenio Mejias's NPI (1376603118) is active in the NPPES registry as of the last update on 2012-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.