Myrna Lopez, M.D.
NPI 1194814640 · Endocrinology, Diabetes & Metabolism Physician · Arecibo, PR
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Myrna Lopez, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Arecibo, PR (NPI 1194814640).
Provider details
- NPI number
- 1194814640
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 10548 (PR)
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
110 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 90 | $72 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 20 | $127 |
Typical Medicare-allowed amounts for these services range $72–$127 (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 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodiumbrand: Synthroid | 1,155 | 148 |
| Metformin Hcl | 554 | 90 |
| Levothyroxine Sodium | 391 | 74 |
| Glimepiride | 245 | 35 |
| Sitagliptin Phosphatebrand: Januvia | 170 | 28 |
| Linagliptinbrand: Tradjenta | 159 | 22 |
| Insulin Glargine,hum.rec.anlog |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28 across 1 record (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
- 2006-10-12
- Last updated
- 2007-07-09
Frequently asked questions
- What is Myrna Lopez's NPI number?
- Myrna Lopez's National Provider Identifier (NPI) is 1194814640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Myrna Lopez's specialty?
- Myrna Lopez is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Myrna Lopez located?
- Myrna Lopez's practice location on file with NPPES is 65 Ave Barbosa, Arecibo, PR 00612-2799.
- What is Myrna Lopez's phone number?
- The practice phone number listed in the NPPES registry for Myrna Lopez is (787) 879-4811.
- Does Myrna Lopez accept Medicare?
- Myrna Lopez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Myrna Lopez's NPI active?
- Yes — Myrna Lopez's NPI (1194814640) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.