Denise Lopez, FNP-BC
NPI 1497227821 · Family Nurse Practitioner · Lawrence, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Denise Lopez, FNP-BC is a Family Nurse Practitioner provider in Lawrence, MA (NPI 1497227821).
Provider details
- NPI number
- 1497227821
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- RN2280878 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 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
306 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 86 | $145 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 57 | $116 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 38 | $16 |
| Detection Test By Immunoassay Technique for Influenza Virus87400 | 32 | $14 |
| Automated Urinalysis Test81003 | 24 | $2 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 19 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 59 | 56 |
| Azithromycin | 40 | 40 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 27 | 27 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 23 | 21 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 21 | 20 |
| Amoxicillin | 16 | 16 |
| Citalopram Hydrobromide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 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
- 2018-12-25
- Last updated
- 2021-03-22
- Certified
- 2021-03-22
Frequently asked questions
- What is Denise Lopez's NPI number?
- Denise Lopez's National Provider Identifier (NPI) is 1497227821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denise Lopez's specialty?
- Denise Lopez is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Denise Lopez located?
- Denise Lopez's practice location on file with NPPES is 25 Marston St Apt 203, Lawrence, MA 01841-2357.
- What is Denise Lopez's phone number?
- The practice phone number listed in the NPPES registry for Denise Lopez is (978) 725-5913.
- Does Denise Lopez accept Medicare?
- Denise Lopez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Denise Lopez's NPI active?
- Yes — Denise Lopez's NPI (1497227821) is active in the NPPES registry as of the last update on 2021-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.