Marissa Lopez, NP
NPI 1669117370 · Family Nurse Practitioner · Portland, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Lopez, NP is a Family Nurse Practitioner provider in Portland, IN (NPI 1669117370).
Provider details
- NPI number
- 1669117370
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 28212155A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 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
36 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 | 19 | $72 |
| Urinalysis, Manual Test81002 | 17 | $3 |
Typical Medicare-allowed amounts for these services range $3–$72 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Monohydrate | 65 | 56 |
| Prednisone | 44 | 40 |
| Cephalexin | 31 | 30 |
| Azithromycin | 30 | 29 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 15 | 15 |
| Amoxicillin | 15 | 14 |
| Methylprednisolone | 14 | 14 |
| Mupirocin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-28
- Last updated
- 2022-06-28
- Certified
- 2022-06-28
Frequently asked questions
- What is Marissa Lopez's NPI number?
- Marissa Lopez's National Provider Identifier (NPI) is 1669117370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Lopez's specialty?
- Marissa Lopez is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Lopez located?
- Marissa Lopez's practice location on file with NPPES is 500 W Votaw St Ste a, Portland, IN 47371-1322.
- What is Marissa Lopez's phone number?
- The practice phone number listed in the NPPES registry for Marissa Lopez is (260) 726-4350.
- Does Marissa Lopez accept Medicare?
- Marissa Lopez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Lopez's NPI active?
- Yes — Marissa Lopez's NPI (1669117370) is active in the NPPES registry as of the last update on 2022-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.