NPPES file of Aug 9, 2026

Marissa Ann Lopez, NP

Family Nurse Practitioner · Portland, IN

Marissa Ann Lopez, NP is a family nurse practitioner with a practice address in Portland, Indiana, and NPI 1669117370, issued on Apr 28, 2022. Check the license (Indiana 71012622A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669117370
Name
Marissa Ann Lopez
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
71012622A IN
28212155A IN
Self-reported in NPPES; status is on the state search
Practice location
500 W Votaw St Ste A, Portland, IN 47371
Phone
(260) 726-4350
Enumerated
Apr 28, 2022
Record last updated
Jun 28, 2022
Fax
(260) 726-9340
Medicare enrollment
Enrolled (PECOS I20220812000484); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 500 W Votaw St Ste A

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rebekah Ferrell, RN, FNPFamily Nurse Practitioner1871100305

Verify Marissa Ann Lopez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Indiana board licenses this profession
    Search for license 71012622A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Indiana license search

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73% fewer Medicare Part D claims than the average family nurse practitioner in 2024

348 Medicare Part D claims for 213 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Marissa Lopez348
  2. Specialty average1,305

Most prescribed

  1. Doxycycline Monohydrate65 claims
  2. Prednisone44 claims
  3. Cephalexin31 claims
  4. Azithromycin30 claims
  5. Amoxicillin15 claims
  6. Amoxicillin-Clavulanate Potass15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Meridian Health Services CorpPortland, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

20 family nurse practitioner records list a practice address in Portland

They are 20 of the 125 NPPES records with a practice address in Portland, and 5,867 family nurse practitioner records in Indiana.

Other family nurse practitioner records in Indiana

  1. Jennifer AaronIndianapolis, IN1093567554
  2. Juliana Abara, F.N.P.Terre Haute, IN1619134244
  3. Melinda Abbring, FNP-BCEast Chicago, IN1790208197
  4. Abigail Abbs, NPSouth Bend, IN1770262156
  5. Sheila Abebe, NPNoblesville, IN1306899224
  6. Audra AbelGeorgetown, IN1003350596
  7. Jenile Abell, FNP-CAnderson, IN1073755658
  8. Morgan Abney, MSN, APRN, FNP-CShelbyville, IN1306532783
  9. Maggie AbsalomShelbyville, IN1790133080
  10. Brookelyn Abubakr, NPCarmel, IN1871177873

Common questions

What is Marissa Ann Lopez, NP's NPI number?

Marissa Ann Lopez, NP's National Provider Identifier (NPI) is 1669117370, issued on Apr 28, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Ann Lopez, NP located?

The NPPES record lists a practice address at 500 W Votaw St Ste A, Portland, IN, 47371. Phone: (260) 726-4350. Providers update this record themselves, so call before visiting.

How can I verify Marissa Ann Lopez, NP's license?

NPPES lists Indiana license number 71012622A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.

How much does Marissa Ann Lopez, NP prescribe under Medicare Part D?

In 2024, Marissa Ann Lopez, NP had 348 Medicare Part D claims for 213 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.