Marissa Karrina Lopez, FNP-C
Family Nurse Practitioner · Phoenix, AZ
Marissa Karrina Lopez, FNP-C is a family nurse practitioner with a practice address in Phoenix, Arizona, and NPI 1760093553, issued on Aug 13, 2020. Check the license (Arizona 241799, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa Karrina Lopez
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 241799 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 350 W Thomas RD, Phoenix, AZ 85013
- Phone
- (602) 406-3000
- Enumerated
- Aug 13, 2020
- Record last updated
- Oct 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →
Also registered at 350 W Thomas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christine Adham, DOAnesthesiology Physician1679953202
- Caitlyn Adley, CRNACertified Registered Nurse Anesthetist1760849079
- Rexhina Ago, DOStudent in an Organized Health Care Education/Training Program1568302065
Verify Marissa Karrina Lopez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 241799Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family nurse practitioner in 2024
185 Medicare Part D claims for 100 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 91 claims were for opioids.
Most prescribed
- Oxycodone Hcl53 claims
- Methocarbamol33 claims
- Tramadol Hcl25 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.
Marissa Karrina Lopez among 5,933 family nurse practitioner records in Arizona
Marissa Karrina Lopez, FNP-C is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 60% of them.
- NPI issued2020 · 60% of these records are older, 34% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2020 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,242 family nurse practitioner records list a practice address in Phoenix
They are 1,242 of the 31,399 NPPES records with a practice address in Phoenix, and 5,933 family nurse practitioner records in Arizona.
All 5,933 in Arizona → Every provider in Phoenix → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Barbara Borbeck, NPPhoenix, AZ 850131487824629
- Gail Brown, NPPhoenix, AZ 850131366554388
- Martha Davidowicz, FNP-CPhoenix, AZ 850131720138704
- Deborah Dicicco, FNPPhoenix, AZ 850131770558272
- Michele Grigaitis-Reyes, NPPhoenix, AZ 850131497862379
- Kimberly Hart, FNPPhoenix, AZ 850131184645673
- Linda Holland-Ojeda, F.N.P.Phoenix, AZ 850131164427605
- Patricia Jost, FNPPhoenix, AZ 850131659440733
Common questions
What is Marissa Karrina Lopez, FNP-C's NPI number?
Marissa Karrina Lopez, FNP-C's National Provider Identifier (NPI) is 1760093553, issued on Aug 13, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Karrina Lopez, FNP-C located?
The NPPES record lists a practice address at 350 W Thomas RD, Phoenix, AZ, 85013. Phone: (602) 406-3000. Providers update this record themselves, so call before visiting.
How can I verify Marissa Karrina Lopez, FNP-C's license?
NPPES lists Arizona license number 241799, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Marissa Karrina Lopez, FNP-C prescribe under Medicare Part D?
In 2024, Marissa Karrina Lopez, FNP-C had 185 Medicare Part D claims for 100 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.