Karissa Eileen Cain, DNP, FNP-C
Family Nurse Practitioner · Phoenix, AZ
Karissa Eileen Cain, DNP, FNP-C is a family nurse practitioner with a practice address in Phoenix, Arizona, and NPI 1235800319, issued on Sep 28, 2021. Check the license (Arizona 270531, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karissa Eileen Cain
- Credential
- DNP, FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 270531 AZ
RN183023 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4131 N 24TH St Ste B102, Phoenix, AZ 85016
- Phone
- (480) 882-4545
- Enumerated
- Sep 28, 2021
- Record last updated
- Feb 20, 2025
- Fax
- (602) 903-7091
- Medicare enrollment
- Enrolled (PECOS I20220414001820); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,933 in Arizona → Look up another NPI →
Also registered at 4131 N 24TH St Ste B102
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karissa Eileen Cain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 270531Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% more Medicare Part D claims than the average family nurse practitioner in 2024
1,600 Medicare Part D claims for 160 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Atorvastatin Calcium130 claims
- Lisinopril87 claims
- Gabapentin73 claims
- Amlodipine Besylate66 claims
- Metformin Hcl66 claims
- Losartan Potassium53 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
- Neighborhood Outreach Access TO HealthPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karissa Eileen Cain among 5,933 family nurse practitioner records in Arizona
Karissa Eileen Cain, DNP, 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 2021, is newer than 66% of them.
- NPI issued2021 · 66% of these records are older, 27% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2021 · median 2019 among the 3,510 with a school on file
- Record last updated2025 · 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
- Susan Brown, APRN-BCPhoenix, AZ 850161821108135
- Tammy Gragg, D.N.P., FNP-C, PMHNPPhoenix, AZ 850161174604946
- Lonna Gutierrez, NPPhoenix, AZ 850161962512111
- Heather Healy, NPPhoenix, AZ 850161669493771
- Lorraine Homes, NPPhoenix, AZ 850161255375481
- Susie Jannusch, FNPPhoenix, AZ 850161518998871
- Timothy Mathews, FNP-CPhoenix, AZ 850161861584187
- Shannon Myers, FNP-CPhoenix, AZ 850161821108747
Common questions
What is Karissa Eileen Cain, DNP, FNP-C's NPI number?
Karissa Eileen Cain, DNP, FNP-C's National Provider Identifier (NPI) is 1235800319, issued on Sep 28, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Karissa Eileen Cain, DNP, FNP-C located?
The NPPES record lists a practice address at 4131 N 24TH St Ste B102, Phoenix, AZ, 85016. Phone: (480) 882-4545. Providers update this record themselves, so call before visiting.
How can I verify Karissa Eileen Cain, DNP, FNP-C's license?
NPPES lists Arizona license number 270531, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Karissa Eileen Cain, DNP, FNP-C prescribe under Medicare Part D?
In 2024, Karissa Eileen Cain, DNP, FNP-C had 1,600 Medicare Part D claims for 160 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.