Katherine Mattison, FNP-C
Nurse Practitioner · Moreno Valley, CA
Katherine Mattison, FNP-C is a nurse practitioner with a practice address in Moreno Valley, California, and NPI 1104215888, issued on Jan 17, 2015. Check the license (California NP95001682, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Mattison
- Credential
- FNP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- NP95001682 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26520 Cactus Ave, Moreno Valley, CA 92555
- Phone
- (951) 486-4000
- Enumerated
- Jan 17, 2015
- Record last updated
- Jan 17, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150623002815); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 26520 Cactus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Barbara Ackerman, PH.D.Clinical Psychologist1639126410
- Sana Afroz, MDRheumatology Physician1356724074
- Georgina Aguilar-Portillo, MDFamily Medicine Physician1144804691
- Adolfo Aguilera, MDFamily Medicine Physician1477609808
Verify Katherine Mattison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP95001682Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average nurse practitioner in 2024
182 Medicare Part D claims for 25 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Exemestane29 claims
- Anastrozole27 claims
- Lenalidomide15 claims
- Imatinib Mesylate14 claims
- Letrozole14 claims
- Acyclovir12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $57.91
3 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Mattison among 8,223 nurse practitioner records in California
Katherine Mattison, FNP-C is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 45% of them.
- NPI issued2015 · 45% of these records are older, 52% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2014 · median 2017 among the 3,425 with a school on file
- Record last updated2015 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 nurse practitioner records list a practice address in Moreno Valley
They are 26 of the 2,698 NPPES records with a practice address in Moreno Valley, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Moreno Valley → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Lindsey Block, NPMoreno Valley, CA 925551851645642
- Cecelia Cartman Seals, N.PMoreno Valley, CA 925551730571209
- Benjamin Caudill, RN, MSN, FNP-CMoreno Valley, CA 925551871140772
- Magen CostillaMoreno Valley, CA 925551023756194
- Vivian Galvan, F.N.P.Moreno Valley, CA 925551588944276
- Rosilyn Kattiyaman, APRNMoreno Valley, CA 925551215407358
- Jen-Gu LinMoreno Valley, CA 925551922350537
- Krystal Lott, NPMoreno Valley, CA 925551649787789
Common questions
What is Katherine Mattison, FNP-C's NPI number?
Katherine Mattison, FNP-C's National Provider Identifier (NPI) is 1104215888, issued on Jan 17, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Mattison, FNP-C located?
The NPPES record lists a practice address at 26520 Cactus Ave, Moreno Valley, CA, 92555. Phone: (951) 486-4000. Providers update this record themselves, so call before visiting.
How can I verify Katherine Mattison, FNP-C's license?
NPPES lists California license number NP95001682, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Mattison, FNP-C prescribe under Medicare Part D?
In 2024, Katherine Mattison, FNP-C had 182 Medicare Part D claims for 25 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Katherine Mattison, FNP-C's MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.