Katherine Lynn Mattern, PA
Physician Assistant · Merritt Island, FL
Katherine Lynn Mattern, PA is a physician assistant with a practice address in Merritt Island, Florida, and NPI 1417148743, issued on Aug 1, 2007. Check the license (Florida PA9106262, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Katherine Lynn Mattern
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA9106262 FL
Self-reported in NPPES; status is on the state search - Practice location
- 650 S Courtenay Pkwy, Merritt Island, FL 32952
- Phone
- (321) 394-2660
- Enumerated
- Aug 1, 2007
- Record last updated
- Apr 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (321) 394-2669
- Medicare enrollment
- Enrolled (PECOS I20120912000787); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,257 in Florida → Look up another NPI →
Also registered at 650 S Courtenay Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Lynn Mattern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license PA9106262Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average physician assistant in 2024
15 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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 MIPS final score for 2023 (Medicare payment program): 85.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $15.69
1 payment: food and beverage; the largest payer was Smith+Nephew, Inc. The 64,719 providers of this specialty with any payment received $841.65 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 3 group practices
- Ability Health Services And Rehabilitation LPSanford, FL
- Ability Health Services, IncSanford, FL
- Health First Privia Medical GroupIndialantic, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Lynn Mattern among 10,257 physician assistant records in Florida
Katherine Lynn Mattern, PA is one of 10,257 physician assistant records with a practice address in Florida. 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 2007, is newer than 15% of them.
- NPI issued2007 · 15% of these records are older, 79% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2007 · median 2018 among the 5,867 with a school on file
- Record last updated2021 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 physician assistant records list a practice address in Merritt Island
They are 10 of the 768 NPPES records with a practice address in Merritt Island, and 10,257 physician assistant records in Florida.
All 10,257 in Florida → Every provider in Merritt Island → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Christine Cooke, P.A.-CMerritt Island, FL 329521235150004
- Morgan Jackson, PA-CMerritt Island, FL 329521073075453
- Jane Mast, P.A.-CMerritt Island, FL 329521568483337
- Amanda Campbell, PA-CMerritt Island, FL 329531023570801
- Amberle Carlyle, PAMerritt Island, FL 329531316403132
- Maycie Cruz, PA-CMerritt Island, FL 329531679808588
- Rocio Dominguez Aguilar, MHSC, PA-CMerritt Island, FL 329531679357701
- John Macgregor, PA-CMerritt Island, FL 329531649251166
Common questions
What is Katherine Lynn Mattern, PA's NPI number?
Katherine Lynn Mattern, PA's National Provider Identifier (NPI) is 1417148743, issued on Aug 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Lynn Mattern, PA located?
The NPPES record lists a practice address at 650 S Courtenay Pkwy, Merritt Island, FL, 32952. Phone: (321) 394-2660. Providers update this record themselves, so call before visiting.
How can I verify Katherine Lynn Mattern, PA's license?
NPPES lists Florida license number PA9106262, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Lynn Mattern, PA prescribe under Medicare Part D?
In 2024, Katherine Lynn Mattern, PA had 15 Medicare Part D claims; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Katherine Lynn Mattern, PA's MIPS final score?
The 2023 MIPS final score is 85.4 of 100. 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.