Charles K. Martin, PA
Physician Assistant · Wausau, WI
Charles K. Martin, PA is a physician assistant with a practice address in Wausau, Wisconsin, and NPI 1114101813, issued on Dec 18, 2007. Check the license (Wisconsin 3241-23, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charles K. Martin
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 3241-23 WI
10000978A IN
Self-reported in NPPES; status is on the state search - Practice location
- 225000 Hummingbird RD Ste 100, Wausau, WI 54401
- Phone
- (715) 359-6442
- Enumerated
- Dec 18, 2007
- Record last updated
- Jun 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20131204000442); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,475 in Wisconsin → Look up another NPI →
Also registered at 225000 Hummingbird RD Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Charles K. Martin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3241-23Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average physician assistant in 2024
581 Medicare Part D claims for 312 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 211 claims were for opioids.
Most prescribed
- Amoxicillin148 claims
- Oxycodone-Acetaminophen86 claims
- Tramadol Hcl71 claims
- Hydrocodone-Acetaminophen51 claims
- Clindamycin Hcl33 claims
- Meloxicam33 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): 85.4 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).
Bills Medicare through one group practice
- Bone And Joint Clinic S.C.Merrill, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles K. Martin among 3,475 physician assistant records in Wisconsin
Charles K. Martin, PA is one of 3,475 physician assistant records with a practice address in Wisconsin. 81% 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 24% of them.
- NPI issued2007 · 24% of these records are older, 72% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2008 · median 2016 among the 2,491 with a school on file
- Record last updated2021 · 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 363A00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
75 physician assistant records list a practice address in Wausau
They are 75 of the 1,958 NPPES records with a practice address in Wausau, and 3,475 physician assistant records in Wisconsin.
All 3,475 in Wisconsin → Every provider in Wausau → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sarah Becker, PAWausau, WI 544011245255090
- Susan Brown, PA-CWausau, WI 544011861446114
- Barbara Budimlija, PAWausau, WI 544011205841012
- William Fisher, PA-CWausau, WI 544011053427765
- Carla Heiden, PA CWausau, WI 544011548248727
- Daniel Jackson, P.A.Wausau, WI 544011356376230
- David Nash, PA-CWausau, WI 544011679573463
- Julie Rayburn, P.A.Wausau, WI 544011184654899
Common questions
What is Charles K. Martin, PA's NPI number?
Charles K. Martin, PA's National Provider Identifier (NPI) is 1114101813, issued on Dec 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Charles K. Martin, PA located?
The NPPES record lists a practice address at 225000 Hummingbird RD Ste 100, Wausau, WI, 54401. Phone: (715) 359-6442. Providers update this record themselves, so call before visiting.
How can I verify Charles K. Martin, PA's license?
NPPES lists Wisconsin license number 3241-23, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Charles K. Martin, PA prescribe under Medicare Part D?
In 2024, Charles K. Martin, PA had 581 Medicare Part D claims for 312 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Charles K. Martin, PA's MIPS final score?
The 2023 MIPS final score is 85.4 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.