Joanne G. Martin-Koob, PA-C
Physician Assistant · Madison, WI
Joanne G. Martin-Koob, PA-C is a physician assistant with a practice address in Madison, Wisconsin, and NPI 1841642865, issued on Jul 2, 2016. Check the license (Wisconsin 3754-23, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joanne G. Martin-Koob
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 3754-23 WI
3754 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 265-1700
- Enumerated
- Jul 2, 2016
- Record last updated
- Sep 5, 2023
- Medicaid ID
- 1841642865 WI
- Medicare enrollment
- Enrolled (PECOS I20160927000832); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,475 in Wisconsin → Look up another NPI →
Also registered at 600 Highland Ave
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Verify Joanne G. Martin-Koob in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3754-23Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average physician assistant in 2024
227 Medicare Part D claims for 93 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 19 claims were for opioids.
Most prescribed
- Oxycodone Hcl19 claims
- Eliquis18 claims
- Letrozole17 claims
- Sulfamethoxazole-Trimethoprim12 claims
- Megestrol Acetate11 claims
- Tamoxifen Citrate11 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.
Industry payments in 2024: $154.38
2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. 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 one group practice
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanne G. Martin-Koob among 3,475 physician assistant records in Wisconsin
Joanne G. Martin-Koob, PA-C 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 2016, is newer than 53% of them.
- NPI issued2016 · 53% of these records are older, 44% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2016 · median 2016 among the 2,491 with a school on file
- Record last updated2023 · 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).
396 physician assistant records list a practice address in Madison
They are 396 of the 15,014 NPPES records with a practice address in Madison, and 3,475 physician assistant records in Wisconsin.
All 3,475 in Wisconsin → Every provider in Madison → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Erik Bonifas, PA CMadison, WI 537921093779688
- Kimberly Buchta, PAMadison, WI 537921194830927
- Nicole Fletchall, PA-CMadison, WI 537921871783944
- Jill Guenther, PAMadison, WI 537921770548489
- Myra Kemna, PA-CMadison, WI 537921649219387
- Dawn McComb, PA-CMadison, WI 537921437145760
- Joelle Mulroy Cluff, PA-CMadison, WI 537921275631046
- Alicia Purdin, PAMadison, WI 537921649234204
Common questions
What is Joanne G. Martin-Koob, PA-C's NPI number?
Joanne G. Martin-Koob, PA-C's National Provider Identifier (NPI) is 1841642865, issued on Jul 2, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Joanne G. Martin-Koob, PA-C located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 265-1700. Providers update this record themselves, so call before visiting.
How can I verify Joanne G. Martin-Koob, PA-C's license?
NPPES lists Wisconsin license number 3754-23, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Joanne G. Martin-Koob, PA-C prescribe under Medicare Part D?
In 2024, Joanne G. Martin-Koob, PA-C had 227 Medicare Part D claims for 93 beneficiaries; the average among physician assistant prescribers was 830. 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.