Katherine Nancy Kamholz, M.D.
Internal Medicine Physician · Fox River Grove, IL
Katherine Nancy Kamholz, M.D. is an internal medicine physician with a practice address in Fox River Grove, Illinois, and NPI 1629062849, issued on Sep 2, 2005. Check the license (Illinois 036095547, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Katherine Nancy Kamholz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036095547 IL
Self-reported in NPPES; status is on the state search - Practice location
- 912 Northwest Hwy Ste 107, Fox River Grove, IL 60021
- Phone
- (847) 462-5100
- Enumerated
- Sep 2, 2005
- Record last updated
- Aug 13, 2024
- Medicaid ID
- 036095547 IL
- Medicare enrollment
- Enrolled (PECOS I20060306000065); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Verify Katherine Nancy Kamholz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036095547Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average internal medicine physician in 2024
3,336 Medicare Part D claims for 308 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium425 claims
- Lisinopril228 claims
- Levothyroxine Sodium177 claims
- Escitalopram Oxalate115 claims
- Hydrochlorothiazide113 claims
- Rosuvastatin Calcium111 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): 5.9 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: $275.76
2 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Advocate Health And Hospitals CorporationFox River Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
5 internal medicine physician records list a practice address in Fox River Grove
They are 5 of the 72 NPPES records with a practice address in Fox River Grove, and 7,238 internal medicine physician records in Illinois.
All 5 in Fox River Grove → All 7,238 in Illinois → Every provider in Fox River Grove →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Elmer Abbo, MDBurr Ridge, IL1710048541
- Paul Abbo, M.D.River Forest, IL1083693378
Common questions
What is Katherine Nancy Kamholz, M.D.'s NPI number?
Katherine Nancy Kamholz, M.D.'s National Provider Identifier (NPI) is 1629062849, issued on Sep 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Nancy Kamholz, M.D. located?
The NPPES record lists a practice address at 912 Northwest Hwy Ste 107, Fox River Grove, IL, 60021. Phone: (847) 462-5100. Providers update this record themselves, so call before visiting.
How can I verify Katherine Nancy Kamholz, M.D.'s license?
NPPES lists Illinois license number 036095547, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Nancy Kamholz, M.D. prescribe under Medicare Part D?
In 2024, Katherine Nancy Kamholz, M.D. had 3,336 Medicare Part D claims for 308 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Katherine Nancy Kamholz, M.D.'s MIPS final score?
The 2023 MIPS final score is 5.9 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.