Dr. Katherine Nancy Kamholz, MD
- Medicare services, 2024
- 1,256
- Medicare patients, 2024
- 245
- Part D claims, 2024
- 3,336
- Hospital affiliations
- 3
- Industry payments
- $3,611
- Practice address
- 912 Northwest Hwy, Fox River Grove, IL 60021
- Practice phone
- Call (847) 756-7360
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwest Primary Healthcare, S.C.
Fox River Grove, Illinois
Find Dr. Kamholz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Katherine Nancy Kamholz is an internist in Fox River Grove, Illinois
Dr. Kamholz practices at Northwest Primary Healthcare, S.C. in Fox River Grove, Illinois.
Dr. Kamholz's NPI, 1629062849, was assigned on September 2, 2005. Dr. Kamholz graduated from Southern Illinois University School of Medicine in 1994. Dr. Kamholz holds Illinois license 036095547.
- NPI
- 1629062849NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628084415
- NPI enumeration date
- September 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (847) 756-7360
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine Nancy Kamholz practices at Northwest Primary Healthcare, S.C. in Fox River Grove, Illinois
Dr. Kamholz's primary practice is Northwest Primary Healthcare, S.C., at 912 Northwest Hwy, Fox River Grove, IL 60021 in Mchenry County. The practice phone is (847) 756-7360.
- Northwest Primary Healthcare, S.C.912 Northwest Hwy, Fox River Grove, IL 60021 · Mchenry CountyPhone(847) 756-7360
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Katherine Nancy Kamholz is affiliated with 9 sites of care and 3 medical groups
Dr. Kamholz's primary practice is Northwest Primary Healthcare, S.C. in Fox River Grove, Illinois. Dr. Kamholz is also affiliated with Northwestern Medicine McHenry Hospital. The medical group on file is Dreyer Medical Clinic (Advocate Medical Group). Dmand AI also links Dr. Kamholz to 2 more hospitals, 3 group practices and clinics, 2 medical groups, 1 physician office and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Katherine Nancy Kamholz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kamholz practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwest Primary Healthcare, S.C. | Available with a free account |
| +8 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Katherine Nancy Kamholz is one of 5,652 internists in Illinois
Internal medicine is Dr. Kamholz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kamholz is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Kamholz
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Katherine Nancy Kamholz billed Medicare for 1,256 services in 2024
CMS data shows 1,256 Medicare services from Dr. Kamholz across 17 procedure codes in 2024, for 245 Medicare patients. Medicare paid $93,631 for them. Every service was in an office.
Dr. Kamholz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7432024: 62017%
- Other services
- 2023: 3962024: 31520%
- Tests and treatments
- 2023: 2462024: 19322%
- Surgery
- 2023: 02024: 128
- Lab and pathology
- 2023: 442024: 0100%
Dr. Kamholz compared with the Illinois median for internists, 2024
- Dr. Kamholz
- Illinois median
- Medicare services
- 1,256vs 5662.2 times
- Medicare patients
- 245vs 20818% above
- Part D claims
- 2,896vs 28410.2 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Kamholz's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Kamholz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kamholz and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine Nancy Kamholz treated 245 Medicare patients in 2024, average age 73
CMS counts 245 Medicare patients who saw Dr. Kamholz in 2024. The largest group is 65 to 74, with 156 patients. 75% of them have high cholesterol, and 64% have high blood pressure. Their average risk score is 0.77, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kamholz's median patient age at 66, with 80% women.
Dr. Kamholz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kamholz's Medicare patients by sex, 2024
- Women19178%
- Men5422%
Chronic conditions among Dr. Kamholz's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis36%
- Mood disorders20%
- Depression19%
- Diabetes18%
- Anxiety17%
- Osteoporosis15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kamholz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women80%
- Men19%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Katherine Nancy Kamholz wrote 3,336 Medicare Part D claims in 2024
In 2024, Dr. Kamholz wrote 3,336 Medicare Part D claims for 308 patients. 91% of them were for generic drugs. CMS names the drug for 2,896 of them, across 57 drugs with 11 or more claims each, at $131,464 in total drug cost. In 2023, CMS named 2,711 claims across 60 drugs.
Dr. Kamholz's Part D claims by kind of drug, 2024
- Generic3,039 claims91%
- Brand-name and other297 claims9%
Dr. Kamholz's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Kamholz's Part D claims, 2024
- Antibiotics2%63 of 3,336 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,7112024: 2,8967%
Drugs named by CMS: 57 in 2024, 60 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Katherine Nancy Kamholz offers telehealth to Medicare patients
Dr. Kamholz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kamholz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Katherine Nancy Kamholz received $3,611 in industry payments from 2016 to 2024
CMS Open Payments shows 195 general payments to Dr. Kamholz from 28 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $627.
General payments to Dr. Kamholz by program year, 2016 to 2024
General payments to Dr. Kamholz by kind, 2016 to 2024
- Food and beverage$3,600100%
- Education$110%
Companies that paid Dr. Kamholz the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Katherine Nancy Kamholz graduated from Southern Illinois University School of Medicine
Dr. Kamholz graduated from Southern Illinois University School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Katherine Nancy Kamholz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Katherine Nancy Kamholz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Katherine Nancy Kamholz's NPI number?
Dr. Katherine Nancy Kamholz's NPI number is 1629062849. It was assigned on September 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine Nancy Kamholz?
Dr. Katherine Nancy Kamholz is an internist in Fox River Grove, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Katherine Nancy Kamholz practice?
Dr. Kamholz practices at 912 Northwest Hwy, Fox River Grove, IL 60021. Dr. Kamholz's primary practice is Northwest Primary Healthcare, S.C. in Fox River Grove, Illinois. Dmand AI also links Dr. Kamholz to 2 hospitals, 3 group practices and clinics, 2 medical groups, 1 physician office and 1 home health agency.
What is Dr. Katherine Nancy Kamholz's office phone number?
The practice phone on file for Dr. Kamholz is (847) 756-7360.
What is Dr. Katherine Nancy Kamholz's medical license number?
Dr. Kamholz holds Illinois license 036095547.
Which hospitals is Dr. Katherine Nancy Kamholz affiliated with?
Dr. Kamholz is affiliated with Northwestern Medicine McHenry Hospital. Dmand AI links Dr. Kamholz to 2 more hospitals.
What medical group is Dr. Katherine Nancy Kamholz part of?
Dr. Kamholz is linked to Dreyer Medical Clinic (Advocate Medical Group). Dmand AI links Dr. Kamholz to 2 more medical groups.
Does Dr. Katherine Nancy Kamholz accept Medicare?
Yes. CMS data shows Dr. Kamholz billed Medicare for 1,256 services in 2024, and Dr. Kamholz accepts Medicare assignment.
Does Dr. Katherine Nancy Kamholz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Kamholz as offering telehealth services.
How many Medicare patients does Dr. Katherine Nancy Kamholz see?
CMS counts 245 Medicare patients who saw Dr. Kamholz in 2024, with an average age of 73.
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What services does Dr. Katherine Nancy Kamholz bill to Medicare?
In 2024, Dr. Kamholz's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Katherine Nancy Kamholz go to medical school?
Dr. Kamholz graduated from Southern Illinois University School of Medicine in 1994.
What drugs does Dr. Katherine Nancy Kamholz prescribe most?
In 2024 Medicare Part D data, Dr. Kamholz's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Levothyroxine Sodium.
Has Dr. Katherine Nancy Kamholz received payments from drug or device companies?
CMS Open Payments shows $3,611 in general payments to Dr. Kamholz from 28 companies from 2016 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Katherine Nancy Kamholz been practicing?
Dr. Kamholz graduated from medical school in 1994, 32 years ago.
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