Katherine Frigo, DNP, APRN, AGPCNP-BC
Nurse Practitioner · Naperville, IL
Katherine Frigo, DNP, APRN, AGPCNP-BC is a nurse practitioner with a practice address in Naperville, Illinois, and NPI 1487251096, issued on Oct 6, 2020. Check the license (Illinois 209022872, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Frigo
- Credential
- DNP, APRN, AGPCNP-BC
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 209022872 IL
041385203 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1020 E Ogden Ave, Naperville, IL 60563
- Phone
- (630) 545-7565
- Enumerated
- Oct 6, 2020
- Record last updated
- Jun 30, 2023
- Fax
- (630) 545-7580
- Medicare enrollment
- Enrolled (PECOS I20211228000410); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2020
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 1020 E Ogden Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Frigo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209022872Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average nurse practitioner in 2024
245 Medicare Part D claims for 108 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 18 claims were for opioids.
Most prescribed
- Clopidogrel86 claims
- Xarelto32 claims
- Atorvastatin Calcium19 claims
- Hydrocodone-Acetaminophen16 claims
- Sulfamethoxazole-Trimethoprim14 claims
- Cilostazol12 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: $1,334.69
20 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 38,884 providers of this specialty with any payment received $791.64 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.
2 hospitals and group practices
- Loyola University Medical CenterMaywood, IL · Acute Care Hospitals2 of 5 stars
- Dupage Medical Group LtdWinfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Katherine Frigo among 4,892 nurse practitioner records in Illinois
Katherine Frigo, DNP, APRN, AGPCNP-BC is one of 4,892 nurse practitioner records with a practice address in Illinois. 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 2020, is newer than 61% of them.
- NPI issued2020 · 61% of these records are older, 33% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2020 · median 2018 among the 3,389 with a school on file
- Record last updated2023 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
122 nurse practitioner records list a practice address in Naperville
They are 122 of the 4,634 NPPES records with a practice address in Naperville, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Naperville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Courtney Alvarez, APN-CNPNaperville, IL 605631841784139
- Taryrsha Davis, APNNaperville, IL 605631821552761
- Matthew De La Torre, APN-CNPNaperville, IL 605631043714165
- Danielle Degrado, APN-CNPNaperville, IL 605631942758776
- Lori Ellis, FNP-BCNaperville, IL 605631780128249
- Godwin Roy Flores, FNP-CNaperville, IL 605631366095333
- Kristin Genslinger, NPNaperville, IL 605631376192252
- Katelyn Hazelett, NPNaperville, IL 605631700393139
Common questions
What is Katherine Frigo, DNP, APRN, AGPCNP-BC's NPI number?
Katherine Frigo, DNP, APRN, AGPCNP-BC's National Provider Identifier (NPI) is 1487251096, issued on Oct 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Frigo, DNP, APRN, AGPCNP-BC located?
The NPPES record lists a practice address at 1020 E Ogden Ave, Naperville, IL, 60563. Phone: (630) 545-7565. Providers update this record themselves, so call before visiting.
How can I verify Katherine Frigo, DNP, APRN, AGPCNP-BC's license?
NPPES lists Illinois license number 209022872, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Frigo, DNP, APRN, AGPCNP-BC prescribe under Medicare Part D?
In 2024, Katherine Frigo, DNP, APRN, AGPCNP-BC had 245 Medicare Part D claims for 108 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.