Katherine Lynn Castillo, MSN
Family Nurse Practitioner · Munster, IN
Katherine Lynn Castillo, MSN is a family nurse practitioner with a practice address in Munster, Indiana, and NPI 1598067746, issued on Nov 20, 2010. Check the license (Indiana 71003535A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Lynn Castillo
- Credential
- MSN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 71003535A IN
28169270A IN
Self-reported in NPPES; status is on the state search - Practice location
- 701 Superior Ave Ste 3400, Munster, IN 46321
- Phone
- (219) 934-9818
- Enumerated
- Nov 20, 2010
- Record last updated
- Mar 23, 2026
- Fax
- (219) 934-9815
- Medicare enrollment
- Enrolled (PECOS I20180131001155); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,867 in Indiana → Look up another NPI →
Also registered at 701 Superior Ave Ste 3400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Lynn Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 71003535ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average family nurse practitioner in 2024
244 Medicare Part D claims for 81 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Estradiol40 claims
- Fluconazole26 claims
- Triamcinolone Acetonide16 claims
- Premarin15 claims
- Medroxyprogesterone Acetate13 claims
- Metronidazole12 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.
Bills Medicare through one group practice
- Franciscan Physician NetworkMunster, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Lynn Castillo among 5,867 family nurse practitioner records in Indiana
Katherine Lynn Castillo, MSN is one of 5,867 family nurse practitioner records with a practice address in Indiana. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 15% of them.
- NPI issued2010 · 15% of these records are older, 83% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2010 · median 2018 among the 3,953 with a school on file
- Record last updated2026 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
126 family nurse practitioner records list a practice address in Munster
They are 126 of the 1,515 NPPES records with a practice address in Munster, and 5,867 family nurse practitioner records in Indiana.
All 5,867 in Indiana → Every provider in Munster → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Patricia Bais, NPMunster, IN 463211679710487
- Kathleen Cole, NPMunster, IN 463211417903600
- Tammie Erdelac, NPMunster, IN 463211629247713
- Linda Gatto, NURSE PRACTITIONERMunster, IN 463211497799639
- Jolene Gelarden, RN, MS, FNPMunster, IN 463211114119278
- Vicki Lackey, ANPMunster, IN 463211760421663
- Louanne Lowrance, NPMunster, IN 463211861446775
- Stacy Nelson, N.P.Munster, IN 463211962510222
Common questions
What is Katherine Lynn Castillo, MSN's NPI number?
Katherine Lynn Castillo, MSN's National Provider Identifier (NPI) is 1598067746, issued on Nov 20, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Lynn Castillo, MSN located?
The NPPES record lists a practice address at 701 Superior Ave Ste 3400, Munster, IN, 46321. Phone: (219) 934-9818. Providers update this record themselves, so call before visiting.
How can I verify Katherine Lynn Castillo, MSN's license?
NPPES lists Indiana license number 71003535A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Lynn Castillo, MSN prescribe under Medicare Part D?
In 2024, Katherine Lynn Castillo, MSN had 244 Medicare Part D claims for 81 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.