Kathleen Serafica Castillo, MD
Nephrology Physician · Bowling Green, KY
Kathleen Serafica Castillo, MD is a nephrology physician with a practice address in Bowling Green, Kentucky, and NPI 1891374617, issued on Apr 7, 2021. Check the license (Kentucky 61484, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Kathleen Serafica Castillo
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 61484 KY
35.153478 OH
Self-reported in NPPES; status is on the state search - Practice location
- 720 E 2ND Ave Ste 203, Bowling Green, KY 42101
- Phone
- (270) 843-5114
- Enumerated
- Apr 7, 2021
- Record last updated
- Aug 3, 2026
- Fax
- (270) 745-1230
- Medicare enrollment
- Enrolled (PECOS I20260327002650); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 174 in Kentucky → Look up another NPI →
Verify Kathleen Serafica Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 61484Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average nephrology physician in 2024
252 Medicare Part D claims for 34 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Atorvastatin Calcium26 claims
- Lisinopril18 claims
- Diclofenac Sodium12 claims
- Easy Touch Alcohol Prep Pads12 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: $38.10
2 payments; by number, the most common kind was food and beverage; the largest payer was Nxstage Medical, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Kathleen Serafica Castillo among 174 nephrology physician records in Kentucky
Kathleen Serafica Castillo, MD is one of 174 nephrology physician records with a practice address in Kentucky. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 98% of them.
- NPI issued2021 · 98% of these records are older, 0% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2004 · median 2003 among the 146 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Kentucky
There are 174 nephrology physician records in Kentucky.
All 174 in Kentucky → Every provider in Bowling Green → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Arrsh Bajaj, M.B.B.SBowling Green, KY 421011659900827
- Ali BaltajiBowling Green, KY 421011912559691
- Dilek Elbistan, M.D.Bowling Green, KY 421011083969893
- Julie Isaac, MDBowling Green, KY 421011316930647
- Carlos Rotellar, M.D.Bowling Green, KY 421011891758439
- Jennifer Shuemaker, M.D.Bowling Green, KY 421011174784466
- Scott Sims, M.D.Bowling Green, KY 421011568425106
- Grant Gallimore, M.D.Murray, KY 420711750672234
Common questions
What is Kathleen Serafica Castillo, MD's NPI number?
Kathleen Serafica Castillo, MD's National Provider Identifier (NPI) is 1891374617, issued on Apr 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Serafica Castillo, MD located?
The NPPES record lists a practice address at 720 E 2ND Ave Ste 203, Bowling Green, KY, 42101. Phone: (270) 843-5114. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Serafica Castillo, MD's license?
NPPES lists Kentucky license number 61484, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathleen Serafica Castillo, MD prescribe under Medicare Part D?
In 2024, Kathleen Serafica Castillo, MD had 252 Medicare Part D claims for 34 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.