Mark Anthony N Del Castillo, MD
Hospitalist Physician · Lakeview, MI
Mark Anthony N Del Castillo, MD is a hospitalist physician with a practice address in Lakeview, Michigan, and NPI 1215169511, issued on Aug 20, 2009. Check the license (Michigan 4301101217, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Mark Anthony N Del Castillo
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 4301101217 MI
9740416-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 418 Washington St, Lakeview, MI 48850
- Phone
- (989) 352-6474
- Enumerated
- Aug 20, 2009
- Record last updated
- Sep 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161007001512); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 272 in Michigan → Look up another NPI →
Also registered at 418 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Denise Docter, MSWClinical Social Worker1437548542
- Steven Fahlen, DOEmergency Medicine Physician1427128941
- Brooke Hansen, PA-CPhysician Assistant1033591805
- Lora Hansen, PAPhysician Assistant1245630698
- Michele Miles, PA-CPhysician Assistant1700075181
- Ryan Norris, PTPhysical Therapist1669974465
Verify Mark Anthony N Del Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301101217Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average hospitalist physician in 2024
245 Medicare Part D claims for 89 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Furosemide17 claims
- Pantoprazole Sodium17 claims
- Prednisone12 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
- Utah Regional Hospitalists LLCSalt Lake City, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Anthony N Del Castillo among 272 hospitalist physician records in Michigan
Mark Anthony N Del Castillo, MD is one of 272 hospitalist physician records with a practice address in Michigan. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 43% of them.
- NPI issued2009 · 43% of these records are older, 53% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2006 · median 2009 among the 229 with a school on file
- Record last updated2018 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 hospitalist physician record lists a practice address in Lakeview
They are 1 of the 44 NPPES records with a practice address in Lakeview, and 272 hospitalist physician records in Michigan.
All 272 in Michigan → Every provider in Lakeview → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Manohar Chintu, M.DLansing, MI 489121841441912
- Victor ElgabalawiLansing, MI 489121104143296
- Amrita JaswaLansing, MI 489121467834408
- Kelly Morgan, MDLansing, MI 489121750474771
- Anisha Timilsina, MDLansing, MI 489121730751249
- Praveen Vemula, MDLansing, MI 489121891958922
- Wajid Khan, MDKalamazoo, MI 490071649208448
- James Mackay, MDKalamazoo, MI 490071982684320
Common questions
What is Mark Anthony N Del Castillo, MD's NPI number?
Mark Anthony N Del Castillo, MD's National Provider Identifier (NPI) is 1215169511, issued on Aug 20, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mark Anthony N Del Castillo, MD located?
The NPPES record lists a practice address at 418 Washington St, Lakeview, MI, 48850. Phone: (989) 352-6474. Providers update this record themselves, so call before visiting.
How can I verify Mark Anthony N Del Castillo, MD's license?
NPPES lists Michigan license number 4301101217, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Anthony N Del Castillo, MD prescribe under Medicare Part D?
In 2024, Mark Anthony N Del Castillo, MD had 245 Medicare Part D claims for 89 beneficiaries; the average among hospitalist physician prescribers was 521. 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.