Mark D. Castellani, MD
Clinical Cardiac Electrophysiology Physician · Lansing, MI
Mark D. Castellani, MD is a clinical cardiac electrophysiology physician with a practice address in Lansing, Michigan, and NPI 1598763542, issued on Jul 13, 2005. Check the license (Michigan 4301052699, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Mark D. Castellani
- Credential
- MD
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License number
- 4301052699 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1140 E Michigan Ave Ste 400, Lansing, MI 48912
- Phone
- (517) 364-9650
- Enumerated
- Jul 13, 2005
- Record last updated
- Jun 17, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (517) 364-9605
- Medicaid ID
- 4672978 MI
- Medicare enrollment
- Enrolled (PECOS I20041118000119); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 113 in Michigan → Look up another NPI →
Also registered at 1140 E Michigan Ave Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Appa Bandi, MDCardiovascular Disease Physician1386850709
- Thomas Brown, DOCardiovascular Disease Physician1528066461
- Nam Cho, DOInterventional Cardiology Physician1255339263
- Jennifer Churchill, MSNAcute Care Nurse Practitioner1518443514
Verify Mark D. Castellani in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301052699Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
969 Medicare Part D claims for 250 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Eliquis179 claims
- Sotalol98 claims
- Flecainide Acetate92 claims
- Metoprolol Succinate85 claims
- Xarelto70 claims
- Dofetilide67 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: $394.60
13 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 3,167 providers of this specialty with any payment received $10,651.37 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.
Bills Medicare through one group practice
- Edward W Sparrow Hospital AssociationLansing, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark D. Castellani among 113 clinical cardiac electrophysiology physician records in Michigan
Mark D. Castellani, MD is one of 113 clinical cardiac electrophysiology physician records with a practice address in Michigan. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1988 · median 2002 among the 94 with a school on file
- Record last updated2019 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in Michigan
There are 113 clinical cardiac electrophysiology physician records in Michigan.
All 113 in Michigan → Every provider in Lansing → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Chaun Gandolfo, DOLansing, MI 489121720441884
- John Ip, MDLansing, MI 489121326049032
- Ashok Shah, MDLansing, MI 489121912188400
- Ranjan Thakur, MDLansing, MI 489121093713885
- Mohammad Kanjwal, MDLansing, MI 489101174715916
- Thomas Franzon, M.D.Kalamazoo, MI 490071740676295
- Joel Reinoehl, MDKalamazoo, MI 490071326068347
- Francis Grubelich, MDPortage, MI 490241609838804
Common questions
What is Mark D. Castellani, MD's NPI number?
Mark D. Castellani, MD's National Provider Identifier (NPI) is 1598763542, issued on Jul 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark D. Castellani, MD located?
The NPPES record lists a practice address at 1140 E Michigan Ave Ste 400, Lansing, MI, 48912. Phone: (517) 364-9650. Providers update this record themselves, so call before visiting.
How can I verify Mark D. Castellani, MD's license?
NPPES lists Michigan license number 4301052699, 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 D. Castellani, MD prescribe under Medicare Part D?
In 2024, Mark D. Castellani, MD had 969 Medicare Part D claims for 250 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. 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.