Mario Castellanos
Internal Medicine Physician · Staten Island, NY
Mario Castellanos is an internal medicine physician with a practice address in Staten Island, New York, and NPI 1548243611, issued on Nov 22, 2005. Check the license (New York 213339, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mario Castellanos
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 213339 NY
Self-reported in NPPES; status is on the state search - Practice location
- 242 Mason Ave, Staten Island, NY 10305
- Phone
- (718) 226-9464
- Enumerated
- Nov 22, 2005
- Record last updated
- Feb 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 02023545 NY
- Medicare enrollment
- Enrolled (PECOS I20080320000552); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 1991
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 242 Mason Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Briana Calcagno- DaviClinical Psychologist1609484377
- Kimberly Collins, M.S./O.T.R./L.Occupational Therapist1669783536
- Irene Constantinou, OTR/LPhysical Rehabilitation Occupational Therapist1477373827
- Vincent DechavezInternal Medicine Physician1518352244
Verify Mario Castellanos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 213339Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,941 Medicare Part D claims for 104 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium168 claims
- Losartan Potassium90 claims
- Pantoprazole Sodium71 claims
- Nifedipine Er65 claims
- Amlodipine Besylate62 claims
- Lisinopril61 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.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $17.37
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 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
- North Shore-Lij Medical PCStaten Island, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mario Castellanos among 12,067 internal medicine physician records in New York
Mario Castellanos is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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, 92% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1991 · median 2002 among the 7,221 with a school on file
- Record last updated2008 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
298 internal medicine physician records list a practice address in Staten Island
They are 298 of the 12,351 NPPES records with a practice address in Staten Island, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Staten Island → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Garbis Dabaghian, MDStaten Island, NY 103051417930546
- Aaron Gottesman, MDStaten Island, NY 103051225028319
- Marianne Hamra, MDStaten Island, NY 103051225007941
- Chadik Hewlett, MDStaten Island, NY 103051134119662
- Ellen Koffler, MDStaten Island, NY 103051164460317
- Hartman Martin, MDStaten Island, NY 103051467442905
- Beatrice Nogueira, MDStaten Island, NY 103051003885724
- Marina Royzman, MDStaten Island, NY 103051568410710
Common questions
What is Mario Castellanos's NPI number?
Mario Castellanos's National Provider Identifier (NPI) is 1548243611, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mario Castellanos located?
The NPPES record lists a practice address at 242 Mason Ave, Staten Island, NY, 10305. Phone: (718) 226-9464. Providers update this record themselves, so call before visiting.
How can I verify Mario Castellanos's license?
NPPES lists New York license number 213339, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mario Castellanos prescribe under Medicare Part D?
In 2024, Mario Castellanos had 1,941 Medicare Part D claims for 104 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Mario Castellanos's MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.