Carlos Alejandro Portales Castillo, MD
Infectious Disease Physician · Rochester, NY
Carlos Alejandro Portales Castillo, MD is an infectious disease physician with a practice address in Rochester, New York, and NPI 1669081378, issued on Jul 28, 2020. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Carlos Alejandro Portales Castillo
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 2024041913 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1425 Portland Ave, Rochester, NY 14621
- Phone
- (585) 922-4000
- Enumerated
- Jul 28, 2020
- Record last updated
- May 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20250421002391); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 970 in New York → Look up another NPI →
Also registered at 1425 Portland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abdullah Abdullah, MDCardiovascular Disease Physician1073965042
- Mouhamed Yazan Abou-Ismail, M.D.Hematology & Oncology Physician1336553676
Verify Carlos Alejandro Portales Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average infectious disease physician in 2024
77 Medicare Part D claims for 28 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
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
- Ssm Health Care GroupSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carlos Alejandro Portales Castillo among 970 infectious disease physician records in New York
Carlos Alejandro Portales Castillo, MD is one of 970 infectious disease physician records with a practice address in New York. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 96% of them.
- NPI issued2020 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2019 · median 2002 among the 624 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in New York
There are 970 infectious disease physician records in New York.
All 970 in New York → Every provider in Rochester → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Abhimanyu Aggarwal, MDRochester, NY 146211083169742
- Ghinwa Dumyati, MDRochester, NY 146211154352318
- Coley Duncan, MDRochester, NY 146211720135601
- Ann Falsey, MDRochester, NY 146211093740532
- Mary Hinkle, M.D.Rochester, NY 146211447240106
- Maryrose Laguio-Vila, M.D.Rochester, NY 146211144454836
- Emil Lesho, D.O.Rochester, NY 146211982622536
- Yoshihiko Murata, MDRochester, NY 146211013949080
Common questions
What is Carlos Alejandro Portales Castillo, MD's NPI number?
Carlos Alejandro Portales Castillo, MD's National Provider Identifier (NPI) is 1669081378, issued on Jul 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Carlos Alejandro Portales Castillo, MD located?
The NPPES record lists a practice address at 1425 Portland Ave, Rochester, NY, 14621. Phone: (585) 922-4000. Providers update this record themselves, so call before visiting.
How can I verify Carlos Alejandro Portales Castillo, MD's license?
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 Carlos Alejandro Portales Castillo, MD prescribe under Medicare Part D?
In 2024, Carlos Alejandro Portales Castillo, MD had 77 Medicare Part D claims for 28 beneficiaries; the average among infectious disease physician prescribers was 689. 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.