Carlos Fernandez-Del-Castillo, MD
Surgery Physician · Boston, MA
Carlos Fernandez-Del-Castillo, MD is a surgery physician with a practice address in Boston, Massachusetts, and NPI 1225029788, issued on Nov 3, 2005. Check the license (Massachusetts 78466, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Carlos Fernandez-Del-Castillo
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 78466 MA
Self-reported in NPPES; status is on the state search - Practice location
- 15 Parkman St, Boston, MA 02114
- Phone
- (617) 726-5644
- Enumerated
- Nov 3, 2005
- Record last updated
- Dec 3, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (617) 724-3383
- Medicaid ID
- 3081826 MA
- Medicare enrollment
- Enrolled (PECOS I20040722000161); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,003 in Massachusetts → Look up another NPI →
Also registered at 15 Parkman St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carlos Fernandez-Del-Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 78466Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average surgery physician in 2024
127 Medicare Part D claims for 43 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 78% of claims.
Most prescribed
- Creon77 claims
- Zenpep16 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
- Massachusetts General Physicians Organization IncRevere, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carlos Fernandez-Del-Castillo among 1,003 surgery physician records in Massachusetts
Carlos Fernandez-Del-Castillo, MD is one of 1,003 surgery physician records with a practice address in Massachusetts. 66% 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, 87% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1982 · median 2003 among the 503 with a school on file
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
443 surgery physician records list a practice address in Boston
They are 443 of the 41,865 NPPES records with a practice address in Boston, and 1,003 surgery physician records in Massachusetts.
All 1,003 in Massachusetts → Every provider in Boston → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Hugh Auchincloss, MDBoston, MA 021141689655664
- David Berger, MDBoston, MA 021141710977327
- A Benedict Cosimi, MDBoston, MA 021141184614364
- Francis Delmonico, MDBoston, MA 021141518958446
- Charles Ferguson, MDBoston, MA 021141194716746
- Randall Gaz, MDBoston, MA 021141801886718
- Allan Goldstein, MDBoston, MA 021141124019740
- Kevin Hughes, MDBoston, MA 021141437140993
Common questions
What is Carlos Fernandez-Del-Castillo, MD's NPI number?
Carlos Fernandez-Del-Castillo, MD's National Provider Identifier (NPI) is 1225029788, issued on Nov 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Carlos Fernandez-Del-Castillo, MD located?
The NPPES record lists a practice address at 15 Parkman St, Boston, MA, 02114. Phone: (617) 726-5644. Providers update this record themselves, so call before visiting.
How can I verify Carlos Fernandez-Del-Castillo, MD's license?
NPPES lists Massachusetts license number 78466, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Carlos Fernandez-Del-Castillo, MD prescribe under Medicare Part D?
In 2024, Carlos Fernandez-Del-Castillo, MD had 127 Medicare Part D claims for 43 beneficiaries; the average among surgery physician prescribers was 147. 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.