Carlos Fernandez-Del Castillo, MD
NPI 1699969006 · Surgery Physician · Boston, MA
Carlos Fernandez-Del Castillo, MD is a Surgery Physician organization in Boston, MA (NPI 1699969006).
Provider details
- NPI number
- 1699969006
- Entity type
- Organization
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Carlos Fernandez-Del Castillo, Provider(617) 726-5644
- License
- 78466 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-29
- Last updated
- 2007-08-29
Frequently asked questions
- What is Carlos Fernandez-Del Castillo, MD's NPI number?
- Carlos Fernandez-Del Castillo, MD's National Provider Identifier (NPI) is 1699969006, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Carlos Fernandez-Del Castillo, MD?
- Carlos Fernandez-Del Castillo, MD is classified in the NPPES registry as Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Carlos Fernandez-Del Castillo, MD located?
- Carlos Fernandez-Del Castillo, MD's practice location on file with NPPES is 15 Parkman St, Boston, MA 02114-3117.
- What is Carlos Fernandez-Del Castillo, MD's phone number?
- The practice phone number listed in the NPPES registry for Carlos Fernandez-Del Castillo, MD is (617) 726-5644.
- Who is the authorized official for Carlos Fernandez-Del Castillo, MD?
- The authorized official listed on Carlos Fernandez-Del Castillo, MD's NPPES record is Carlos Fernandez-Del Castillo, Provider. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Carlos Fernandez-Del Castillo, MD's NPI active?
- Yes — Carlos Fernandez-Del Castillo, MD's NPI (1699969006) is active in the NPPES registry as of the last update on 2007-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.