Alejandro Castillo
NPI 1073274361 · Anesthesiologist Assistant · Washington, DC
Enrolled with Medicare as Practitioner - Anesthesiology Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alejandro Castillo is a Anesthesiologist Assistant provider in Washington, DC (NPI 1073274361).
Provider details
- NPI number
- 1073274361
- Entity type
- Individual
- Primary specialty
- Anesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
83 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 28 | $87 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 18 | $93 |
| Anesthesia for Procedure on Gallbladder, Pancreas, Or Liver Using an Endoscope00732 | 13 | $123 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 12 | $77 |
| Anesthesia for Other Procedure on Lower Leg, Ankle, and Foot Bones01480 | 12 | $132 |
Typical Medicare-allowed amounts for these services range $77–$132 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-01-07
- Last updated
- 2022-11-18
- Certified
- 2022-11-18
Frequently asked questions
- What is Alejandro Castillo's NPI number?
- Alejandro Castillo's National Provider Identifier (NPI) is 1073274361, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alejandro Castillo's specialty?
- Alejandro Castillo is listed in the NPPES registry with a primary specialty of Anesthesiologist Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alejandro Castillo located?
- Alejandro Castillo's practice location on file with NPPES is 3800 Reservoir Rd Nw, Washington, DC 20007-2113.
- What is Alejandro Castillo's phone number?
- The practice phone number listed in the NPPES registry for Alejandro Castillo is (202) 444-2000.
- Does Alejandro Castillo accept Medicare?
- Alejandro Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alejandro Castillo's NPI active?
- Yes — Alejandro Castillo's NPI (1073274361) is active in the NPPES registry as of the last update on 2022-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.