Hannah Castillo, MD
NPI 1720770589 · Family Medicine Physician · Duluth, MN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hannah Castillo, MD is a Family Medicine Physician provider in Duluth, MN (NPI 1720770589).
Provider details
- NPI number
- 1720770589
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 33627 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 37 |
| Amlodipine Besylate | 20 |
| Losartan Potassium | 19 |
| Gabapentin | 17 |
| Levothyroxine Sodium | 17 |
| Metformin Hclbrand: Metformin Hcl Er | 16 |
| Trazodone Hcl | 13 |
| Pen Needle, Diabeticbrand: Easy Touch Pen Needle | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-05-22
- Last updated
- 2023-05-22
- Certified
- 2023-05-22
Frequently asked questions
- What is Hannah Castillo's NPI number?
- Hannah Castillo's National Provider Identifier (NPI) is 1720770589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hannah Castillo's specialty?
- Hannah Castillo is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hannah Castillo located?
- Hannah Castillo's practice location on file with NPPES is 330 N 8th Ave E, Duluth, MN 55805-2024.
- What is Hannah Castillo's phone number?
- The practice phone number listed in the NPPES registry for Hannah Castillo is (218) 723-1112.
- Does Hannah Castillo accept Medicare?
- Hannah Castillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hannah Castillo's NPI active?
- Yes — Hannah Castillo's NPI (1720770589) is active in the NPPES registry as of the last update on 2023-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.