Hannah Castillo, MD
Family Medicine Physician · Duluth, MN
Hannah Castillo, MD is a family medicine physician with a practice address in Duluth, Minnesota, and NPI 1720770589, issued on May 22, 2023. Check the license (Minnesota 33627, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Hannah Castillo
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 33627 MN
Self-reported in NPPES; status is on the state search - Practice location
- 330 N 8TH Ave E, Duluth, MN 55805
- Phone
- (218) 723-1112
- Enumerated
- May 22, 2023
- Entity
- Type 1 · individual
Also registered at 330 N 8TH Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Baker, MDFamily Medicine Physician1609711423
- Patrick Barthman, DOFamily Medicine Physician1285329458
- Kaila Berger, MDFamily Medicine Physician1760231526
- Ethan Burlingame, DOFamily Medicine Physician1457926842
- Juliette CookeStudent in an Organized Health Care Education/Training Program1689519464
- Heather Danckwart, MDFamily Medicine Physician1699092130
Verify Hannah Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 33627Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
90% fewer Medicare Part D claims than the average family medicine physician in 2024
351 Medicare Part D claims for 56 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium37 claims
- Amlodipine Besylate20 claims
- Losartan Potassium19 claims
- Gabapentin17 claims
- Levothyroxine Sodium17 claims
- Metformin Hcl Er16 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.
One hospital or facility affiliation
- Polinsky Medical Rehabilitation CenterDuluth, MN
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
158 family medicine physician records list a Duluth practice address
They are 158 of the 4,084 NPPES records with a Duluth practice address, and 3,876 family medicine physician records in Minnesota.
All 158 in Duluth → All 3,876 in Minnesota → Every provider in Duluth →
Other family medicine physician records in Minnesota
- Allison AaseMinneapolis, MN1255028239
- Lise Aasheim, M.D.Albert Lea, MN1871571851
- Cherry Abary, D.O.Eden Prairie, MN1821019712
- Jihan Abbott, D.O.Woodbury, MN1306138870
- Mona Abdel-Bary, MBBCHFridley, MN1689067860
- Yasmin Abdulaya, MDSaint Cloud, MN1437892536
- Bangean Abdullah, MDCoon Rapids, MN1952363137
- Melika AbdulwhabMinnetonka, MN1538662515
- Ryan Aberle, MDRobbinsdale, MN1639732928
- Gregory Abler, MDMorris, MN1609889740
Common questions
What is Hannah Castillo, MD's NPI number?
Hannah Castillo, MD's National Provider Identifier (NPI) is 1720770589, issued on May 22, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Hannah Castillo, MD located?
The NPPES record lists a practice address at 330 N 8TH Ave E, Duluth, MN, 55805. Phone: (218) 723-1112. Providers update this record themselves, so call before visiting.
How can I verify Hannah Castillo, MD's license?
NPPES lists Minnesota license number 33627, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hannah Castillo, MD prescribe under Medicare Part D?
In 2024, Hannah Castillo, MD had 351 Medicare Part D claims for 56 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.