NPPES file of Aug 9, 2026

Hannah Jane Castillo, MD

Family Medicine Physician · Duluth, MN

Hannah Jane 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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720770589
Name
Hannah Jane 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
Record last updated
May 22, 2023
Medicare enrollment
Enrolled (PECOS I20250131001002); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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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.

  1. Sarah Baker, MDFamily Medicine Physician1609711423
  2. Patrick Barthman, DOFamily Medicine Physician1285329458
  3. Kaila Berger, MDFamily Medicine Physician1760231526
  4. Ethan Burlingame, DOFamily Medicine Physician1457926842
  5. Juliette CookeStudent in an Organized Health Care Education/Training Program1689519464
  6. Heather Danckwart, MDFamily Medicine Physician1699092130

Verify Hannah Jane Castillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 33627
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Minnesota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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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 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Hannah Castillo351
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium37 claims
  2. Amlodipine Besylate20 claims
  3. Losartan Potassium19 claims
  4. Gabapentin17 claims
  5. Levothyroxine Sodium17 claims
  6. 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.

Bills Medicare through one group practice

  1. Polinsky Medical Rehabilitation CenterDuluth, MN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hannah Jane Castillo among 3,985 family medicine physician records in Minnesota

Hannah Jane Castillo, MD is one of 3,985 family medicine physician records with a practice address in Minnesota. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 97% of them.

  • NPI issued2023 · 97% of these records are older, 2% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2023 · median 2006 among the 2,483 with a school on file
  • Record last updated2023 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

153 family medicine physician records list a practice address in Duluth

They are 153 of the 4,084 NPPES records with a practice address in Duluth, and 3,985 family medicine physician records in Minnesota.

The 8 family medicine physician records with the nearest ZIP codes

  1. Craig Anderson, M.D.Duluth, MN 558051871528737
  2. Gary JonesDuluth, MN 558051568408227
  3. Jennifer Jones, M.D.Duluth, MN 558051023043908
  4. Faris KeelingDuluth, MN 558051912931627
  5. Deborah KingDuluth, MN 558051457385130
  6. Kim Kruger, M.D.Duluth, MN 558051982694220
  7. Jeffrey Lewis, MDDuluth, MN 558051376531871
  8. Emily Onello, MDDuluth, MN 558051962452359

Common questions

What is Hannah Jane Castillo, MD's NPI number?

Hannah Jane 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 Jane 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 Jane 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 Jane Castillo, MD prescribe under Medicare Part D?

In 2024, Hannah Jane Castillo, MD had 351 Medicare Part D claims for 56 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.