Annie L. Castillo, MD
Hematology & Oncology Physician · Bozeman, MT
Annie L. Castillo, MD is a hematology & oncology physician with a practice address in Bozeman, Montana, and NPI 1902820483, issued on Jul 27, 2006. Check the license (Montana 6439, as entered in NPPES) on the Montana Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Annie L. Castillo
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 6439 MT
Self-reported in NPPES; status is on the state search - Practice location
- 915 Highland Blvd # 3220, Bozeman, MT 59715
- Phone
- (406) 556-5535
- Enumerated
- Jul 27, 2006
- Record last updated
- Oct 11, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 0141011 MT
- Entity
- Type 1 · individual
Verify Annie L. Castillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 6439Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Hematology & Oncology Physician providers in Montana
There are 44 hematology & oncology physician records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other hematology & oncology physician records in Montana
- Elise Anderes, MDKalispell, MT1558535997
- Patrick Beatty, MDMissoula, MT1609803543
- Donald Berdeaux, MDGreat Falls, MT1114934221
- William Boehme, MDKalispell, MT1215022769
- Jennifer Carter, M.DGreat Falls, MT1891136644
- David Christianson, M.D.Billings, MT1770565871
- Patrick Cobb, M.D.Billings, MT1710968219
- William Conkright, MDBozeman, MT1316998362
- Karine Darbinyan, M.D.Helena, MT1134520745
- Troy Fiddler, M.D.Billings, MT1730130311
Common questions
What is Annie L. Castillo, MD's NPI number?
Annie L. Castillo, MD's National Provider Identifier (NPI) is 1902820483, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Annie L. Castillo, MD located?
The NPPES record lists a practice address at 915 Highland Blvd # 3220, Bozeman, MT, 59715. Phone: (406) 556-5535. Providers update this record themselves, so call before visiting.
How can I verify Annie L. Castillo, MD's license?
NPPES lists Montana license number 6439, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.