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Dr. Annie L. Castillo, MD
NPI1902820483
- Medicare services, 2022
- 226
- Part D claims, 2022
- 82
- Publications
- 1
- Industry payments
- $76
- State license
- 1
- Practice address
- 915 Highland Blvd, Bozeman, MT 59715
- Practice phone
- Call (406) 556-5535
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Castillo's professional email, personal email and mobile number
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Dr. Annie L. Castillo is a hematologist and oncologist in Bozeman, Montana
Dr. Castillo practices in Bozeman, Montana.
Dr. Castillo's NPI, 1902820483, was assigned on July 27, 2006. Dr. Castillo graduated from University of Texas Medical Branch at Galveston in 1984. Dr. Castillo holds Montana license 6439.
NPI and contact details
- NPI
- 1902820483NPI Registry (opens in a new tab)
- NPI enumeration date
- July 27, 2006
- NPI status
- Active
- Practice phone
- (406) 556-5535
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Annie L. Castillo's practice address is in Bozeman, Montana
Dr. Castillo's practice address in the NPI Registry is 915 Highland Blvd, Bozeman, MT 59715, in Gallatin County. The practice phone is (406) 556-5535.
- NPI Registry address915 Highland Blvd, Bozeman, MT 59715 · Gallatin CountyPhone(406) 556-5535
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Annie L. Castillo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Castillo practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Castillo's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Annie L. Castillo is one of 53 hematologists and oncologists in Montana
Hematology and oncology is Dr. Castillo's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Castillo is licensed in Montana.
Specialties and state licenses
- Hematology and oncology, MontanaPrimary
Hematologists and oncologists near Dr. Castillo
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
53hematologists and oncologists in Montana
5hematologists and oncologists in Bozeman
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Annie L. Castillo billed Medicare for 226 services in 2022
CMS data shows 226 Medicare services from Dr. Castillo across 4 procedure codes in 2022. Medicare paid $15,584 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2022226
Paid by Medicare$15,584
Procedure codes4
Dr. Castillo's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 7372022: 22669%
Dr. Castillo compared with the Montana median for hematologists and oncologists, 2022
- Dr. Castillo
- Montana median
- Medicare services
- 226vs 1,05078% below
- Part D claims
- 82vs 48883% below
Medians across 49 hematologists and oncologists in Montana with Dmand AI profiles that report each measure.
Dr. Castillo's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Castillo and other hematologists and oncologists in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Annie L. Castillo's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Castillo's median patient age at 73, with 33% women.
Dr. Castillo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Annie L. Castillo wrote 82 Medicare Part D claims in 2022
In 2022, Dr. Castillo wrote 82 Medicare Part D claims. They cover 5 drugs, with $535,586 in total drug cost. In 2021, CMS named 380 claims across 12 drugs.
Part D claims, 202282
Drugs named by CMS5
Total drug cost$535,586
Dr. Castillo's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 3802022: 8278%
Drugs named by CMS: 5 in 2022, 12 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Annie L. Castillo has 1 publication on record
Dmand AI links 1 paper to Dr. Castillo in 2012. Dr. Castillo's most frequent co-authors are Toaa Abuelenen, MD and Asfiya Yunus, MD.
Papers1
Dr. Castillo's most frequent co-authors
Recent publications by Dr. Castillo
See who Dr. Castillo researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Castillo works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Annie L. Castillo received $76 in industry payments from 2018 to 2022
CMS Open Payments shows 4 general payments to Dr. Castillo from 4 drug and device companies from 2018 to 2022. Food and beverage make up the largest share, 100% of the total. Pharmacyclics LLC, An AbbVie Company paid the most, $24.
General payments to Dr. Castillo by program year, 2018 to 2022
Companies that paid Dr. Castillo the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Annie L. Castillo graduated from University of Texas Medical Branch at Galveston
Dr. Castillo graduated from University of Texas Medical Branch at Galveston in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Annie L. Castillo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Annie L. Castillo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Annie L. Castillo's NPI number?
Dr. Annie L. Castillo's NPI number is 1902820483. It was assigned on July 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Annie L. Castillo?
Dr. Annie L. Castillo is a hematologist and oncologist in Bozeman, Montana. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Annie L. Castillo practice?
Dr. Castillo practices at 915 Highland Blvd, Bozeman, MT 59715.
What is Dr. Annie L. Castillo's office phone number?
The practice phone on file for Dr. Castillo is (406) 556-5535.
What is Dr. Annie L. Castillo's medical license number?
Dr. Castillo holds Montana license 6439.
Does Dr. Annie L. Castillo accept Medicare?
Yes. CMS data shows Dr. Castillo billed Medicare for 226 services in 2022.
What services does Dr. Annie L. Castillo bill to Medicare?
In 2022, Dr. Castillo's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and care management and other visits (99443).
Where did Dr. Annie L. Castillo go to medical school?
Dr. Castillo graduated from University of Texas Medical Branch at Galveston in 1984.
What drugs does Dr. Annie L. Castillo prescribe most?
In 2022 Medicare Part D data, Dr. Castillo's most prescribed drugs by claims were Imbruvica, Letrozole and Calquence.
Has Dr. Annie L. Castillo received payments from drug or device companies?
CMS Open Payments shows $76 in general payments to Dr. Castillo from 4 companies from 2018 to 2022. The largest total came from Pharmacyclics LLC, An AbbVie Company.
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How long has Dr. Annie L. Castillo been practicing?
Dr. Castillo graduated from medical school in 1984, 42 years ago.
Does Dr. Annie L. Castillo do research?
Dmand AI links 1 publication to Dr. Castillo.
Who does Dr. Annie L. Castillo publish with?
Dr. Castillo's most frequent co-authors are Toaa Abuelenen, MD (1 shared paper) and Asfiya Yunus, MD (1 shared paper).
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