Dr. Danielle O. Castillo, MD

  • Chesapeake, VA
  • Endocrinologist
NPI1457512667PAC ID1254504798
Medicare services, 2024
5,110
Medicare patients, 2024
446
Part D claims, 2024
1,485
Publications
1
Hospital affiliations
5
Practice address
713 Volvo Pkwy, Chesapeake, VA 23320
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Bayview Physicians Group - HOPD

Acute Care Hospital outpatient department · Chesapeake, Virginia

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Dr. Danielle O. Castillo is an endocrinologist in Chesapeake, Virginia

Dr. Castillo practices at Bayview Physicians Group - HOPD in Chesapeake, Virginia.

Dr. Castillo's NPI, 1457512667, was assigned on June 19, 2008. Dr. Castillo holds Virginia license 0101250053.

NPI and contact details
Medicare PAC ID
1254504798
NPI enumeration date
June 19, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
44
Medical school graduation
2008

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Danielle O. Castillo practices at Bayview Physicians Group - HOPD in Chesapeake, Virginia

Dr. Castillo's primary practice is Bayview Physicians Group - HOPD, at 713 Volvo Pkwy, Chesapeake, VA 23320.

  • Bayview Physicians Group - HOPD
    713 Volvo Pkwy, Chesapeake, VA 23320

Source: Dmand AI Affiliation Data

Dr. Danielle O. Castillo is affiliated with 7 sites of care and 1 medical group

Dr. Castillo's primary practice is Bayview Physicians Group - HOPD in Chesapeake, Virginia. Dr. Castillo is also affiliated with Chesapeake Regional Medical Center. The medical group on file is Bayview Physicians Group. Dmand AI also links Dr. Castillo to 4 more hospitals and 1 group practice or clinic, each named with a free account. Dr. Castillo's employer is on file too: a hospital.

See all 8 affiliations for Dr. Castillo

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Danielle O. Castillo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Castillo practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Bayview Physicians Group - HOPDAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Danielle O. Castillo is one of 265 endocrinologists in Virginia

Endocrinology, diabetes and metabolism is Dr. Castillo's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dr. Castillo is licensed in Virginia.

Specialties and state licenses

  • Endocrinology, diabetes and metabolism, VirginiaPrimaryLicense 0101250053 · taxonomy 207RE0101X

Endocrinologists near Dr. Castillo

Counts of endocrinologists with a Dmand AI profile, by place and practice. Each opens the list.

265endocrinologists in Virginia
7endocrinologists in Chesapeake

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Danielle O. Castillo billed Medicare for 5,110 services in 2024

CMS data shows 5,110 Medicare services from Dr. Castillo across 11 procedure codes in 2024, for 446 Medicare patients. Medicare paid $143,511 for them. Every service was in an office.

Medicare services, 20245,110
Medicare patients446
Paid by Medicare$143,511
Procedure codes11

Dr. Castillo's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 2,2802024: 2,58013%
Office and hospital visits
2023: 7462024: 82410%
Other services
2023: 232024: 7703248%
Lab and pathology
2023: 4992024: 56513%
Tests and treatments
2023: 2302024: 31236%
Imaging
2023: 542024: 599%

Dr. Castillo compared with the Virginia median for endocrinologists, 2024

  • Dr. Castillo
  • Virginia median
Medicare services
5,110vs 7307.0 times
Medicare patients
446vs 29452% above
Part D claims
1,099vs 1,1756% below

Medians across 250 endocrinologists in Virginia with Dmand AI profiles that report each measure.

Dr. Castillo's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Castillo

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Danielle O. Castillo treated 446 Medicare patients in 2024, average age 72

CMS counts 446 Medicare patients who saw Dr. Castillo in 2024. The largest group is 65 to 74, with 230 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Castillo's median patient age at 59, with 77% women.

Medicare patients, 2024446
Average age72
Average risk score1.14
Also on Medicaid6%

Dr. Castillo's Medicare patients by age, 2024

Dr. Castillo's Medicare patients by sex, 2024

  • Women35479%
  • Men9221%

Chronic conditions among Dr. Castillo's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis46%
  4. Diabetes45%
  5. Osteoporosis34%
  6. Chronic kidney disease26%
  7. Anxiety24%
  8. Mood disorders22%

Share of Medicare patients with each condition. A patient can have several.

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 59

Patient panel by sex, all payers

  • Women77%
  • Men22%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Danielle O. Castillo wrote 1,485 Medicare Part D claims in 2024

In 2024, Dr. Castillo wrote 1,485 Medicare Part D claims for 260 patients. 40% of them were for generic drugs. CMS names the drug for 1,099 of them, across 23 drugs with 11 or more claims each, at $450,489 in total drug cost. In 2023, CMS named 863 claims across 28 drugs.

Part D claims, 20241,485
Drugs named by CMS23
Total drug cost$450,489
Part D patients260

Dr. Castillo's Part D claims by kind of drug, 2024

  • Generic593 claims40%
  • Brand-name775 claims52%
  • Other117 claims8%

Dr. Castillo's most prescribed drugs by claims, 2024

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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8632024: 1,09927%

Drugs named by CMS: 23 in 2024, 28 in 2023.

See all prescribing by Dr. Castillo

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Danielle O. Castillo takes part in Medicare

Dr. Castillo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Danielle O. Castillo has 1 publication on record

Dmand AI links 1 paper to Dr. Castillo in 2012. Dr. Castillo's most frequent co-author is Romesh K. Khardori, MD.

Papers1

Dr. Castillo's most frequent co-authors

Recent publications by Dr. Castillo

See all 1 publications and co-authors

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 endocrinologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Danielle O. Castillo received $13,262 in industry payments from 2016 to 2025

CMS Open Payments shows 756 general payments to Dr. Castillo from 58 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Eli Lilly and Company paid the most, $1,655.

General payments to Dr. Castillo by program year, 2016 to 2025

General payments to Dr. Castillo by kind, 2016 to 2025

$13.3Kin total
  • Food and beverage$13,11999%
  • Education$1251%
  • Speaker and faculty fees$180%

Companies that paid Dr. Castillo the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Castillo

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Danielle O. Castillo's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Danielle O. 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. Danielle O. Castillo's NPI number?

Dr. Danielle O. Castillo's NPI number is 1457512667. It was assigned on June 19, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Danielle O. Castillo?

Dr. Danielle O. Castillo is an endocrinologist in Chesapeake, Virginia. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).

Where does Dr. Danielle O. Castillo practice?

Dr. Castillo practices at 713 Volvo Pkwy, Chesapeake, VA 23320. Dr. Castillo's primary practice is Bayview Physicians Group - HOPD in Chesapeake, Virginia. Dmand AI also links Dr. Castillo to 4 hospitals and 1 group practice or clinic.

What is Dr. Danielle O. Castillo's medical license number?

Dr. Castillo holds Virginia license 0101250053.

Which hospitals is Dr. Danielle O. Castillo affiliated with?

Dr. Castillo is affiliated with Chesapeake Regional Medical Center. Dmand AI links Dr. Castillo to 4 more hospitals.

What medical group is Dr. Danielle O. Castillo part of?

Dr. Castillo is linked to Bayview Physicians Group.

Does Dr. Danielle O. Castillo accept Medicare?

Yes. CMS data shows Dr. Castillo billed Medicare for 5,110 services in 2024, and Dr. Castillo accepts Medicare assignment.

How many Medicare patients does Dr. Danielle O. Castillo see?

CMS counts 446 Medicare patients who saw Dr. Castillo in 2024, with an average age of 72.

What services does Dr. Danielle O. Castillo bill to Medicare?

In 2024, Dr. Castillo's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99214) and medicare service (G2211).

What drugs does Dr. Danielle O. Castillo prescribe most?

In 2024 Medicare Part D data, Dr. Castillo's most prescribed drugs by claims were Levothyroxine Sodium, Ozempic and Alendronate Sodium.

Show 4 more questionsShow fewer questions

Has Dr. Danielle O. Castillo received payments from drug or device companies?

CMS Open Payments shows $13,262 in general payments to Dr. Castillo from 58 companies from 2016 to 2025. The largest total came from Eli Lilly and Company.

How long has Dr. Danielle O. Castillo been practicing?

Dr. Castillo graduated from medical school in 2008, 18 years ago.

Does Dr. Danielle O. Castillo do research?

Dmand AI links 1 publication to Dr. Castillo.

Who does Dr. Danielle O. Castillo publish with?

Dr. Castillo's most frequent co-authors are Romesh K. Khardori, MD (1 shared paper).

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