Dr. Agnes Sierocka-Castaneda, MD

  • Rockville, MD
  • Neonatologist
NPI1376564237
Industry payments
$205
Medical group
1
State license
1
Year NPI issued
2006
Practice address
9901 Medical Center Dr, Rockville, MD 20850
Practice phone
Call (301) 279-6155
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Shady Grove Adventist Hospital

Rockville, Maryland

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Dr. Agnes Sierocka-Castaneda is a neonatologist in Rockville, Maryland

Dr. Sierocka-Castaneda practices at Shady Grove Adventist Hospital in Rockville, Maryland.

Dr. Sierocka-Castaneda's NPI, 1376564237, was assigned on July 23, 2006. Dr. Sierocka-Castaneda holds Maryland license D0065419.

NPI and contact details
NPI enumeration date
July 23, 2006
NPI status
Active
Practice phone
(301) 279-6155
Professional email
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Personal email
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Mobile number
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Sex
Female

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

Dr. Agnes Sierocka-Castaneda practices at Shady Grove Adventist Hospital in Rockville, Maryland

Dr. Sierocka-Castaneda's primary practice is Shady Grove Adventist Hospital, at 9901 Medical Center Dr, Rockville, MD 20850 in Montgomery County. The practice phone is (301) 279-6155.

  • Shady Grove Adventist Hospital
    9901 Medical Center Dr, Rockville, MD 20850 · Montgomery CountyPhone(301) 279-6155

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Agnes Sierocka-Castaneda is affiliated with 1 site of care and 1 medical group

Dr. Sierocka-Castaneda's primary practice is Shady Grove Adventist Hospital in Rockville, Maryland. The medical group on file is Children's National Hospital.

Shady Grove Adventist HospitalRockville, MarylandPrimary
Children's National HospitalPediatrics group, Washington, DC

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Agnes Sierocka-Castaneda's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sierocka-Castaneda practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Shady Grove Adventist HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Agnes Sierocka-Castaneda is one of 109 neonatologists in Maryland

Neonatal-perinatal medicine is Dr. Sierocka-Castaneda's primary specialty in the NPI Registry, under taxonomy code 2080N0001X. Dr. Sierocka-Castaneda is licensed in Maryland.

Specialties and state licenses

  • Neonatal-perinatal medicine, MarylandPrimaryLicense D0065419 · taxonomy 2080N0001X

Neonatologists near Dr. Sierocka-Castaneda

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

109neonatologists in Maryland
5neonatologists in Rockville

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

Dr. Agnes Sierocka-Castaneda's patients have a median age of 2

Across all payers, Dmand AI patient panel data puts Dr. Sierocka-Castaneda's median patient age at 2, with 64% women.

Dr. Sierocka-Castaneda's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 2

Patient panel by sex, all payers

  • Women64%
  • Men36%

Source: Dmand AI Patient Panel Data

Dr. Agnes Sierocka-Castaneda received $205 in industry payments from 2019 to 2025

CMS Open Payments shows 4 general payments to Dr. Sierocka-Castaneda from 3 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $92.

General payments to Dr. Sierocka-Castaneda by program year, 2019 to 2025

Companies that paid Dr. Sierocka-Castaneda the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Sierocka-Castaneda

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

Sources for Dr. Agnes Sierocka-Castaneda'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
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. Agnes Sierocka-Castaneda

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. Agnes Sierocka-Castaneda's NPI number?

Dr. Agnes Sierocka-Castaneda's NPI number is 1376564237. It was assigned on July 23, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Agnes Sierocka-Castaneda?

Dr. Agnes Sierocka-Castaneda is a neonatologist in Rockville, Maryland. The primary specialty in the NPI Registry is Neonatal-Perinatal Medicine Physician (taxonomy code 2080N0001X).

Where does Dr. Agnes Sierocka-Castaneda practice?

Dr. Sierocka-Castaneda practices at 9901 Medical Center Dr, Rockville, MD 20850. Dr. Sierocka-Castaneda's primary practice is Shady Grove Adventist Hospital in Rockville, Maryland.

What is Dr. Agnes Sierocka-Castaneda's office phone number?

The practice phone on file for Dr. Sierocka-Castaneda is (301) 279-6155.

What is Dr. Agnes Sierocka-Castaneda's medical license number?

Dr. Sierocka-Castaneda holds Maryland license D0065419.

What medical group is Dr. Agnes Sierocka-Castaneda part of?

Dr. Sierocka-Castaneda is linked to Children's National Hospital.

Has Dr. Agnes Sierocka-Castaneda received payments from drug or device companies?

CMS Open Payments shows $205 in general payments to Dr. Sierocka-Castaneda from 3 companies from 2019 to 2025. The largest total came from Sanofi Pasteur Inc.

How long has Dr. Agnes Sierocka-Castaneda been practicing?

Dr. Sierocka-Castaneda's NPI was assigned in 2006.

Selling to neonatal-perinatal medicine practices?

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