Daniel Andres Casteline

  • Old Greenwich, CT
  • Pediatrician
NPI1295294429
Industry payments
$146
Medical group
1
State license
1
Year NPI issued
2019
Practice address
8 W End Ave, Old Greenwich, CT 06870
Practice phone
Call (203) 637-3212
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Greenwich Pediatric Associates

Old Greenwich, Connecticut

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Daniel Andres Casteline is a pediatrician in Old Greenwich, Connecticut

Daniel Casteline practices at Greenwich Pediatric Associates in Old Greenwich, Connecticut.

Daniel Casteline's NPI, 1295294429, was assigned on March 18, 2019. Daniel Casteline graduated from Quinnipiac University Frank H. Netter MD School of Medicine in 2019. Daniel Casteline holds Connecticut license 71205.

NPI and contact details
NPI enumeration date
March 18, 2019
NPI status
Active
Practice phone
(203) 637-3212
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
2019

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

Daniel Andres Casteline practices at Greenwich Pediatric Associates in Old Greenwich, Connecticut

Daniel Casteline's primary practice is Greenwich Pediatric Associates, at 8 W End Ave, Old Greenwich, CT 06870 in Western Ct County. The practice phone is (203) 637-3212.

  • Greenwich Pediatric Associates
    8 W End Ave, Old Greenwich, CT 06870 · Western Ct CountyPhone(203) 637-3212

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

Daniel Andres Casteline is affiliated with 1 site of care and 1 medical group

Daniel Casteline's primary practice is Greenwich Pediatric Associates in Old Greenwich, Connecticut. The medical group on file is Greenwich Hospital.

Greenwich Pediatric AssociatesOld Greenwich, ConnecticutPrimary
Greenwich HospitalPrimary care group, Greenwich, CT

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

Dmand AI tracks the EHR system at Daniel Andres Casteline's practice

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

EHR by site
SiteEHR vendor and product
Greenwich Pediatric AssociatesAvailable with a free account

Source: Dmand AI Technology Install Data

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Daniel Andres Casteline is one of 788 pediatricians in Connecticut

Pediatrics is Daniel Casteline's primary specialty in the NPI Registry, under taxonomy code 208000000X. Daniel Casteline is licensed in Connecticut.

Specialties and state licenses

  • Pediatrics, ConnecticutPrimaryLicense 71205 · taxonomy 208000000X

Pediatricians near Daniel Casteline

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

788pediatricians in Connecticut
6pediatricians in Old Greenwich

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

Daniel Andres Casteline's patients have a median age of 11

Across all payers, Dmand AI patient panel data puts Daniel Casteline's median patient age at 11, with 41% women.

Daniel Casteline's patients across all payers

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

Patient panel by age, all payers

Median age 11

Patient panel by sex, all payers

  • Women41%
  • Men57%

Source: Dmand AI Patient Panel Data

Daniel Andres Casteline received $146 in industry payments from 2023 to 2025

CMS Open Payments shows 6 general payments to Daniel Casteline from 5 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Seqirus USA Inc paid the most, $60.

General payments to Daniel Casteline by program year, 2023 to 2025

Companies that paid Daniel Casteline the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Daniel Casteline

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

Daniel Andres Casteline graduated from Quinnipiac University Frank H. Netter MD School of Medicine

Daniel Casteline graduated from Quinnipiac University Frank H. Netter MD School of Medicine in 2019.

  1. Medical schoolQuinnipiac University Frank H. Netter MD School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Daniel Andres Casteline'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)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Daniel Andres Casteline

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Daniel Andres Casteline's NPI number?

Daniel Andres Casteline's NPI number is 1295294429. It was assigned on March 18, 2019, and it is active in the NPI Registry.

What does Daniel Andres Casteline specialize in?

Daniel Andres Casteline is a pediatrician in Old Greenwich, Connecticut. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).

Where does Daniel Andres Casteline practice?

Daniel Casteline practices at 8 W End Ave, Old Greenwich, CT 06870. Daniel Casteline's primary practice is Greenwich Pediatric Associates in Old Greenwich, Connecticut.

What is Daniel Andres Casteline's office phone number?

The practice phone on file for Daniel Casteline is (203) 637-3212.

What is Daniel Andres Casteline's medical license number?

Daniel Casteline holds Connecticut license 71205.

What medical group is Daniel Andres Casteline part of?

Daniel Casteline is linked to Greenwich Hospital.

Where did Daniel Andres Casteline go to medical school?

Daniel Casteline graduated from Quinnipiac University Frank H. Netter MD School of Medicine in 2019.

Has Daniel Andres Casteline received payments from drug or device companies?

CMS Open Payments shows $146 in general payments to Daniel Casteline from 5 companies from 2023 to 2025. The largest total came from Seqirus USA Inc.

How long has Daniel Andres Casteline been practicing?

Daniel Casteline graduated from medical school in 2019, 7 years ago.

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