Stephan Siebel
- Part D claims, 2022
- 53
- Industry payments
- $574
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 50 Division St, New Haven, CT 06511
- Practice phone
- Call (203) 785-2140
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yale Medicine
New Haven, Connecticut
Find Stephan Siebel's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Stephan Siebel is a pediatric endocrinology physician in New Haven, Connecticut
Stephan Siebel practices at Yale Medicine in New Haven, Connecticut.
Stephan Siebel's NPI, 1174720957, was assigned on June 27, 2007. Stephan Siebel graduated from Yale School of Medicine in 2017. Stephan Siebel holds Connecticut license 56574.
- NPI
- 1174720957NPI Registry (opens in a new tab)
- NPI enumeration date
- June 27, 2007
- NPI status
- Active
- Practice phone
- (203) 785-2140
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Stephan Siebel practices at Yale Medicine in New Haven, Connecticut
Stephan Siebel's primary practice is Yale Medicine, at 50 Division St, New Haven, CT 06511 in South Central Ct County. The practice phone is (203) 785-2140.
- Yale Medicine50 Division St, New Haven, CT 06511 · South Central Ct CountyPhone(203) 785-2140
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Stephan Siebel is affiliated with 2 sites of care and 1 medical group
Stephan Siebel's primary practice is Yale Medicine in New Haven, Connecticut. The medical group on file is Yale Health. Dmand AI also links Stephan Siebel to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Stephan Siebel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephan Siebel practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yale Medicine | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Stephan Siebel is one of 32 pediatric endocrinology physicians in Connecticut
Pediatric endocrinology is Stephan Siebel's primary specialty in the NPI Registry, under taxonomy code 2080P0205X. Stephan Siebel is licensed in Connecticut.
Specialties and state licenses
- Pediatric endocrinology, ConnecticutPrimary
Pediatric endocrinology physicians near Stephan Siebel
Counts of pediatric endocrinology physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Stephan Siebel's patients have a median age of 14
Across all payers, Dmand AI patient panel data puts Stephan Siebel's median patient age at 14, with 40% women.
Stephan Siebel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 14
Patient panel by sex, all payers
- Women40%
- Men55%
Source: Dmand AI Patient Panel Data
Stephan Siebel wrote 53 Medicare Part D claims in 2022
In 2022, Stephan Siebel wrote 53 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $597 in total drug cost.
Stephan Siebel'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.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Stephan Siebel received $574 in industry payments from 2016 to 2020
CMS Open Payments shows 13 general payments to Stephan Siebel from 5 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. AtriCure, Inc. paid the most, $172.
General payments to Stephan Siebel by program year, 2016 to 2020
Companies that paid Stephan Siebel the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Stephan Siebel graduated from Yale School of Medicine
Stephan Siebel graduated from Yale School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Stephan Siebel'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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) |
| 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 Stephan Siebel
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephan Siebel's NPI number?
Stephan Siebel's NPI number is 1174720957. It was assigned on June 27, 2007, and it is active in the NPI Registry.
What does Stephan Siebel specialize in?
Stephan Siebel is a pediatric endocrinology physician in New Haven, Connecticut. The primary specialty in the NPI Registry is Pediatric Endocrinology Physician (taxonomy code 2080P0205X).
Where does Stephan Siebel practice?
Stephan Siebel practices at 50 Division St, New Haven, CT 06511. Stephan Siebel's primary practice is Yale Medicine in New Haven, Connecticut. Dmand AI also links Stephan Siebel to 1 group practice or clinic.
What is Stephan Siebel's office phone number?
The practice phone on file for Stephan Siebel is (203) 785-2140.
What is Stephan Siebel's medical license number?
Stephan Siebel holds Connecticut license 56574.
What medical group is Stephan Siebel part of?
Stephan Siebel is linked to Yale Health.
Where did Stephan Siebel go to medical school?
Stephan Siebel graduated from Yale School of Medicine in 2017.
What drugs does Stephan Siebel prescribe most?
In 2022 Medicare Part D data, Stephan Siebel's most prescribed drugs by claims were Pantoprazole Sodium, Amlodipine Besylate and Atorvastatin Calcium.
Has Stephan Siebel received payments from drug or device companies?
CMS Open Payments shows $574 in general payments to Stephan Siebel from 5 companies from 2016 to 2020. The largest total came from AtriCure, Inc.
How long has Stephan Siebel been practicing?
Stephan Siebel graduated from medical school in 2017, 9 years ago.
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