CationsPermeabilitySpherocytosis, Hereditary
Colin A. Sieff, MBCHB
NPI1942382635
- Part D claims, 2020
- 11
- Publications
- 17
- Clinical trials
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 300 Longwood Avenue, Boston, MA
- Practice phone
- Call (617) 735-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Colin Sieff'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.
Colin A. Sieff is a pediatric hematology and oncology physician in Boston, Massachusetts
Colin Sieff practices at Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital.
Colin Sieff's NPI, 1942382635, was assigned on October 20, 2006. Colin Sieff holds Massachusetts license 73641.
NPI and contact details
- NPI
- 1942382635NPI Registry (opens in a new tab)
- NPI enumeration date
- October 20, 2006
- NPI status
- Active
- Practice phone
- (617) 735-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 84
- Medical school graduation
- 1968
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Colin A. Sieff practices at Boston Children's Hospital in Boston, Massachusetts
Colin Sieff's primary practice is Boston Children's Hospital, at 300 Longwood Avenue, Boston, MA in Suffolk County. The practice phone is (617) 735-6000.
- Boston Children's Hospital300 Longwood Avenue, Boston, MA · Suffolk CountyPhone(617) 735-6000
Source: Dmand AI Affiliation Data
Colin A. Sieff is affiliated with 1 medical group
Colin Sieff's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. The medical group on file is Boston Children's Hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Colin A. Sieff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Colin Sieff practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Children's Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Colin A. Sieff is one of 159 pediatric hematologys and oncology physicians in Massachusetts
Pediatric hematology-oncology is Colin Sieff's primary specialty in the NPI Registry, under taxonomy code 2080P0207X. Colin Sieff is licensed in Massachusetts.
Specialties and state licenses
- Pediatric hematology and oncology, MassachusettsPrimary
Pediatric hematologys and oncology physicians near Colin Sieff
Counts of pediatric hematologys and oncology physicians with a Dmand AI profile, by place and practice. Each opens the list.
159pediatric hematologys and oncology physicians in Massachusetts141pediatric hematologys and oncology physicians in Boston92pediatric hematologys and oncology physicians at Boston Children's Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Colin A. Sieff's patients have a median age of 19
Across all payers, Dmand AI patient panel data puts Colin Sieff's median patient age at 19, with 67% women.
Colin Sieff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 19
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Colin A. Sieff wrote 11 Medicare Part D claims in 2020
In 2020, Colin Sieff wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $142 in total drug cost.
Part D claims, 202011
Drugs named by CMS1
Total drug cost$142
Colin Sieff's most prescribed drugs by claims, 2020
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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Colin A. Sieff has 17 publications on record
Dmand AI links 17 papers to Colin Sieff, published from 2009 to 2021. 2013 was the busiest year, with 2. The most frequent topics are Anemia, Diamond-Blackfan, Cell Differentiation and Erythropoiesis. Colin Sieff has published most often in Haematologica. Colin Sieff's most frequent co-authors are Adrianna Vlachos, MD, Roxanne Ghazvinian, MD and Bertil Glader, MD.
Papers17
Years published2009 to 2021
Colin Sieff's papers by year, 2009 to 2021
Topics Colin Sieff writes about most
- Anemia, Diamond-Blackfan
- Cell Differentiation
- Erythropoiesis
- Gene Knockdown Techniques
- Genetic Association Studies
- Ribosomal Proteins
- RNA, Small Interfering
Colin Sieff's most frequent co-authors
- Adrianna Vlachos, MD5 shared papers
- Roxanne Ghazvinian, MD4 shared papers
- Bertil Glader, MD4 shared papers
Recent publications by Colin Sieff
See who Colin Sieff researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Colin Sieff works with, so you can find a warm path to the right pediatric hematologys and oncology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Colin A. Sieff has worked on 1 clinical trial
Dmand AI links Colin Sieff to 1 clinical trial. Conditions studied include Anemia, Diamond-Blackfan and Red-Cell Aplasia, Pure.
Conditions in Colin Sieff's trials
- Anemia, Diamond-Blackfan
- Red-Cell Aplasia, Pure
Investigators on the most trials with Colin Sieff
Recent clinical trials with Colin Sieff
The Use of Trifluoperazine in Transfusion Dependent DBA (opens in a new tab)
TerminatedPhase 1/2
Anemia, Diamond-BlackfanRed-Cell Aplasia, PureTrifluoperazine
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Sources for Colin A. Sieff'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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 Colin A. Sieff
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Colin A. Sieff's NPI number?
Colin A. Sieff's NPI number is 1942382635. It was assigned on October 20, 2006, and it is active in the NPI Registry.
What does Colin A. Sieff specialize in?
Colin A. Sieff is a pediatric hematology and oncology physician in Boston, Massachusetts. The primary specialty in the NPI Registry is Pediatric Hematology & Oncology Physician (taxonomy code 2080P0207X).
Where does Colin A. Sieff practice?
Colin Sieff practices at 300 Longwood Avenue, Boston, MA. Colin Sieff's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital.
What is Colin A. Sieff's office phone number?
The practice phone on file for Colin Sieff is (617) 735-6000.
What is Colin A. Sieff's medical license number?
Colin Sieff holds Massachusetts license 73641.
Which hospitals is Colin A. Sieff affiliated with?
Colin Sieff practices at Boston Children's Hospital in Boston, Massachusetts.
What medical group is Colin A. Sieff part of?
Colin Sieff is linked to Boston Children's Hospital.
What drugs does Colin A. Sieff prescribe most?
In 2020 Medicare Part D data, Colin Sieff's most prescribed drugs by claims were Warfarin Sodium.
How long has Colin A. Sieff been practicing?
Colin Sieff graduated from medical school in 1968, 58 years ago.
Does Colin A. Sieff do research?
Dmand AI links 17 publications to Colin Sieff, published from 2009 to 2021. Colin Sieff has worked on 1 clinical trial.
Who does Colin A. Sieff publish with?
Colin Sieff's most frequent co-authors are Adrianna Vlachos, MD (5 shared papers), Roxanne Ghazvinian, MD (4 shared papers) and Bertil Glader, MD (4 shared papers).
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