Alexander Chalphin
- Part D claims, 2016
- 23
- Publications
- 15
- Hospital affiliations
- 1
- Industry payments
- $223
- Medical group
- 1
- Practice address
- 160 East Erie Ave, Philadelphia, PA 19134
- Practice phone
- Call (215) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Alexander Chalphin'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.
Alexander Chalphin is a general surgeon in Philadelphia, Pennsylvania
Alexander Chalphin practices at St. Christopher's Hospital for Children in Philadelphia, Pennsylvania, part of Tower Health.
Alexander Chalphin's NPI, 1689059065, was assigned on July 27, 2015. Alexander Chalphin holds Pennsylvania license MD485363.
- NPI
- 1689059065NPI Registry (opens in a new tab)
- NPI enumeration date
- July 27, 2015
- NPI status
- Active
- Practice phone
- (215) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Alexander Chalphin practices at St. Christopher's Hospital for Children in Philadelphia, Pennsylvania
Alexander Chalphin's primary practice is St. Christopher's Hospital for Children, at 160 East Erie Ave, Philadelphia, PA 19134 in Philadelphia County. The practice phone is (215) 427-5000.
- St. Christopher's Hospital for Children160 East Erie Ave, Philadelphia, PA 19134 · Philadelphia CountyPhone(215) 427-5000
Source: Dmand AI Affiliation Data
Alexander Chalphin is affiliated with 1 site of care and 1 medical group
Alexander Chalphin's primary practice is St. Christopher's Hospital for Children in Philadelphia, Pennsylvania, part of Tower Health. The medical group on file is St. Christopher's Pediatric Associates Emergency Medicine - E. Erie Avenue.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Alexander Chalphin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Alexander Chalphin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Christopher's Hospital for Children | Available with a free account |
Source: Dmand AI Technology Install Data
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Alexander Chalphin is one of 1,398 general surgeons in Pennsylvania
Surgery is Alexander Chalphin's primary specialty in the NPI Registry, under taxonomy code 208600000X. Alexander Chalphin is licensed in Pennsylvania.
Specialties and state licenses
- Surgery, PennsylvaniaPrimary
General surgeons near Alexander Chalphin
Counts of general surgeons 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
Alexander Chalphin's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Alexander Chalphin's median patient age at 10, with 44% women.
Alexander Chalphin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Alexander Chalphin wrote 23 Medicare Part D claims in 2016
In 2016, Alexander Chalphin wrote 23 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $238 in total drug cost.
Alexander Chalphin's most prescribed drugs by claims, 2016
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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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Alexander Chalphin has 15 publications on record
Dmand AI links 15 papers to Alexander Chalphin, published from 2018 to 2024. 2019 was the busiest year, with 5. The most frequent topics are Mesenchymal Stem Cell Transplantation, Amniotic Fluid and Disease Models, Animal. Alexander Chalphin has published most often in J Pediatr Surg. Alexander Chalphin's most frequent co-authors are Stefanie Lazow, Christopher Chan, MD, PhD and Christopher Michaiel Nemeh, MD.
Alexander Chalphin's papers by year, 2018 to 2024
Topics Alexander Chalphin writes about most
- Mesenchymal Stem Cell Transplantation
- Amniotic Fluid
- Disease Models, Animal
- Mesenchymal Stem Cells
- Fetal Therapies
- Amnion
- Gastroschisis
- Hernias, Diaphragmatic, Congenital
Alexander Chalphin's most frequent co-authors
- Stefanie Lazow5 shared papers
- Christopher Chan, MD, PhD3 shared papers
- Christopher Michaiel Nemeh, MD2 shared papers
Recent publications by Alexander Chalphin
Am J Case Rep
Surg Obes Relat Dis
J Laparoendosc Adv Surg Tech A
See who Alexander Chalphin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Alexander Chalphin works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Alexander Chalphin received $223 in industry payments in 2023
CMS Open Payments shows 3 general payments to Alexander Chalphin from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $223.
Companies that paid Alexander Chalphin the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Alexander Chalphin'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 |
| Industry payments | Open Payments (CMS) (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 Alexander Chalphin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Alexander Chalphin's NPI number?
Alexander Chalphin's NPI number is 1689059065. It was assigned on July 27, 2015, and it is active in the NPI Registry.
What does Alexander Chalphin specialize in?
Alexander Chalphin is a general surgeon in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Alexander Chalphin practice?
Alexander Chalphin practices at 160 East Erie Ave, Philadelphia, PA 19134. Alexander Chalphin's primary practice is St. Christopher's Hospital for Children in Philadelphia, Pennsylvania, part of Tower Health.
What is Alexander Chalphin's office phone number?
The practice phone on file for Alexander Chalphin is (215) 427-5000.
What is Alexander Chalphin's medical license number?
Alexander Chalphin holds Pennsylvania license MD485363.
Which hospitals is Alexander Chalphin affiliated with?
Alexander Chalphin practices at St. Christopher's Hospital for Children in Philadelphia, Pennsylvania.
What medical group is Alexander Chalphin part of?
Alexander Chalphin is linked to St. Christopher's Pediatric Associates Emergency Medicine - E. Erie Avenue.
What drugs does Alexander Chalphin prescribe most?
In 2016 Medicare Part D data, Alexander Chalphin's most prescribed drugs by claims were Oxycodone HCl.
Has Alexander Chalphin received payments from drug or device companies?
CMS Open Payments shows $223 in general payments to Alexander Chalphin from 1 company from 2023 to 2023. The largest total came from Hologic Inc.
How long has Alexander Chalphin been practicing?
Alexander Chalphin's NPI was assigned in 2015.
Does Alexander Chalphin do research?
Dmand AI links 15 publications to Alexander Chalphin, published from 2018 to 2024.
Who does Alexander Chalphin publish with?
Alexander Chalphin's most frequent co-authors are Stefanie Lazow (5 shared papers), Christopher Chan, MD, PhD (3 shared papers) and Christopher Michaiel Nemeh, MD (2 shared papers).
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