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Dr. Sandy Chang, MD, PhD
NPI1861573164
- Medicare services, 2021
- 2,106
- Publications
- 74
- Industry payments
- $139
- Insurance carriers
- 2
- State licenses
- 4
- Practice address
- 20 York St, New Haven, CT 06510
- Practice phone
- Call (713) 792-6161
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Chang's professional email, personal email and mobile number
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Dr. Sandy Chang is a clinical pathology/laboratory medicine physician in New Haven, Connecticut
Dr. Chang practices in New Haven, Connecticut.
Dr. Chang's NPI, 1861573164, was assigned on October 17, 2006. Dr. Chang graduated from Weill Cornell Medicine in 1997. Dr. Chang's Texas license number on file is M0037.
NPI and contact details
- NPI
- 1861573164NPI Registry (opens in a new tab)
- NPI enumeration date
- October 17, 2006
- NPI status
- Active
- Practice phone
- (713) 792-6161
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Sandy Chang's practice address is in New Haven, Connecticut
Dr. Chang's practice address in the NPI Registry is 20 York St, New Haven, CT 06510, in South Central Ct County. The practice phone is (713) 792-6161.
- NPI Registry address20 York St, New Haven, CT 06510 · South Central Ct CountyPhone(713) 792-6161
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Sandy Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Chang's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sandy Chang is one of 14 clinical pathology/laboratory medicine physicians in Connecticut
Clinical pathology/laboratory medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207ZP0105X. Dr. Chang is board certified in clinical pathology by the American Board of Pathology. Dmand AI has Dr. Chang's licenses on file in 4 states: Texas, Delaware, Connecticut and Massachusetts.
Specialties and state licenses
- Clinical pathology/laboratory medicine, TexasPrimary
- Delaware license
- Connecticut license
- Massachusetts license
Clinical pathology/laboratory medicine physicians near Dr. Chang
Counts of clinical pathology/laboratory medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
14clinical pathology/laboratory medicine physicians in Connecticut
9clinical pathology/laboratory medicine physicians in New Haven
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Sandy Chang billed Medicare for 2,106 services in 2021
CMS data shows 2,106 Medicare services from Dr. Chang across 5 procedure codes in 2021. Medicare paid $31,412 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 20212,106
Paid by Medicare$31,412
Procedure codes5
Dr. Chang's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Lab and pathology
- 2020: 2,1662021: 2,0615%
- Other services
- 2020: 492021: 458%
Dr. Chang compared with the Connecticut median for clinical pathology/laboratory medicine physicians, 2021
- Dr. Chang
- Connecticut median
- Medicare services
- 2,106vs 19211.0 times
Medians across 16 clinical pathology/laboratory medicine physicians in Connecticut with Dmand AI profiles that report each measure.
Dr. Chang's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other clinical pathology/laboratory medicine physicians in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
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Dr. Sandy Chang has 74 publications on record
Dmand AI links 74 papers to Dr. Chang, published from 2003 to 2023. 2013 was the busiest year, with 4. The most frequent topics are Telomere, Telomere-Binding Proteins and Shelterin Complex. Dr. Chang has published most often in Nat Commun. Dr. Chang's most frequent co-authors are Steven E. Artandi, MD, Sandy S. Chang, MD, MHS and Jianzhong Huang, MD.
Papers74
Years published2003 to 2023
Dr. Chang's papers by year, 2012 to 2023
Topics Dr. Chang writes about most
- Telomere
- Telomere-Binding Proteins
- Shelterin Complex
- DNA-Binding Proteins
- DNA Damage
- Cell Cycle Proteins
- DNA Repair
- Mice, Knockout
Dr. Chang's most frequent co-authors
- Steven E. Artandi, MD3 shared papers
- Sandy S. Chang, MD, MHS2 shared papers
- Jianzhong Huang, MD2 shared papers
Recent publications by Dr. Chang
Lamin Type ANuclear Enveloperap1 GTP-Binding Proteins
CRISPR-Cas SystemsDNA-Binding ProteinsDNA Mutational Analysis
AminopeptidasesBinding SitesCalorimetry
See who Dr. Chang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chang works with, so you can find a warm path to the right clinical pathology/laboratory medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sandy Chang received $139 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Chang from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $139.
Companies that paid Dr. Chang the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sandy Chang graduated from Weill Cornell Medicine
Dr. Chang graduated from Weill Cornell Medicine in 1997.
- Medical school
- Board certified in clinical pathology
Source: Dmand AI Professional Profile Data
Dr. Sandy Chang accepts plans from 2 insurance carriers
Dr. Chang is in network with 2 carriers, including Excellus BlueCross BlueShield and RI State Medicaid. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- RI State Medicaid
Plan types Dr. Chang accepts, by number of carriers
- EPO1
- HMO1
- Medicaid1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Sandy Chang'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 |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dr. Sandy Chang
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. Sandy Chang's NPI number?
Dr. Sandy Chang's NPI number is 1861573164. It was assigned on October 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sandy Chang?
Dr. Sandy Chang is a clinical pathology/laboratory medicine physician in New Haven, Connecticut. The primary specialty in the NPI Registry is Clinical Pathology/Laboratory Medicine Physician (taxonomy code 207ZP0105X).
Where does Dr. Sandy Chang practice?
Dr. Chang practices at 20 York St, New Haven, CT 06510.
What is Dr. Sandy Chang's office phone number?
The practice phone on file for Dr. Chang is (713) 792-6161.
What is Dr. Sandy Chang's medical license number?
Dr. Chang's Texas license number on file is M0037, one of the licenses on file in 4 states.
Which states has Dr. Sandy Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in Texas (2004 to 2011), Delaware, Connecticut (2010 to 2026) and Massachusetts (2002 to 2005).
Does Dr. Sandy Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 2,106 services in 2021.
Is Dr. Sandy Chang board certified?
Yes. Dr. Chang is board certified in clinical pathology by the American Board of Pathology.
What services does Dr. Sandy Chang bill to Medicare?
In 2021, Dr. Chang's most billed Medicare services were lab and pathology test (84165), lab and pathology test (86334) and lab and pathology test (86335).
Where did Dr. Sandy Chang go to medical school?
Dr. Chang graduated from Weill Cornell Medicine in 1997.
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Has Dr. Sandy Chang received payments from drug or device companies?
CMS Open Payments shows $139 in general payments to Dr. Chang from 1 company from 2018 to 2018. The largest total came from Allergan Inc.
How long has Dr. Sandy Chang been practicing?
Dr. Chang graduated from medical school in 1997, 29 years ago.
Does Dr. Sandy Chang do research?
Dmand AI links 74 publications to Dr. Chang, published from 2003 to 2023.
Who does Dr. Sandy Chang publish with?
Dr. Chang's most frequent co-authors are Steven E. Artandi, MD (3 shared papers), Sandy S. Chang, MD, MHS (2 shared papers) and Jianzhong Huang, MD (2 shared papers).
What insurance does Dr. Sandy Chang accept?
Dr. Chang is in network with 2 carriers, including Excellus BlueCross BlueShield and RI State Medicaid. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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