Dr. Anees B. Chagpar, MD
- Medicare services, 2019
- 49
- Publications
- 178
- Clinical trials
- 1
- Industry payments
- $121,530
- Affiliated sites
- 1
- Practice address
- 20 York St, New Haven, CT 06510
- Practice phone
- Call (203) 688-2046
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yale New Haven Hospital
New Haven, Connecticut
Find Dr. Chagpar'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.
Dr. Anees B. Chagpar is a general surgeon in New Haven, Connecticut
Dr. Chagpar practices at Yale New Haven Hospital in New Haven, Connecticut.
Dr. Chagpar's NPI, 1255310801, was assigned on January 12, 2006. Dr. Chagpar holds Connecticut license 049071.
- NPI
- 1255310801NPI Registry (opens in a new tab)
- NPI enumeration date
- January 12, 2006
- NPI status
- Active
- Practice phone
- (203) 688-2046
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Anees B. Chagpar practices at Yale New Haven Hospital in New Haven, Connecticut
Dr. Chagpar's primary practice is Yale New Haven Hospital, at 20 York St, New Haven, CT 06510 in South Central Ct County. The practice phone is (203) 688-2046.
- Yale New Haven Hospital20 York St, New Haven, CT 06510 · South Central Ct CountyPhone(203) 688-2046
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Anees B. Chagpar is affiliated with 2 sites of care and 1 medical group
Dr. Chagpar's primary practice is Yale New Haven Hospital in New Haven, Connecticut. The medical group on file is Yale Health. Dmand AI also links Dr. Chagpar 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 Dr. Anees B. Chagpar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chagpar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yale New Haven Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Anees B. Chagpar is one of 303 general surgeons in Connecticut
Surgery is Dr. Chagpar's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Chagpar's licenses on file in 2 states: Connecticut and Kentucky.
Specialties and state licenses
- Surgery, ConnecticutPrimary
- Surgical oncology, Kentucky
General surgeons near Dr. Chagpar
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
Dr. Anees B. Chagpar billed Medicare for 49 services in 2019
CMS data shows 49 Medicare services from Dr. Chagpar across 2 procedure codes in 2019, all of them office visits. Medicare paid $3,633 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chagpar's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 1282019: 4962%
- Surgery
- 2018: 222019: 0100%
Dr. Chagpar compared with the Connecticut median for general surgeons, 2019
- Dr. Chagpar
- Connecticut median
- Medicare services
- 49vs 10955% below
Medians across 295 general surgeons in Connecticut with Dmand AI profiles that report each measure.
Dr. Chagpar's most billed Medicare procedure codes, 2019
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. Chagpar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chagpar and other general surgeons in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Anees B. Chagpar's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Chagpar's median patient age at 66, with 100% women.
Dr. Chagpar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
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Dr. Anees B. Chagpar has 178 publications on record
Dmand AI links 178 papers to Dr. Chagpar, published from 2003 to 2025. 2016 was the busiest year, with 15. The most frequent topics are Breast Neoplasms, Mastectomy, Segmental and Mastectomy. Dr. Chagpar has published most often in Am Surg. Dr. Chagpar's most frequent co-authors are Donald Rowe Lannin, MD, Brigid Kelley Killelea, MD and Julian C. Huang, MD.
Dr. Chagpar's papers by year, 2016 to 2025
Topics Dr. Chagpar writes about most
- Breast Neoplasms
- Mastectomy, Segmental
- Mastectomy
- Carcinoma, Ductal, Breast
- Lymphatic Metastasis
- Sentinel Lymph Node Biopsy
- Lymph Nodes
- Neoplasm Invasiveness
Dr. Chagpar's most frequent co-authors
- Donald Rowe Lannin, MD38 shared papers
- Brigid Kelley Killelea, MD36 shared papers
- Julian C. Huang, MD17 shared papers
Recent publications by Dr. Chagpar
Ann Surg Oncol
See who Dr. Chagpar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chagpar 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
Dr. Anees B. Chagpar has worked on 1 clinical trial
Dmand AI links Dr. Chagpar to 1 clinical trial. Conditions studied include Breast Neoplasms and Breast Diseases.
Conditions in Dr. Chagpar's trials
- Breast Neoplasms
- Breast Diseases
Investigators on the most trials with Dr. Chagpar
Recent clinical trials with Dr. Chagpar
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Anees B. Chagpar received $121,530 in industry payments from 2017 to 2025
CMS Open Payments shows 96 general payments to Dr. Chagpar from 7 drug and device companies from 2017 to 2025. Speaker and faculty fees make up the largest share, 60% of the total. Merck Sharp & Dohme Corporation paid the most, $101,828. It also lists 3 research payments totaling $1,360 from 2023 to 2025.
General payments to Dr. Chagpar by program year, 2017 to 2025
General payments to Dr. Chagpar by kind, 2017 to 2025
- Speaker and faculty fees$73,47060%
- Consulting fees$25,92921%
- Travel and lodging$19,57116%
- Honoraria$1,5001%
- Food and beverage$1,0601%
Companies that paid Dr. Chagpar the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Anees B. Chagpar'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 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 |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Dr. Anees B. Chagpar
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. Anees B. Chagpar's NPI number?
Dr. Anees B. Chagpar's NPI number is 1255310801. It was assigned on January 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Anees B. Chagpar?
Dr. Anees B. Chagpar is a general surgeon in New Haven, Connecticut. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Anees B. Chagpar practice?
Dr. Chagpar practices at 20 York St, New Haven, CT 06510. Dr. Chagpar's primary practice is Yale New Haven Hospital in New Haven, Connecticut. Dmand AI also links Dr. Chagpar to 1 group practice or clinic, and a free account names each one.
What is Dr. Anees B. Chagpar's office phone number?
The practice phone on file for Dr. Chagpar is (203) 688-2046. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Anees B. Chagpar's email address?
Dmand AI checks professional and personal email addresses for Dr. Chagpar through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Anees B. Chagpar's medical license number?
Dr. Chagpar holds Connecticut license 049071, one of the licenses on file in 2 states.
Which states has Dr. Anees B. Chagpar been licensed in?
Dmand AI has state licenses on file for Dr. Chagpar in Connecticut and Kentucky.
What medical group is Dr. Anees B. Chagpar part of?
Dr. Chagpar is linked to Yale Health.
Who does Dr. Anees B. Chagpar practice with?
Dmand AI links 3,346 HCPs to Dr. Chagpar's primary medical group, 45 of them general surgeons. A free account lists them, with verified contacts.
Does Dr. Anees B. Chagpar accept Medicare?
Yes. CMS data shows Dr. Chagpar billed Medicare for 49 services in 2019.
Show 6 more questionsShow fewer questions
What services does Dr. Anees B. Chagpar bill to Medicare?
In 2019, Dr. Chagpar's most billed Medicare services were office visit, established patient (99213) and office visit, new patient (99205).
Has Dr. Anees B. Chagpar received payments from drug or device companies?
CMS Open Payments shows $121,530 in general payments to Dr. Chagpar from 7 companies from 2017 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Anees B. Chagpar been practicing?
Dr. Chagpar's NPI was assigned in 2006.
Does Dr. Anees B. Chagpar do research?
Dmand AI links 178 publications to Dr. Chagpar, published from 2003 to 2025. Dr. Chagpar has worked on 1 clinical trial.
Who does Dr. Anees B. Chagpar publish with?
Dr. Chagpar's most frequent co-authors are Donald Rowe Lannin, MD (38 shared papers), Brigid Kelley Killelea, MD (36 shared papers) and Julian C. Huang, MD (17 shared papers).
What EHR does Dr. Anees B. Chagpar's practice use?
Dmand AI tracks the EHR system at Yale New Haven Hospital and at 1 more affiliated site. The vendor and product are available with a free Dmand AI account.
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