Dr. Charles H. Cha, MD

  • Bridgeport, CT
  • Surgical oncologist
NPI1871524355PAC ID4385644863
Medicare services, 2024
99
Medicare patients, 2024
75
Part D claims, 2024
19
Publications
75
MIPS score, 2024
90
Practice address
2800 Main St, Bridgeport, CT 06606
Practice phone
Call (203) 576-5551
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

St. Vincent's Medical Center

Hospital · Bridgeport, Connecticut

See all 5 affiliations

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Dr. Charles H. Cha is a surgical oncologist in Bridgeport, Connecticut

Dr. Cha practices at St. Vincent's Medical Center in Bridgeport, Connecticut, part of Hartford HealthCare.

Dr. Cha's NPI, 1871524355, was assigned on July 5, 2006. Dr. Cha graduated from Feinberg School of Medicine in 1995. Dr. Cha's Connecticut license number on file is 041377.

NPI and contact details
Medicare PAC ID
4385644863
NPI enumeration date
July 5, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(203) 576-5551
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
57
Medical school graduation
1995

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Charles H. Cha practices at St. Vincent's Medical Center in Bridgeport, Connecticut

Dr. Cha's primary practice is St. Vincent's Medical Center, at 2800 Main St, Bridgeport, CT 06606 in Fairfield County. The practice phone is (203) 576-5551.

Source: Dmand AI Affiliation Data

Dr. Charles H. Cha is affiliated with 2 sites of care and 3 medical groups

Dr. Cha's primary practice is St. Vincent's Medical Center in Bridgeport, Connecticut, part of Hartford HealthCare. The medical group on file is Hartford HealthCare Medical Group Specialists. Dmand AI also links Dr. Cha to 2 more medical groups and 1 home health agency, each named with a free account.

See all 5 affiliations for Dr. Cha

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Charles H. Cha's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cha practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
St. Vincent's Medical CenterAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Charles H. Cha is one of 34 surgical oncologists in Connecticut

Surgical oncology is Dr. Cha's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dr. Cha is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Cha's licenses on file in 4 states: Connecticut, Florida, New York and Wisconsin.

Specialties and state licenses

  • Surgical oncology, ConnecticutPrimaryLicense 041377 · 2003 to 2025 · taxonomy 2086X0206X
  • Florida license2012 to 2014
  • New York license2000 to 2004
  • Wisconsin license1996 to 2001

Clinical focus

Dmand AI lists abdominal adhesion surgery and colon removal among the conditions Dr. Cha treats.

Surgical oncologists near Dr. Cha

Counts of surgical oncologists 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. Charles H. Cha billed Medicare for 99 services in 2024

CMS data shows 99 Medicare services from Dr. Cha across 2 procedure codes in 2024, all of them office visits, for 75 Medicare patients. Medicare paid $16,501 for them. Every service was in an office.

Medicare services, 202499
Medicare patients75
Paid by Medicare$16,501
Procedure codes2

Dr. Cha's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 992024: 99No change
Surgery
2023: 122024: 0100%

Dr. Cha compared with the Connecticut median for surgical oncologists, 2024

  • Dr. Cha
  • Connecticut median
Medicare services
99vs 97Close to median
Medicare patients
75vs 75Close to median
Part D claims
16vs 2843% below

Medians across 30 surgical oncologists in Connecticut with Dmand AI profiles that report each measure.

Dr. Cha's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Cha

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cha and other surgical oncologists in Connecticut.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Charles H. Cha treated 75 Medicare patients in 2024, average age 75

CMS counts 75 Medicare patients who saw Dr. Cha in 2024. The largest group is 75 to 84, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.99, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Cha's median patient age at 66, with 62% women.

Medicare patients, 202475
Average age75
Average risk score1.99
Also on Medicaid19%

Dr. Cha's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Cha's Medicare patients by sex, 2024

  • Women4560%
  • Men3040%

Chronic conditions among Dr. Cha's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis47%
  4. Cancer39%
  5. Diabetes37%
  6. Anxiety36%
  7. Ischemic heart disease32%
  8. Atrial fibrillation28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Cha'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

  • Women62%
  • Men35%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Charles H. Cha wrote 19 Medicare Part D claims in 2024

In 2024, Dr. Cha wrote 19 Medicare Part D claims. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $3,313 in total drug cost.

Part D claims, 202419
Drugs named by CMS1
Total drug cost$3,313

Dr. Cha's most prescribed drugs by claims, 2023

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Cha

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Charles H. Cha scored 90 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Cha for performance year 2024, reported as part of a group. Dr. Cha accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Cha's MIPS scores, performance year 2024

  • 90of 100Final score
  • 83.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Charles H. Cha has 75 publications on record

Dmand AI links 75 papers to Dr. Cha, published from 2006 to 2024. 2019 was the busiest year, with 7. The most frequent topics are Liver Neoplasms, Colorectal Neoplasms and Hepatectomy. Dr. Cha has published most often in Ann Surg Oncol. Dr. Cha's most frequent co-authors are Carlos Uriel Corvera, MD, Omeed Moaven, MD and Perry Shen, MD.

Papers75
Years published2006 to 2024

Dr. Cha's papers by year, 2015 to 2024

Topics Dr. Cha writes about most

  • Liver Neoplasms
  • Colorectal Neoplasms
  • Hepatectomy
  • Carcinoma, Hepatocellular
  • Antineoplastic Combined Chemotherapy Protocols
  • Pancreatic Neoplasms
  • Adenocarcinoma
  • Biomarkers, Tumor

Dr. Cha's most frequent co-authors

Recent publications by Dr. Cha

See all 75 publications and co-authors

See who Dr. Cha researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cha works with, so you can find a warm path to the right surgical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Charles H. Cha received $1,492 in industry payments from 2019 to 2023

CMS Open Payments shows 7 general payments to Dr. Cha from 2 drug and device companies from 2019 to 2023. Travel and lodging make up the largest share, 82% of the total. Intuitive Surgical, Inc. paid the most, $1,335.

General payments to Dr. Cha by program year, 2019 to 2023

General payments to Dr. Cha by kind, 2019 to 2023

$1.5Kin total
  • Travel and lodging$1,22882%
  • Food and beverage$26418%

Companies that paid Dr. Cha the most, 2019 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Cha

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Charles H. Cha has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Cha, most recently Best Doctors in Connecticut in 2020.

Awards and honors for Dr. Cha

  1. 2020
    • Best Doctors in Connecticut
  2. 2013
    • CMS Stage 1 EHR
  3. Undated
    • ACS Fellow
    • Whos Who

Source: Dmand AI Professional Profile Data

Dr. Charles H. Cha graduated from Feinberg School of Medicine

Dr. Cha graduated from Feinberg School of Medicine in 1995. Dr. Cha is a member of ACS and Royal Society of Medicine.

  1. Medical schoolFeinberg School of Medicine
  2. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Charles H. Cha accepts plans from 14 insurance carriers

Dr. Cha is in network with 14 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • Alliant Health Plans
  • +6 more carriersWith a free account

Plan types Dr. Cha accepts, by number of carriers

  1. PPO8
  2. HMO7
  3. Medicare6
  4. POS5
  5. EPO4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Charles H. Cha's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Charles H. Cha

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. Charles H. Cha's NPI number?

Dr. Charles H. Cha's NPI number is 1871524355. It was assigned on July 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Charles H. Cha?

Dr. Charles H. Cha is a surgical oncologist in Bridgeport, Connecticut. The primary specialty in the NPI Registry is Surgical Oncology Physician (taxonomy code 2086X0206X).

Where does Dr. Charles H. Cha practice?

Dr. Cha practices at 2800 Main St, Bridgeport, CT 06606. Dr. Cha's primary practice is St. Vincent's Medical Center in Bridgeport, Connecticut, part of Hartford HealthCare. Dmand AI also links Dr. Cha to 2 medical groups and 1 home health agency.

What is Dr. Charles H. Cha's office phone number?

The practice phone on file for Dr. Cha is (203) 576-5551.

What is Dr. Charles H. Cha's medical license number?

Dr. Cha's Connecticut license number on file is 041377, one of the licenses on file in 4 states.

Which states has Dr. Charles H. Cha been licensed in?

Dmand AI has state licenses on file for Dr. Cha in Connecticut (2003 to 2025), Florida (2012 to 2014), New York (2000 to 2004) and Wisconsin (1996 to 2001).

Which hospitals is Dr. Charles H. Cha affiliated with?

Dr. Cha practices at St. Vincent's Medical Center in Bridgeport, Connecticut.

What medical group is Dr. Charles H. Cha part of?

Dr. Cha is linked to Hartford HealthCare Medical Group Specialists. Dmand AI links Dr. Cha to 2 more medical groups.

Does Dr. Charles H. Cha accept Medicare?

Yes. CMS data shows Dr. Cha billed Medicare for 99 services in 2024, and Dr. Cha accepts Medicare assignment.

What is Dr. Charles H. Cha's MIPS score?

Dr. Cha's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Charles H. Cha see?

CMS counts 75 Medicare patients who saw Dr. Cha in 2024, with an average age of 75.

Is Dr. Charles H. Cha board certified?

Yes. Dr. Cha is board certified in surgery by the American Board of Surgery.

What services does Dr. Charles H. Cha bill to Medicare?

In 2024, Dr. Cha's most billed Medicare services were office visit, established patient (99215) and office visit, new patient (99205).

Where did Dr. Charles H. Cha go to medical school?

Dr. Cha graduated from Feinberg School of Medicine in 1995.

What drugs does Dr. Charles H. Cha prescribe most?

In 2023 Medicare Part D data, Dr. Cha's most prescribed drugs by claims were Piperacillin-Tazobactam.

Has Dr. Charles H. Cha received payments from drug or device companies?

CMS Open Payments shows $1,492 in general payments to Dr. Cha from 2 companies from 2019 to 2023. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Charles H. Cha been practicing?

Dr. Cha graduated from medical school in 1995, 31 years ago.

Does Dr. Charles H. Cha do research?

Dmand AI links 75 publications to Dr. Cha, published from 2006 to 2024.

Who does Dr. Charles H. Cha publish with?

Dr. Cha's most frequent co-authors are Carlos Uriel Corvera, MD (8 shared papers), Omeed Moaven, MD (8 shared papers) and Perry Shen, MD (8 shared papers).

What insurance does Dr. Charles H. Cha accept?

Dr. Cha is in network with 14 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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