Dr. Glenda Grace Callender, MD
- Medicare services, 2024
- 151
- Medicare patients, 2024
- 80
- Part D claims, 2024
- 30
- Publications
- 52
- Clinical trials
- 1
- Practice address
- 2800 Main St, Bridgeport, CT 06606
- Practice phone
- Call (203) 576-5551
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Callender'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. Glenda Grace Callender is a surgical oncologist in Bridgeport, Connecticut
Dr. Callender practices at St. Vincent's Medical Center in Bridgeport, Connecticut, part of Hartford HealthCare.
Dr. Callender's NPI, 1952599441, was assigned on October 9, 2007. Dr. Callender graduated from Harvard Medical School in 2000. Dr. Callender holds Connecticut license 51630.
- NPI
- 1952599441NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779667373
- NPI enumeration date
- October 9, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 576-5551
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Glenda Grace Callender practices at St. Vincent's Medical Center in Bridgeport, Connecticut
Dr. Callender'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.
- St. Vincent's Medical Center2800 Main St, Bridgeport, CT 06606 · Fairfield CountyPhone(203) 576-5551
Source: Dmand AI Affiliation Data
Dr. Glenda Grace Callender is affiliated with 3 sites of care and 2 medical groups
Dr. Callender's primary practice is St. Vincent's Medical Center in Bridgeport, Connecticut, part of Hartford HealthCare. Dr. Callender is also affiliated with Yale New Haven Hospital. The medical group on file is Hartford HealthCare Medical Group Specialists. Dmand AI also links Dr. Callender to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Glenda Grace Callender's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Callender practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Vincent's Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Glenda Grace Callender is one of 34 surgical oncologists in Connecticut
Surgical oncology is Dr. Callender's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dr. Callender is licensed in Connecticut.
Specialties and state licenses
- Surgical oncology, ConnecticutPrimary
Surgical oncologists near Dr. Callender
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. Glenda Grace Callender billed Medicare for 151 services in 2024
CMS data shows 151 Medicare services from Dr. Callender across 3 procedure codes in 2024, for 80 Medicare patients. Medicare paid $39,210 for them.
Dr. Callender's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1002024: 8515%
- Office and hospital visits
- 2023: 892024: 6626%
Where Dr. Callender's Medicare services took place, 2024
- In an office11979%
- In a facility3221%
Dr. Callender compared with the Connecticut median for surgical oncologists, 2024
- Dr. Callender
- Connecticut median
- Medicare services
- 151vs 9756% above
- Medicare patients
- 80vs 757% above
- Part D claims
- 11vs 2861% below
Medians across 30 surgical oncologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Callender'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.
Need commercial claims for Dr. Callender?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Callender and other surgical oncologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Glenda Grace Callender treated 80 Medicare patients in 2024, average age 72
CMS counts 80 Medicare patients who saw Dr. Callender in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.56, 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. Callender's median patient age at 63, with 77% women.
Dr. Callender's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Callender's Medicare patients by sex, 2024
- Women6176%
- Men1924%
Chronic conditions among Dr. Callender's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Osteoporosis36%
- Anxiety34%
- Diabetes30%
- Ischemic heart disease28%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Callender's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women77%
- Men21%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Glenda Grace Callender wrote 30 Medicare Part D claims in 2024
In 2024, Dr. Callender wrote 30 Medicare Part D claims for 21 patients. 97% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $110 in total drug cost. In 2023, CMS named 22 claims across 1 drug.
Dr. Callender's Part D claims by kind of drug, 2024
- Generic29 claims97%
- Brand-name and other1 claims3%
Dr. Callender's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 222024: 1150%
Drugs named by CMS: 1 in 2024, 1 in 2023.
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. Glenda Grace Callender 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. Callender for performance year 2024, reported as part of a group. Dr. Callender accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Callender'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.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Glenda Grace Callender has 52 publications on record
Dmand AI links 52 papers to Dr. Callender, published from 2010 to 2020. 2012 was the busiest year, with 9. The most frequent topics are Melanoma, Skin Neoplasms and Lymphatic Metastasis. Dr. Callender has published most often in Am Surg. Dr. Callender's most frequent co-authors are Kelly M. McMasters, MD, Michael Earl Egger, MD and Amy Riddell Quillo, MD.
Dr. Callender's papers by year, 2011 to 2020
Topics Dr. Callender writes about most
- Melanoma
- Skin Neoplasms
- Lymphatic Metastasis
- Sentinel Lymph Node Biopsy
- Liver Neoplasms
- Adenoma
- Colorectal Neoplasms
- Lymph Node Excision
Dr. Callender's most frequent co-authors
- Kelly M. McMasters, MD25 shared papers
- Michael Earl Egger, MD12 shared papers
- Amy Riddell Quillo, MD12 shared papers
Recent publications by Dr. Callender
See who Dr. Callender researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Callender works with, so you can find a warm path to the right surgical oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Glenda Grace Callender has worked on 1 clinical trial
Dmand AI links Dr. Callender to 1 clinical trial. Conditions studied include Thyroid Cancer, Papillary and Adenocarcinoma, Papillary.
Conditions in Dr. Callender's trials
- Thyroid Cancer, Papillary
- Adenocarcinoma, Papillary
Recent clinical trials with Dr. Callender
Percutaneous Ethanol Injection for Primary Papillary Thyroid Microcarcinoma (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Glenda Grace Callender received $296 in industry payments from 2016 to 2025
CMS Open Payments shows 5 general payments to Dr. Callender from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Corcept Therapeutics paid the most, $134.
General payments to Dr. Callender by program year, 2016 to 2025
Companies that paid Dr. Callender the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Glenda Grace Callender graduated from Harvard Medical School
Dr. Callender graduated from Harvard Medical School in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Glenda Grace Callender'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Glenda Grace Callender
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. Glenda Grace Callender's NPI number?
Dr. Glenda Grace Callender's NPI number is 1952599441. It was assigned on October 9, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Glenda Grace Callender?
Dr. Glenda Grace Callender is a surgical oncologist in Bridgeport, Connecticut. The primary specialty in the NPI Registry is Surgical Oncology Physician (taxonomy code 2086X0206X).
Where does Dr. Glenda Grace Callender practice?
Dr. Callender practices at 2800 Main St, Bridgeport, CT 06606. Dr. Callender's primary practice is St. Vincent's Medical Center in Bridgeport, Connecticut, part of Hartford HealthCare. Dmand AI also links Dr. Callender to 1 group practice or clinic and 1 medical group.
What is Dr. Glenda Grace Callender's office phone number?
The practice phone on file for Dr. Callender is (203) 576-5551.
What is Dr. Glenda Grace Callender's medical license number?
Dr. Callender holds Connecticut license 51630.
Which hospitals is Dr. Glenda Grace Callender affiliated with?
Dr. Callender practices at St. Vincent's Medical Center in Bridgeport, Connecticut. Dr. Callender is also affiliated with Yale New Haven Hospital.
What medical group is Dr. Glenda Grace Callender part of?
Dr. Callender is linked to Hartford HealthCare Medical Group Specialists. Dmand AI links Dr. Callender to 1 more medical group.
Does Dr. Glenda Grace Callender accept Medicare?
Yes. CMS data shows Dr. Callender billed Medicare for 151 services in 2024, and Dr. Callender accepts Medicare assignment.
What is Dr. Glenda Grace Callender's MIPS score?
Dr. Callender's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Dr. Glenda Grace Callender see?
CMS counts 80 Medicare patients who saw Dr. Callender in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
What services does Dr. Glenda Grace Callender bill to Medicare?
In 2024, Dr. Callender's most billed Medicare services were office visit, new patient (99204), surgery: lungs and airway (31575) and surgery: endocrine glands (60500).
Where did Dr. Glenda Grace Callender go to medical school?
Dr. Callender graduated from Harvard Medical School in 2000.
What drugs does Dr. Glenda Grace Callender prescribe most?
In 2024 Medicare Part D data, Dr. Callender's most prescribed drugs by claims were Calcitriol.
Has Dr. Glenda Grace Callender received payments from drug or device companies?
CMS Open Payments shows $296 in general payments to Dr. Callender from 4 companies from 2016 to 2025. The largest total came from Corcept Therapeutics.
How long has Dr. Glenda Grace Callender been practicing?
Dr. Callender graduated from medical school in 2000, 26 years ago.
Does Dr. Glenda Grace Callender do research?
Dmand AI links 52 publications to Dr. Callender, published from 2010 to 2020. Dr. Callender has worked on 1 clinical trial.
Who does Dr. Glenda Grace Callender publish with?
Dr. Callender's most frequent co-authors are Kelly M. McMasters, MD (25 shared papers), Michael Earl Egger, MD (12 shared papers) and Amy Riddell Quillo, MD (12 shared papers).
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