Dr. Charles Bigajer, MD
- Medicare services, 2024
- 116
- Medicare patients, 2024
- 70
- Part D claims, 2024
- 377
- Hospital affiliations
- 1
- Industry payments
- $7,158
- Practice address
- 1 Brookdale Plaza, Brooklyn, NY 11212
- Practice phone
- Call (718) 240-5966
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bigajer's professional email, personal email and mobile number
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Dr. Charles Bigajer is a gastroenterologist in Brooklyn, New York
Dr. Bigajer practices at Brookdale Hospital Medical Center in Brooklyn, New York, part of One Brooklyn Health System.
Dr. Bigajer's NPI, 1679652119, was assigned on November 3, 2006. Dr. Bigajer graduated from Albert Einstein College of Medicine of Yeshiva University in 1974. Dr. Bigajer holds New York license 124918.
- NPI
- 1679652119NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709866551
- NPI enumeration date
- November 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (718) 240-5966
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles Bigajer practices at Brookdale Hospital Medical Center in Brooklyn, New York
Dr. Bigajer's primary practice is Brookdale Hospital Medical Center, at 1 Brookdale Plaza, Brooklyn, NY 11212 in Kings County. The practice phone is (718) 240-5966.
- Brookdale Hospital Medical Center1 Brookdale Plaza, Brooklyn, NY 11212 · Kings CountyPhone(718) 240-5966
Source: Dmand AI Affiliation Data
Dr. Charles Bigajer is affiliated with 3 sites of care and 4 medical groups
Dr. Bigajer's primary practice is Brookdale Hospital Medical Center in Brooklyn, New York, part of One Brooklyn Health System. The medical group on file is Brookdale University Hospital and Medical Center. Dmand AI also links Dr. Bigajer to 3 more medical groups and 2 group practices and clinics, 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. Charles Bigajer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bigajer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brookdale Hospital Medical Center | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across One Brooklyn Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Charles Bigajer is one of 1,583 gastroenterologists in New York
Gastroenterology is Dr. Bigajer's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Bigajer is licensed in New York.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
Gastroenterologists near Dr. Bigajer
Counts of gastroenterologists 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 Bigajer billed Medicare for 116 services in 2024
CMS data shows 116 Medicare services from Dr. Bigajer across 3 procedure codes in 2024, for 70 Medicare patients. Medicare paid $8,734 for them.
Dr. Bigajer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1762024: 6663%
- Lab and pathology
- 2023: 332024: 356%
- Surgery
- 2023: 312024: 1552%
Where Dr. Bigajer's Medicare services took place, 2024
- In an office10187%
- In a facility1513%
Dr. Bigajer compared with the New York median for gastroenterologists, 2024
- Dr. Bigajer
- New York median
- Medicare services
- 116vs 42172% below
- Medicare patients
- 70vs 23670% below
- Part D claims
- 304vs 38220% below
Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.
Dr. Bigajer'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bigajer and other gastroenterologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles Bigajer treated 70 Medicare patients in 2024, average age 73
CMS counts 70 Medicare patients who saw Dr. Bigajer in 2024. The largest group is 65 to 74, with 34 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.50, 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. Bigajer's median patient age at 60, with 67% women.
Dr. Bigajer's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Bigajer's Medicare patients by sex, 2024
- Women4159%
- Men2941%
Chronic conditions among Dr. Bigajer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes57%
- Arthritis44%
- Ischemic heart disease29%
- Cancer21%
- Chronic kidney disease19%
- COPD16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bigajer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women67%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles Bigajer wrote 377 Medicare Part D claims in 2024
In 2024, Dr. Bigajer wrote 377 Medicare Part D claims for 209 patients. 86% of them were for generic drugs. CMS names the drug for 304 of them, across 9 drugs with 11 or more claims each, at $7,919 in total drug cost. In 2023, CMS named 378 claims across 8 drugs.
Dr. Bigajer's Part D claims by kind of drug, 2024
- Generic326 claims86%
- Brand-name51 claims14%
Dr. Bigajer'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.
Drug classes CMS tracks in Dr. Bigajer's Part D claims, 2024
- Antibiotics10%36 of 377 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3782024: 30420%
Drugs named by CMS: 9 in 2024, 8 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. Charles Bigajer ranks in the 48th percentile for colonoscopy in Medicare
Dr. Bigajer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bigajer as offering telehealth. CMS counts 20 procedures of colonoscopy by Dr. Bigajer, more than 48% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Bigajer ranks in Medicare procedure volume
- Colonoscopy
- 48th percentile20 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 45th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Charles Bigajer received $7,158 in industry payments from 2016 to 2025
CMS Open Payments shows 218 general payments to Dr. Bigajer from 45 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $888.
General payments to Dr. Bigajer by program year, 2016 to 2025
Companies that paid Dr. Bigajer 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. Charles Bigajer graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Bigajer graduated from Albert Einstein College of Medicine of Yeshiva University in 1974.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Charles Bigajer'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)Doctors and Clinicians Utilization Data (CMS) (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. Charles Bigajer
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 Bigajer's NPI number?
Dr. Charles Bigajer's NPI number is 1679652119. It was assigned on November 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles Bigajer?
Dr. Charles Bigajer is a gastroenterologist in Brooklyn, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Charles Bigajer practice?
Dr. Bigajer practices at 1 Brookdale Plaza, Brooklyn, NY 11212. Dr. Bigajer's primary practice is Brookdale Hospital Medical Center in Brooklyn, New York, part of One Brooklyn Health System. Dmand AI also links Dr. Bigajer to 3 medical groups and 2 group practices and clinics.
What is Dr. Charles Bigajer's office phone number?
The practice phone on file for Dr. Bigajer is (718) 240-5966.
What is Dr. Charles Bigajer's medical license number?
Dr. Bigajer holds New York license 124918.
Which hospitals is Dr. Charles Bigajer affiliated with?
Dr. Bigajer practices at Brookdale Hospital Medical Center in Brooklyn, New York.
What medical group is Dr. Charles Bigajer part of?
Dr. Bigajer is linked to Brookdale University Hospital and Medical Center. Dmand AI links Dr. Bigajer to 3 more medical groups.
Does Dr. Charles Bigajer accept Medicare?
Yes. CMS data shows Dr. Bigajer billed Medicare for 116 services in 2024, and Dr. Bigajer accepts Medicare assignment.
Does Dr. Charles Bigajer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Bigajer as offering telehealth services.
How many Medicare patients does Dr. Charles Bigajer see?
CMS counts 70 Medicare patients who saw Dr. Bigajer in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Charles Bigajer bill to Medicare?
In 2024, Dr. Bigajer's most billed Medicare services were office visit, established patient (99213), lab and pathology test (88305) and surgery: digestive system (45380).
Where did Dr. Charles Bigajer go to medical school?
Dr. Bigajer graduated from Albert Einstein College of Medicine of Yeshiva University in 1974.
What drugs does Dr. Charles Bigajer prescribe most?
In 2024 Medicare Part D data, Dr. Bigajer's most prescribed drugs by claims were Gavilyte-G, Omeprazole and Pantoprazole Sodium.
Has Dr. Charles Bigajer received payments from drug or device companies?
CMS Open Payments shows $7,158 in general payments to Dr. Bigajer from 45 companies from 2016 to 2025. The largest total came from Bausch Health Americas, Inc.
How long has Dr. Charles Bigajer been practicing?
Dr. Bigajer graduated from medical school in 1974, 52 years ago.
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