19 Years of Experience
Who is Dr. Eisdorfer, Colon & Rectal Surgeon (Proctologist) in Brooklyn, NY?
Castle Connolly Top Doctor
Castle Connolly Top Doctors are doctor-nominated and selected by a physician-led research team.
Is Dr. Eisdorfer board certified as a Colon & Rectal Surgeon (Proctologist)?
Yes, Dr. Jacob Eisdorfer, DO is board certified by the American Board of Surgery
What languages does Dr. Eisdorfer speak?
Dr. Eisdorfer and their clinical team can communicate with patients in the following languages:
- English
- Yiddish
What conditions does a Colon & Rectal Surgeon (Proctologist) like Dr. Eisdorfer typically treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Eisdorfer diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Eisdorfer. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Second Degree Hemorrhoids
- Third Degree Hemorrhoids
- Hemorrhoids
- Internal hemorrhoids that prolapse
- Grade 2 hemorrhoids
- Moderate hemorrhoids
- Prolapsed hemorrhoids
- Grade 3 hemorrhoids
- Severe hemorrhoids
ICD-10 Codes:
- K641: Second degree hemorrhoids
- K642: Third degree hemorrhoids
Also known as:
- Anal Dysplasia
- Anal Fistula
- Anal Disorder
- Fistulas
- Abnormal anal cells
- Precancerous anal changes
- Anal epithelial dysplasia
- Perianal Fistula
- Fistula-in-Ano
- Abnormal Anal Tract
ICD-10 Codes:
- K6282: Dysplasia of anus
- K603: Anal fistula
Also known as:
- Anal Fissure
- Anal Disorder
- Rectal Tear
- Fissure in Anus
- Perianal Fissure
ICD-10 Codes:
- K602: Anal fissure, unspecified
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
Also known as:
- Colorectal Cancer
- Colon cancer
- Rectal cancer
- Bowel cancer
- Malignant neoplasm of sigmoid colon
ICD-10 Codes:
- C187: Malignant neoplasm of sigmoid colon
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
What procedures does a Colon & Rectal Surgeon (Proctologist) like Dr. Eisdorfer typically perform?
As a Colon & Rectal Surgeon (Proctologist), Dr. Eisdorfer performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Eisdorfer. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- High-Resolution Anoscopy with Biopsy
- Anoscopy
- HRA with Biopsy
- Anal Canal Magnification Exam
- Anorectal Biopsy
CPT Codes:
- 46607: Anoscopy; with high-resolution magnification (HRA) (eg, colposcope, operating microscope) and chemical agent enhancement, with biopsy, single or multiple
Also known as:
- Anoscopy (Diagnostic)
- Anoscopy
- Anal Canal Exam
- Rectal Scope Exam
- Anus Diagnostic Procedure
CPT Codes:
- 46600: Anoscopy; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Rectal Tumor Removal Through Anus
- Transanal tumor excision
- Full thickness rectal resection
- Rectal cancer surgery via anus
CPT Codes:
- 45172: Excision of rectal tumor, transanal approach; including muscularis propria (ie, full thickness)
Also known as:
- Anal Fistula Surgery
- Fistulectomy
- Fistulotomy
- Intersphincteric Fistula Repair
- Perianal Fistula Surgery
CPT Codes:
- 46275: Surgical treatment of anal fistula (fistulectomy/fistulotomy); intersphincteric
Also known as:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Removal of Anal Lesions (Electrocautery)
- Anal Wart Removal (Electrocautery)
- Electrosurgical Destruction of Anal Lesions
- Anus Lesion Excision
- Electrodessication of Anal Condyloma
CPT Codes:
- 46910: Destruction of lesion(s), anus (eg, condyloma, papilloma, molluscum contagiosum, herpetic vesicle), simple; electrodesiccation
Does Dr. Eisdorfer accept my insurance?
Dr. Eisdorfer accepts most major insurance plans. Important: Please contact the office before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Eisdorfer accept in Brooklyn, NY?
Dr. Eisdorfer in Brooklyn, NY accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Amida Care
Cascade Comprehensive Care
Cigna Group
Commonwealth Health Corporation (CHC)
CVS Health (formerly Aetna)
Elderplan
Medicaid
Medicare
National Benefit Fund
Service Employees International Union (SEIU)
View All Insurances
Where is Dr. Eisdorfer's office located?
What hospitals are Dr. Eisdorfer affiliated with?
Dr. Eisdorfer has admitting privileges at the following hospitals:
Recognitions
Castle Connolly Doctor’s Choice Awards
Doctor’s Choice - 2025
Among the most nominated for the Castle Connolly Top Doctor recognition in 2025
What is Dr. Eisdorfer's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Eisdorfer's National Provider Identifier (NPI) number is 1487706255.
What common questions do patients ask about Dr. Eisdorfer?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Eisdorfer