Charles Bigajer, MD
NPI 1679652119 · Gastroenterology Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Bigajer, MD is a Gastroenterology Physician provider in Brooklyn, NY (NPI 1679652119).
Provider details
- NPI number
- 1679652119
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 124918 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
116 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 66 | $104 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 35 | $39 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 15 | $198 |
Typical Medicare-allowed amounts for these services range $39–$198 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 64 | 59 |
| Omeprazole | 62 | 28 |
| Pantoprazole Sodium | 54 | 18 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 52 | 52 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 21 | 21 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 16 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$327 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles Bigajer's NPI number?
- Charles Bigajer's National Provider Identifier (NPI) is 1679652119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Bigajer's specialty?
- Charles Bigajer is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Bigajer located?
- Charles Bigajer's practice location on file with NPPES is One Brookdale Plaza, Brooklyn, NY 11212.
- What is Charles Bigajer's phone number?
- The practice phone number listed in the NPPES registry for Charles Bigajer is (718) 240-6385.
- Does Charles Bigajer accept Medicare?
- Charles Bigajer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Bigajer's NPI active?
- Yes — Charles Bigajer's NPI (1679652119) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.