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NPI 1396981197 · East Setauket, NY · Gastroenterology Physician
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Alexandra Guillaume is a gastroenterology physician provider located in East Setauket, New York. This profile covers 16 Medicare and 1 Medicaid CPT/HCPCS procedure codes, with claims volume, average reimbursement, and total revenue by code, benchmarked against other providers billing the same services.
Provider details (source: NPPES NPI Registry)
| Field | Value |
|---|---|
| Entity Type | Individual |
| Organization | Alexandra Guillaume |
| Address | 3 Technology Dr |
| City | East Setauket |
| State | NY |
| ZIP | 11733 |
| Taxonomy | Gastroenterology Physician |
| NPI Enumerated | December 29, 2008 |
Lifetime revenue by payer source (source: CMS Medicare & Medicaid claims data)
| Payer Source | Total Paid |
|---|---|
| Medicare | $73.1K |
| Medicaid | $240 |
Medicare revenue breakdown by CPT/HCPCS procedure code.
View: Bar Chart1 / 2
The CPT/HCPCS codes generating the most Medicare revenue for this provider.
16 rows
| CPT/HCPCS Code | Description | Claims | Avg Paid | Revenue |
|---|---|---|---|---|
| 45385 | The provider examines the colon and rectum using a colonoscope, a long, thin flexible tubular instrument with a light source and camera. He removes one or more tumors, polyps, or other lesions with a… | 60 | $220 | $14.1K |
| 99214 | The provider sees an established patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a moderate level of medical decision making, and/or the… | 110 | $110 | $11.9K |
| 99222 | The provider sees a patient for an initial hospital inpatient or observation care visit involving evaluation and management (E/M). The visit involves a moderate level of medical decision making or… | 70 | $120 | $8.1K |
| 43239 | The provider inserts a flexible endoscope through the mouth and down into the esophagus, stomach, and duodenum where he removes one or more tissue biopsy specimens for diagnostic analysis. | 80 | $90 | $6.6K |
| 91010 | The provider uses a manometer to analyze esophageal muscle pressure and movement in a patient with gastroesophageal reflux disease or GERD. He interprets the findings and prepares a report. | 90 | $60 | $5.2K |
| 91037 | The provider performs gastroesphageal reflux test to determine the backflow of acid from the stomach into the esophagus with nasal catheter intraluminal impedance electrode placement. He records and… | 90 | $40 | $3.9K |
| 99204 | The provider sees a new patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a moderate level of medical decision making, and/or the provider… | 30 | $140 | $3.8K |
| 45380 | The provider examines the rectum and colon using a flexible colonoscope, a tubular instrument with a light source and camera, to look for the cause of a patient's symptoms, which may include… | 50 | $80 | $3.7K |
| 99215 | The provider sees an established patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a high level of medical decision making, and/or the… | 20 | $170 | $3.5K |
| 91122 | N/A | 40 | $80 | $3.4K |
Showing 1–10 of 16
How this provider's Medicare billing volume and revenue compare to other providers nationally and within its state, across 16 CPT/HCPCS codes.
View: State1 / 2
Full comparison — all codes billed, vs. state median
16 rows
| CPT/HCPCS Code | Rank | Provider Count | Median Claims | Avg Paid | Average Revenue |
|---|---|---|---|---|---|
| 45385 | 288 | 1,100 | 40 | $320 | $19.4K |
| 99214 | 13,961 | 30,450 | 90 | $100 | $19K |
| 45380 | 501 | 1,220 | 40 | $230 | $15K |
| 43239 | 419 | 1,290 | 50 | $180 | $14.2K |
| 99213 | 30,028 | 31,440 | 80 | $70 | $12.1K |
| 91120 | 3 | 20 | 20 | $430 | $11.1K |
| 99215 | 5,960 | 8,280 | 40 | $140 | $10.1K |
| 91122 | 7 | 30 | 30 | $230 | $8.4K |
| 45378 | 517 | 690 | 20 | $230 | $8.3K |
| 99204 | 7,542 | 14,170 | 30 | $130 | $6.6K |
Showing 1–10 of 16
Medicaid revenue breakdown by year and by CPT/HCPCS procedure code, including monthly billing trends and the top codes driving revenue.
View: By Year1 / 3
Every CPT/HCPCS code this provider has billed to Medicaid, with claims volume, average payment, and total revenue.
1 rows
| CPT/HCPCS Code | Description | Claims | Avg Paid | Revenue |
|---|---|---|---|---|
| 99213 | The provider sees an established patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a low level of medical decision making, and/or the… | 10 | $20 | $240 |
How this provider's Medicaid billing volume and revenue compare to other New York providers billing the same CPT/HCPCS codes.
Full comparison — all codes billed, vs. New York median
1 rows
| CPT/HCPCS Code | Description | Rank | Provider Count | Median Claims | Avg Paid | Average Revenue |
|---|---|---|---|---|---|---|
| 99213 | The provider sees an established patient for an office visit or other outpatient visit involving evaluation and management. The visit involves a low level of medical decision making, and/or the… | 18,474 | 19,110 | 360 | $70 | $321K |
Other providers in the same ZIP code as Alexandra Guillaume, ranked by combined Medicare and Medicaid revenue.
| Provider | State | Taxonomy | Medicare Revenue | Medicaid Revenue |
|---|---|---|---|---|
| Eric Berkowitz | NY | Vascular & Interventional Radiology Physician | $2.6M | $1.2M |
| Steven Montana | NY | Hematology & Oncology Physician | $2.2M | $28.3K |
| Fadi El-baba | NY | Retina Specialist (Ophthalmology) Physician | $2M | $18K |
| Joseph Cirrone | NY | Radiation Oncology Physician | $1.7M | $0 |
| Mark Borek | NY | Cardiovascular Disease Physician | $1.5M | $0 |
| Martin Silverstein | NY | Radiation Oncology Physician | $1.2M | $17.5K |
| Gurmohan Syali | NY | Medical Oncology Physician | $1.1M | $69.2K |
| Rocco Caruso | NY | Hematology & Oncology Physician | $1M | $4.6K |
| Khurram Chaudhary | NY | Retina Specialist (Ophthalmology) Physician | $910.4K | $66.8K |
| Christopher Cesa | NY | Cardiovascular Disease Physician | $804.8K | $30 |
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