Doctor profile · Federal record
Dr. Anna Leszczynski
Gastroenterology Physician (CMS: Gastroenterology) · Burlington, MA
- NPI 1942566732
- Accepts Medicare
- MIPS 88.4 / 100 · 2023
- 14 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
41 Mall RD
Burlington, MA 018050001
(781) 744-8740 - Additional location
-
One Boston Medical Center Place, Boston Medical Center
Boston, MA 02118
(617) 638-8000 - Mailing address
-
One Boston Medical Center Place, Boston Medical Center
Boston, MA 02118
Credentials & registration
- NPI registered
- April 2012 — 14 yrs on file
- Profile last updated
- October 2, 2018
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Massachusetts #274071
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942566732. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
565
Distinct HCPCS
10
Medicare allowed
$67,450
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 154 | 101 | $106 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 101 | 99 | $6 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 75 | 75 | $273 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 52 | 50 | $110 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 50 | 50 | $116 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 43 | 42 | $138 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 20 | 20 | $189 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 19 | 19 | $119 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 15 | 15 | $174 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $144 |
In context: peer comparison
Among 11 peers in Burlington Gastroenterology Physician, average services per provider: 43. This provider delivers 13× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
269
Patients
59
Total drug cost
$68,670
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 96 | 28 | $2,831 |
| Famotidine | Generic | 55 | 15 | $5,506 |
| Esomeprazole Magnesium | Generic | 30 | 0 | $1,099 |
| Firvanq (Vancomycin Hcl) | Brand | 17 | 0 | $2,538 |
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 17 | 16 | $360 |
| Linzess (Linaclotide) | Brand | 17 | 0 | $19,360 |
| Creon (Lipase/Protease/Amylase) | Brand | 14 | 0 | $27,920 |
| Colestipol Hcl | Generic | 12 | 0 | $1,448 |
| Motegrity (Prucalopride Succinate) | Brand | 11 | 0 | $7,609 |
Hospital affiliations
Frequently asked questions
What is Dr. Anna Leszczynski's medical specialty?
Dr. Anna Leszczynski practices Gastroenterology Physician in Burlington, MA.
Where does Dr. Anna Leszczynski practice?
Dr. Anna Leszczynski practices at 41 Mall RD, Burlington, MA 018050001. Office phone: 7817448740.
What is Dr. Anna Leszczynski's NPI?
Dr. Anna Leszczynski's National Provider Identifier (NPI) is 1942566732, issued by NPPES.
Does Dr. Anna Leszczynski accept Medicare assignment?
Yes. Dr. Anna Leszczynski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Anna Leszczynski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.