Doctor profile · Federal record
Dr. Maria Lonshteyn
Gastroenterology Physician (CMS: Gastroenterology) · Beverly, MA
- NPI 1720247653
- Accepts Medicare
- MIPS 88.4 / 100 · 2023
- 18 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
100 Cummings Ctr Ste 107C
Beverly, MA 019156128
(978) 232-1120
fax (978) 232-0110 - Additional location
-
105 Erdman Way
Leominster, MA 014531805
(978) 537-7552 - Additional location
-
715 Albany St, Evans 124
Boston, MA 021182526
(617) 638-6500
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- August 18, 2021
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Massachusetts #248245
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720247653. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
490
Distinct HCPCS
10
Medicare allowed
$66,576
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 106 | 84 | $130 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 77 | 77 | $243 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 68 | 68 | $93 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 53 | 53 | $89 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 32 | 32 | $94 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 29 | 29 | $168 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 27 | 21 | $81 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 23 | 23 | $184 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 20 | 20 | $133 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 15 | 13 | $134 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 54. This provider delivers 9.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
448
Patients
114
Total drug cost
$78,553
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 110 | 46 | $3,170 |
| Pantoprazole Sodium | Generic | 59 | 25 | $1,623 |
| Dicyclomine Hcl | Generic | 35 | 15 | $742 |
| Linzess (Linaclotide) | Brand | 33 | 0 | $22,786 |
| Sucralfate | Generic | 31 | 17 | $1,233 |
| Mesalamine | Generic | 24 | 0 | $17,423 |
| Famotidine | Generic | 22 | 0 | $590 |
| Motegrity (Prucalopride Succinate) | Brand | 22 | 0 | $11,807 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 21 | 11 | $2,605 |
| Metoclopramide Hcl | Generic | 20 | 0 | $32 |
Frequently asked questions
What is Dr. Maria Lonshteyn's medical specialty?
Dr. Maria Lonshteyn practices Gastroenterology Physician in Beverly, MA.
Where does Dr. Maria Lonshteyn practice?
Dr. Maria Lonshteyn practices at 100 Cummings Ctr Ste 107C, Beverly, MA 019156128. Office phone: 9782321120.
What is Dr. Maria Lonshteyn's NPI?
Dr. Maria Lonshteyn's National Provider Identifier (NPI) is 1720247653, issued by NPPES.
Does Dr. Maria Lonshteyn accept Medicare assignment?
Yes. Dr. Maria Lonshteyn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Lonshteyn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.