Doctor profile · Federal record
Dr. Ruth Ross-McCormack, MD
Gastroenterology Physician (CMS: Internal Medicine) · Arlington, MA
- NPI 1295835833
- Accepts Medicare
- MIPS 88.4 / 100 · 2023
- 36 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
37 Broadway, Lahey Arlington
Arlington, MA 024745552
(781) 641-0100
fax (781) 744-7132 - Mailing address
-
Lahey Clinic, 41 Mall Road
Burlington, MA 018050001
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- October 30, 2012
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Massachusetts #77649
- Medicaid
- MA #3141161
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295835833. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
478
Distinct HCPCS
8
Medicare allowed
$45,475
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 123 | 80 | $143 | |
36415 |
Insertion of needle into vein for collection of blood sample | 117 | 96 | $8 | |
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 | 66 | 64 | $6 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 56 | 56 | $121 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 42 | 42 | $273 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 29 | 26 | $101 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 28 | 27 | $115 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 17 | 17 | $125 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 59. This provider delivers 8.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
696
Patients
312
Total drug cost
$27,662
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 222 | 83 | $4,968 |
| Famotidine | Generic | 213 | 76 | $3,759 |
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 84 | 82 | $1,535 |
| Pantoprazole Sodium | Generic | 63 | 19 | $1,470 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 43 | 41 | $794 |
| Esomeprazole Magnesium | Generic | 28 | 0 | $2,835 |
| Mesalamine | Generic | 21 | 0 | $11,891 |
| Atenolol | Generic | 11 | 11 | $185 |
| Lisinopril | Generic | 11 | 0 | $226 |
Frequently asked questions
What is Dr. Ruth Ross-McCormack's medical specialty?
Dr. Ruth Ross-McCormack practices Gastroenterology Physician in Arlington, MA.
Where does Dr. Ruth Ross-McCormack practice?
Dr. Ruth Ross-McCormack practices at 37 Broadway, Arlington, MA 024745552. Office phone: 7816410100.
What is Dr. Ruth Ross-McCormack's NPI?
Dr. Ruth Ross-McCormack's National Provider Identifier (NPI) is 1295835833, issued by NPPES.
Does Dr. Ruth Ross-McCormack accept Medicare assignment?
Yes. Dr. Ruth Ross-McCormack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ruth Ross-McCormack commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); 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). Source: CMS Medicare Physician & Other Practitioners file.