Quick answers
- Does Gregory J. Kechejian accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory J. Kechejian accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Gregory J. Kechejian see?
- In 2024, CMS data shows 742 Original Medicare patients and 1,871 services for Gregory J. Kechejian. This counts Original Medicare only and measures volume, not quality.
- What is Gregory J. Kechejian's NPI number?
- 1942202502. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Gregory J. Kechejian, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 742 |
|---|---|
| Services billed to Medicare | 1,871 |
| Different services or procedures | 161 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)815 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)140 services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)86 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)57 services
- Ultrasonic guidance for blood vessel access (76937)55 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Diabetes42%
- Ischemic heart disease37%
- Chronic kidney disease35%
Hospitals where Gregory J. Kechejian works
Medicare's Facility Affiliation Data lists Gregory J. Kechejian at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Beth Israel Deaconess Hospital - MiltonMilton, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220108
- South Shore HospitalSouth Weymouth, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220100
Practice locations
Addresses where Gregory J. Kechejian is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 Highland St, Suite 222Milton, MA 02186 (617) 696‑0660
Specialties
- General Surgeryprimary
Other general surgeons in Milton
Clinicians with the same Medicare primary specialty in Milton, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942202502 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians