KENNETH S LENG (M.D.) – Anesthesiology Physician, NPI 1700823440
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,323 ANESTHESIOLOGY in MA
Provider Addresses for KENNETH S LENG (M.D.)
2014 WASHINGTON ST
NEWTON, MA 024621607
Phone: (617) 243-6298
Type: Mailing
Beth Israel Deaconess Medical Center East Campus, 330, Brookline Avenue, Audubon Square, Boston, Suffolk County, Massachusetts, 02215, United States
STONEMAN 308
BOSTON, MA 02215
Phone: (617) 754-2675
Type: Location
1408, Commonwealth Avenue, Allston Heights, Allston, Boston, Suffolk County, Massachusetts, 02134, United States
#8
BRIGHTON, MA 021353720
Phone: (617) 754-2675
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-07-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050728000690 | I | Anesthesiology | MA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 25 | 25 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 20 | 20 | $0 |
| 01402 | Anesthesia for procedure for total knee joint replacement | 13 | 13 | $0 |
| 64447 | Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 12 | 12 | $0 |
| 00670 | Anesthesia for extensive surgery on spine | 11 | 11 | $0 |
Insurance plans in this area (ZIP 02462)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | MA | |
| Certified Registered Nurse Anesthetist (Crna) | MA | |
| - | MA | |
| A N E S T H E S I O L O G Y | CT | |
| A N E S T H E S I O L O G Y | MA | |
| Certified Registered Nurse Anesthetist (Crna) | MA | |
| A N E S T H E S I O L O G Y | MA | |
| A N E S T H E S I O L O G Y | MA | |
| A N E S T H E S I O L O G Y | NH | |
| A N E S T H E S I O L O G Y | DE |
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