JUAN J. MALLARI (MD) – Anesthesiology Physician, NPI 1508834854
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,323 ANESTHESIOLOGY in MA
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Provider Addresses for JUAN J. MALLARI (MD)
Lewiston Post Office, 49, Ash Street, Lewiston, Androscoggin County, Maine, 04240, United States
LEWISTON, ME 042411849
Phone: (207) 784-2554
Fax: (207) 777-5363
Type: Mailing
1440, Main Street, Waltham, Middlesex County, Massachusetts, 02451, United States
WALTHAM, MA 02451
Phone: (781) 891-9300
Fax: (781) 891-9305
Type: Location
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: 2007-07-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20070508000359 | I | Anesthesiology | NY | TBD |
| I20070720000627 | 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 |
|---|---|---|---|---|
| 00142 | Anesthesia for lens surgery | 580 | 545 | $0 |
| 00140 | Anesthesia for other procedure on eye | 134 | 129 | $0 |
| 00145 | Anesthesia for retinal surgery | 35 | 35 | $0 |
Insurance plans in this area (ZIP 04241)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NJ | |
| A N E S T H E S I O L O G Y | MA | |
| - | VT | |
| Certified Registered Nurse Anesthetist (Crna) | NY | |
| Certified Registered Nurse Anesthetist (Crna) | RI | |
| A N E S T H E S I O L O G Y | CT | |
| Pain Management | 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 | MA |
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