Doctor profile · Federal record

Dr. Juan Mallari, MD

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Anesthesiology Physician · Waltham, MA

  • NPI 1508834854
  • Accepts Medicare
  • 40 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1440 Main Street
Waltham, MA 02451
(781) 891-9300
fax (781) 891-9305
Mailing address
Po Box 1849
Lewiston, ME 042411849

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
January 22, 2009
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (3)
Massachusetts #78874 · Connecticut #037082 · New Jersey #25MA08043200
Medicaid (2)
CT #001370824 · MA #3175987

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508834854. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
749
Distinct HCPCS
3
Medicare allowed
$56,681
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 580 545 $67
00140 Anesthesia for other procedure on eye 134 129 $94
00145 Anesthesia for retinal surgery 35 35 $143

In context: peer comparison

Among 3 peers in this city , average services per provider: 94. This provider delivers 8.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Juan Mallari's medical specialty?
Dr. Juan Mallari practices Anesthesiology Physician in Waltham, MA.
Where does Dr. Juan Mallari practice?
Dr. Juan Mallari practices at 1440 Main Street, Waltham, MA 02451. Office phone: 7818919300.
What is Dr. Juan Mallari's NPI?
Dr. Juan Mallari's National Provider Identifier (NPI) is 1508834854, issued by NPPES.
Does Dr. Juan Mallari accept Medicare assignment?
Yes. Dr. Juan Mallari accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Juan Mallari commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for other procedure on eye (HCPCS 00140); Anesthesia for retinal surgery (HCPCS 00145). Source: CMS Medicare Physician & Other Practitioners file.