Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Juan J. Mallari, MD

Individual provider Anesthesiology Physician · NPI 1508834854

Juan J. Mallari, MD is an Anesthesiology in Waltham, Massachusetts. Graduated from Saint Louis University School of Medicine in 1986, 40 years ago. Practices with Jjm Medical Services PC, a 38-clinician group and accepts Medicare assignment. Licensed in Connecticut, Massachusetts and New Jersey.

Years since qualifying
40
Trained at
Saint Louis University School of Medicine
Licensed in
CT, MA, NJ
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1440 Main St
Waltham, MA 02451
Phone: (781) 891-9300
Fax: (781) 891-9305
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 78874 (MA)
Anesthesiology Physician Taxonomy 207L00000X · Licence 037082 (CT)
Anesthesiology Physician Taxonomy 207L00000X · Licence 25MA08043200 (NJ)

Record details

NPI number1508834854
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 12, 2006
Last updated in NPPESJanuary 22, 2009

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Jjm Medical Services Pc — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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