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

Mark William Lamastro, MD

Individual provider Anesthesiology Physician · NPI 1659361004

Mark William Lamastro, MD is an Anesthesiology in Port Chester, New York. Graduated from New York Medical College in 1987, 39 years ago. Practices with Ramapo Anesthesiologists, PC, a 80-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
39
Trained at
New York Medical College
Licensed in
NY
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

728 King St
Port Chester, NY 10573
Phone: (914) 939-8858
Fax: (914) 939-3814
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 185 362 1 (NY)
Pain Medicine (Anesthesiology) Physician Taxonomy 207LP2900X · Licence 185 362 1 (NY)

Record details

NPI number1659361004
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 26, 2005
Last updated in NPPESSeptember 26, 2014
Mailing address728 King St, Port Chester, NY 10573

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1987 (39 years in practice)
Group practice Ramapo Anesthesiologists, Pc — 80 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount