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

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1306908314

Maritza Lastra Groth, MD is a Critical Care (Intensivists) in Port Jefferson, New York. Qualified in 1983, 43 years ago. Practices with John T Mather Memorial Hospital, a 180-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
43
Licensed in
NY
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

70 N Country Rd Ste 101
Port Jefferson, NY 11777-2161
Phone: (631) 473-0037
Fax: (631) 473-0228
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 159478 (NY)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 159478 (NY)
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X · Licence 159478 (NY)

Record details

NPI number1306908314
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 15, 2006
Last updated in NPPESFebruary 14, 2013

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Also practisesINTERNAL MEDICINE, PULMONARY DISEASE, SLEEP MEDICINE
Medical schoolOTHER
Graduated 1983 (43 years in practice)
Group practice John T Mather Memorial Hospital — 180 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Port Jefferson