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

Carl Geahchan, MD

Individual provider Critical Care Medicine (Anesthesiology) Physician · NPI 1902272776

Carl Geahchan, MD is an Anesthesiology in Boston, Massachusetts. Qualified in 2012, 14 years ago. Practices with Pratt Anesthesiology Associates Inc, a 155-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
14
Licensed in
MA
In the registry since
2015
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

800 Washington St Dept OF Surgery
Boston, MA 02111-1552
Phone: (617) 636-8003
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Anesthesiology) Physician (primary) Taxonomy 207LC0200X · Licence 287954 (MA)

Record details

NPI number1902272776
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 17, 2015
Last updated in NPPESFebruary 19, 2024
Certification dateFebruary 19, 2024

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Pratt Anesthesiology Associates Inc — 155 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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