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

Dr. Joshan K Shajan, MD

Individual provider General Practice Physician · NPI 1790043040

Dr. Joshan K Shajan, MD is an Internal Medicine in Cos Cob, Connecticut. Qualified in 2012, 14 years ago. Works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Connecticut.

Years since qualifying
14
Licensed in
CA, CT
In the registry since
2012
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

40 E Putnam Ave Ste 1B
Cos Cob, CT 06807-2606
Phone: (203) 489-5442
Fax: (203) 325-3270
Show map & directions

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

Additional practice locations (1)

  • 3863 Clairemont Dr, San Diego, CA 92117-5831 — (858) 483-5570

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 53782 (CT)
General Practice Physician Taxonomy 208D00000X · Licence A155675 (CA)

Record details

NPI number1790043040
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 24, 2012
Last updated in NPPESApril 10, 2026
Certification dateApril 10, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services