Joshan K Shajan, M.D.
Internal Medicine · Cos Cob, CT
At a glance
40 E Putnam Ave Ste 1B, Cos Cob, CT 06807-2606
NPPES record updated Apr 10, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
40 E Putnam Ave Ste 1BCos Cob, CT 06807-2606
Additional reported practice locations
3863 Clairemont DrSan Diego, CA 921175831
Phone: 8584835570
Fax: 8584835572
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2012
- CMS specialties
- Internal Medicine
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Reported hospital affiliations
- Greenwich Hospital Association - Greenwich, CT
- Stamford Hospital Stamford, CT
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $91.06 |
Reporting companies
| Company | Amount |
|---|---|
| ABBVIE INC. | $60.35 |
| AZURITY PHARMACEUTICALS, INC. | $16.76 |
| ASTRAZENECA PHARMACEUTICALS LP | $13.95 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Internal Medicine
- Taxonomy code
- 207R00000X
- Enumeration date
- Apr 24, 2012
- Record updated
- Apr 10, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
208D00000X
License reported: A155675 CA
207R00000X · Primary
License reported: 53782 CT
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
40 E Putnam Ave Ste 1BCos Cob, CT 06807-2606
- Phone
- (203) 489-5442
- Fax
- (203) 325-3270
Mailing address
212 BIBLE STCOS COB, CT 068071322
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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