- Medicare Primary Care in Cos Cob, CT

is a medicare enrolled primary clinic (Internal Medicine) in Cos Cob, Connecticut. The current practice location for is 40 E Putnam Ave Ste 1b, Cos Cob, Connecticut. For appointments, you can reach them via phone at (203) 489-5442. The mailing address for is 212 Bible St, Cos Cob, Connecticut and phone number is (646) 652-1791.

is licensed to practice in * (Not Available) (license number ). The clinic also participates in the medicare program and its NPI number is 1962997940. This medical practice accepts medicare insurance (which means this clinic accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance). However, please confirm if they accept your insurance at (203) 489-5442.

Contact Information

40 E Putnam Ave Ste 1b
Cos Cob
CT 06807-2606
(203) 489-5442
(203) 325-3270

Map and Direction


Primary Care Clinic Profile

Full Name
SpecialityInternal Medicine
Location40 E Putnam Ave Ste 1b, Cos Cob, Connecticut
Authorized Official Name and PositionJoshan K Shajan (MANAGER)
Authorized Official Contact2033252120
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address

212 Bible St
Cos Cob
CT 06807-1322

Ph: (646) 652-1791

40 E Putnam Ave Ste 1b
Cos Cob
CT 06807-2606

Ph: (203) 489-5442

NPI Details:

NPI Number1962997940
Provider Enumeration Date06/22/2018
Last Update Date05/14/2023

Medicare PECOS Information:

Medicare PECOS PAC ID1759617244
Medicare Enrollment IDO20190722001186

Medical Identifiers

Medical identifiers for such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1962997940NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine (* (Not Available))Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. acts as a billing entity for following providers:
Provider NameMoha Kulkarni Ahuja
Provider TypePractitioner - Family Practice
Provider IdentifiersNPI Number: 1255587218
PECOS PAC ID: 9133349616
Enrollment ID: I20141006000055
Provider NameJoshan K Shajan
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1790043040
PECOS PAC ID: 9638497571
Enrollment ID: I20150406001079
Provider NameViet Vo
Provider TypePractitioner - Family Practice
Provider IdentifiersNPI Number: 1073193975
PECOS PAC ID: 0143679415
Enrollment ID: I20231212001830

Reviews and Comments


Internal Medicine in Cos Cob, CT

Greenwich Integrative Medicine Pc
Primary Care Clinic
Medicare: Not Enrolled in Medicare
Practice Location: 35 River Rd, Cos Cob, CT 06807
Phone: 203-863-3615    
Walsh-brunetti Llc
Primary Care Clinic
Medicare: Not Enrolled in Medicare
Practice Location: 31 River Rd, Suite 200, Cos Cob, CT 06807
Phone: 203-661-9433    Fax: 203-661-2918
Francis X Walsh Md Pc
Primary Care Clinic
Medicare: Medicare Enrolled
Practice Location: 31 River Rd Ste 200, Cos Cob, CT 06807
Phone: 203-661-9433    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.