Dr. Karthik Gunachelvan
Internal Medicine in Darien, Connecticut
1740604941- Practice location
- 1500 Post RD Ste 100, Darien, CT 06820-5936
- Phone
- 203-655-8749
- Fax
- 203-656-0701
- Last updated
- October 21, 2025
Karthik Gunachelvan is an Internal Medicine based in Darien, CT. Karthik Gunachelvan practices in Darien, CT. The NPI Number for Karthik Gunachelvan is 1740604941 and holds a License No. 82825 (CT). The current practice location address for Karthik Gunachelvan is 1500 Post RD Ste 100, Darien, CT 06820-5936 and can be reached out via phone at 203-655-8749 and via fax at 203-656-0701.
Provider Profile Details
- NPI Number
- 1740604941
- Provider Name
- Karthik Gunachelvan
- Provider Entity Type
- Individual
- Gender
- Male
- Address
- 1500 Post RD Ste 100, Darien, CT 06820-5936
- Phone Number
- 203-655-8749
- Fax Number
- 203-656-0701
- Primary Taxonomy
- Internal Medicine · 207R00000X
- Sole Proprietor
- Yes
- Provider Enumeration Date
- February 7, 2014
- Last Update Date
- October 21, 2025
- Certification Date
- October 21, 2025
- NPI Status
- Active
Provider Business Practice Location Address Details
- Address
- 1500 Post RD Ste 100
Darien, CT 06820-5936 - City
- Darien
- State
- Connecticut
- Zip
- 06820-5936
- Phone Number
- 203-655-8749
- Fax Number
- 203-656-0701
Provider Business Mailing Address Details
- Address
- 1500 Post RD Ste 100
Darien, CT 06820-5936 - City
- Darien
- State
- CT
- Zip
- 06820-5936
- Phone Number
- 203-655-8749
- Fax Number
- 203-656-0701
License Information
- License Number
- 82825
- License State
- CT
- Taxonomy
- Internal Medicine · 207R00000X · Primary
Legacy Identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| No legacy identifiers (Medicaid, Medicare or plan IDs) are on file for this provider. | |||
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Frequently Asked Questions
What is the NPI number of Dr. Karthik Gunachelvan?
The NPI number of Dr. Karthik Gunachelvan is 1740604941. It was assigned on February 7, 2014 and is currently active in the NPPES registry.
What is the specialty of Dr. Karthik Gunachelvan?
Dr. Karthik Gunachelvan is registered under the primary taxonomy Internal Medicine (code 207R00000X), licensed in CT under license number 82825.
Where does Dr. Karthik Gunachelvan practice?
The practice location is 1500 Post RD Ste 100, Darien, CT 06820-5936. The office can be reached at 203-655-8749 (phone) or 203-656-0701 (fax).
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). It is used in HIPAA standard transactions.
How do I verify this NPI record?
This record is sourced from the public NPPES NPI Registry maintained by CMS. You can confirm it by searching NPI 1740604941 directly on the NPPES registry website.