Dr. Janarthanan Someswarananthan, MD
Internal Medicine in Chelmsford, Massachusetts
1134212830- Practice location
- 290 Littleton RD Unit 3, Chelmsford, MA 01824-3429
- Phone
- 978-685-2460
- Fax
- —
- Last updated
- April 13, 2026
Janarthanan Someswarananthan is an Internal Medicine based in Chelmsford, MA. Janarthanan Someswarananthan practices in Chelmsford, MA and has the professional credentials of MD. The NPI Number for Janarthanan Someswarananthan is 1134212830 and holds a License No. ME83087 (FL). The current practice location address for Janarthanan Someswarananthan is 290 Littleton RD Unit 3, Chelmsford, MA 01824-3429 and can be reached out via phone at 978-685-2460.
Provider Profile Details
- NPI Number
- 1134212830
- Provider Name
- Janarthanan Someswarananthan
- Credential
- MD
- Provider Entity Type
- Individual
- Gender
- Male
- Address
- 290 Littleton RD Unit 3, Chelmsford, MA 01824-3429
- Phone Number
- 978-685-2460
- Primary Taxonomy
- Internal Medicine · 207R00000X
- Sole Proprietor
- Yes
- Provider Enumeration Date
- October 2, 2006
- Last Update Date
- April 13, 2026
- Certification Date
- April 13, 2026
- NPI Status
- Active
Provider Business Practice Location Address Details
- Address
- 290 Littleton RD Unit 3
Chelmsford, MA 01824-3429 - City
- Chelmsford
- State
- Massachusetts
- Zip
- 01824-3429
- Phone Number
- 978-685-2460
Provider Business Mailing Address Details
- Address
- 290 Littleton RD Unit 3
Chelmsford, MA 01824-3429 - City
- Chelmsford
- State
- MA
- Zip
- 01824-3429
- Phone Number
- 978-685-2460
License Information
- License Number (1)
- ME83087
- License State (1)
- FL
- Taxonomy (1)
- Internal Medicine · 207R00000X
- License Number (2)
- 230684
- License State (2)
- MA
- Taxonomy (2)
- Hospitalist · 208M00000X
- License Number (3)
- 230684
- License State (3)
- MA
- Taxonomy (3)
- 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. Janarthanan Someswarananthan, MD?
The NPI number of Dr. Janarthanan Someswarananthan, MD is 1134212830. It was assigned on October 2, 2006 and is currently active in the NPPES registry.
What is the specialty of Dr. Janarthanan Someswarananthan, MD?
Dr. Janarthanan Someswarananthan, MD is registered under the primary taxonomy Internal Medicine (code 207R00000X), licensed in FL under license number ME83087.
Where does Dr. Janarthanan Someswarananthan, MD practice?
The practice location is 290 Littleton RD Unit 3, Chelmsford, MA 01824-3429. The office can be reached at 978-685-2460 (phone).
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 1134212830 directly on the NPPES registry website.