DR. JANARTHANAN SOMESWARANANTHAN (MD) – Internal Medicine Physician, NPI 1134212830
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,722 INTERNAL MEDICINE in MA
Provider Addresses for DR. JANARTHANAN SOMESWARANANTHAN (MD)
25 Highland Ave
Newburyport, MA 019503867
Phone: (978) 463-1000
Type: Location
Merrimack Health Methuen Hospital, 70, East Street, Methuen, Essex County, Massachusetts, 01844, United States
METHUEN, MA 018444597
Phone: (978) 376-1835
Type: Mailing
290 LITTLETON RD UNIT 3
CHELMSFORD, MA 018243429
Phone: (978) 685-2460
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $280.
Total Amount is formed as General ($280) + Research ($0) + Ownership ($0) = $280.
Last reported payment date: 2023-10-24 • Largest payer in this snapshot: ACADIA Pharmaceuticals Inc ($241).
Total Amount
$280
General + Research + Ownership
Payments
3
Total payment records
General Amount
$280
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ACADIA Pharmaceuticals Inc | $241 |
| Neurocrine BioSciences, Inc. | $39 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2020-05-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070413000564 | I | Internal Medicine | MA | TBD |
| I20200528002078 | I | Internal Medicine | NH | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 658 | 393 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 250 | 241 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 117 | 114 | $0 |
| 99305 | Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 117 | 114 | $0 |
| 99306 | Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 101 | 98 | $0 |
Insurance plans in this area (ZIP 01950)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | NY | |
| - | MA | |
| Internal Medicine | MA | |
| Internal Medicine | MA | |
| Internal Medicine | MA | |
| Nurse Practitioner | MA | |
| - | MA | |
| Nurse Practitioner | MA | |
| - | MA | |
| - | MA |
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