DR. MEGAN BRADLEY CALLAHAN (M.D.) – Internal Medicine Physician, NPI 1881662864
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
7,722 INTERNAL MEDICINE in MA
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Provider Addresses for DR. MEGAN BRADLEY CALLAHAN (M.D.)
CHA Everett Hospital, 103, Garland Street, Glendale, Everett, Middlesex County, Massachusetts, 02149, United States
EVERETT, MA 021495066
Phone: (617) 394-7701
Type: Location
PO BOX 810
HANOVER, NH 037550810
Phone: (603) 308-1472
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 40 Open Payments records for all available years, with a total value of $847.
Total Amount is formed as General ($847) + Research ($0) + Ownership ($0) = $847.
Last reported payment date: 2024-12-05 • Largest payer in this snapshot: Lundbeck LLC ($518).
Total Amount
$847
General + Research + Ownership
Payments
40
Total payment records
General Amount
$847
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-05
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2023-02-08
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 |
|---|---|---|---|---|
| I20060822000171 | I | Internal Medicine | MA | TBD |
| I20230208003291 | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 63 | 37 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 57 | 57 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 02149)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | SC | |
| A N E S T H E S I O L O G Y | MA | |
| Internal Medicine | OH | |
| Certified Registered Nurse Anesthetist (Crna) | MA | |
| A N E S T H E S I O L O G Y | MA | |
| A N E S T H E S I O L O G Y | MN | |
| Internal Medicine, Hospitalist | MA | |
| A N E S T H E S I O L O G Y | MA | |
| A N E S T H E S I O L O G Y | NH | |
| Cardiovascular Disease (Cardiology), Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | MA |
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