SOPHIA KOO (M.D.) – Infectious Disease Physician, NPI 1174581771
Infectious Disease 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 SOPHIA KOO (M.D.)
107;111, Cypress Street, Brookline Village Commercial District, Brookline, Norfolk County, Massachusetts, 02445-7638, United States
BROOKLINE, MA 024456002
Phone: (857) 307-0896
Type: Mailing
Brigham and Women's Hospital, 75, Francis Street, Roxbury, Boston, Suffolk County, Massachusetts, 02115, United States
75 FRANCIS ST/MEDICINE
BOSTON, MA 02115
Phone: (617) 732-6660
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 $10,175.
Total Amount is formed as General ($10,175) + Research ($0) + Ownership ($0) = $10,175.
Last reported payment date: 2024-08-21 • Largest payer in this snapshot: VERTEX PHARMACEUTICALS INCORPORATED ($10,175).
Total Amount
$10,175
General + Research + Ownership
Payments
3
Total payment records
General Amount
$10,175
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| VERTEX PHARMACEUTICALS INCORPORATED | $10,175 |
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: 2010-09-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20100909000849 | I | Infectious Disease | MA | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 130 | 76 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 42 | 26 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 35 | 34 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 19 | 14 | $0 |
Insurance plans in this area (ZIP 02445)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hematology/Oncology, Internal Medicine | MA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MA | |
| Hematology/Oncology, Pediatric Medicine | MA | |
| Radiation Oncology | MA | |
| - | MA | |
| Medical Oncology | WA | |
| H E M A T O L O G Y/ O N C O L O G Y | MA | |
| Hematology, Internal Medicine | MA | |
| Orthopedic Surgery | MA | |
| Hematology, Medical Oncology | MA |
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