DR. CAROLINE ANNE MCFADDEN (M.D.) – Allergy Physician, NPI 1437362993
Allergy Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
201 ALLERGY/IMMUNOLOGY in MA
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Provider Addresses for DR. CAROLINE ANNE MCFADDEN (M.D.)
Ivy Realty Group, 40, Holland Street, Davis Square, Somerville, Middlesex County, Massachusetts, 02144, United States
SOMERVILLE, MA 021442705
Phone: (617) 629-6250
Type: Location
Harvard Vanguard, 147, Milk Street, Dock Square, Financial District, Boston, Suffolk County, Massachusetts, 02110, United States
BOSTON, MA 021094806
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2008-05-21
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 |
|---|---|---|---|---|
| I20080521000374 | I | Allergy/Immunology | 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 |
|---|---|---|---|---|
| 95018 | Test for allergy using combination of methods with drug or biological | 145 | 20 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 51 | 43 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 51 | 19 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 46 | 46 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 42 | 42 | $0 |
Insurance plans in this area (ZIP 02144)
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Provider's Procedures
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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