CHRISTINE WENDY CHANG (M.D.) – Internal Medicine Physician, NPI 1467441170
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 CHRISTINE WENDY CHANG (M.D.)
3, Cutting Drive, Maynard, Middlesex County, Massachusetts, 01754, United States
MAYNARD, MA 017542100
Phone: (978) 897-7429
Type: Mailing
Boston Children's at Waltham, 9, Hope Avenue, Riverview, Waltham, Middlesex County, Massachusetts, 02453, United States
SUITE 152
WALTHAM, MA 024532741
Phone: (781) 547-6030
Fax: (781) 547-6036
Type: Location
100 FRONT ST FL 11
WORCESTER, MA 016081425
Phone: (508) 595-2000
Fax: (508) 853-7149
Type: Mailing
326 NICHOLS RD
FITCHBURG, MA 014201914
Phone: (978) 878-8100
Fax: (978) 878-8442
Type: Location
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: 2004-03-18
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 |
|---|---|---|---|---|
| I20040318000107 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 82962 | Blood glucose (sugar) test performed by hand-held instrument | 64 | 41 | $0 |
| 83036 | Hemoglobin a1c level | 45 | 34 | $0 |
Insurance plans in this area (ZIP 01754)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | MA | |
| Internal Medicine | MA | |
| - | MA | |
| - | MA | |
| Emergency Medicine | MA | |
| Physical Therapist In Private Practice | MA | |
| Physician Assistant | MA | |
| Family Practice | MA | |
| Clinical Psychologist | MA | |
| - | MA |
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