CHRISTINA M DEMATTEO (DO) – Internal Medicine Physician, NPI 1033438254
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
916 INTERNAL MEDICINE in ME
Provider Addresses for CHRISTINA M DEMATTEO (DO)
301C US ROUTE 1
SCARBOROUGH, ME 040749701
Phone: (207) 396-8600
Fax: (207) 396-8632
Type: Mailing
22 BRAMHALL ST
PORTLAND, ME 041023134
Phone: (207) 662-4618
Fax: (207) 662-6254
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: 2013-09-12
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 |
|---|---|---|---|---|
| I20130912000300 | I | Internal Medicine | ME | 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 | 40 | 30 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 22 | 20 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 20 | 20 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 20 | 14 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 19 | 19 | $0 |
Insurance plans in this area (ZIP 04074)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | PA | |
| Internal Medicine | ME | |
| - | ME | |
| - | ME | |
| Cardiovascular Disease (Cardiology) | ME | |
| - | ME | |
| - | ME | |
| Family Practice, Hospice/Palliative Care | ME | |
| Pediatric Medicine, Endocrinology | MA | |
| Nurse Practitioner | ME |
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