DR. BRIAN THOMAS TREZAK (MD) – Internal Medicine Physician, NPI 1003913526
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
5,968 INTERNAL MEDICINE in NC
Provider Addresses for DR. BRIAN THOMAS TREZAK (MD)
20 YORK STREET, CB-2041
NEW HAVEN, CT 065103220
Phone: (203) 688-4748
Fax: (203) 688-4740
Type: Mailing
1843 Quiet Cove
Fayetteville, NC 283043857
Phone: (910) 483-8080
Fax: (910) 483-3258
Type: Location
321 Mulberry St SW
Lenoir, NC 28645
Phone: (828) 757-5504
Fax: (828) 757-5501
Type: Location
789 Central Ave
Dover, NH 038202526
Phone: (603) 740-2503
Fax: (910) 483-3258
Type: Location
267 Grant St
Bridgeport, CT 066102805
Phone: (203) 384-4677
Fax: (203) 384-3135
Type: Location
805 PAMPLICO HWY
FLORENCE, SC 295056047
Phone: (843) 792-1414
Type: Location
1290 SILAS DEANE HWY
WETHERSFIELD, CT 061094337
Phone: (860) 224-5990
Type: Mailing
PO BOX 23321
NEW YORK, NY 100873221
Phone: (843) 792-1414
Type: Mailing
Bridgeport Hospital, 267, Grant Street, Historic East Side, Bridgeport, Fairfield County, Connecticut, 06610, United States
BRIDGEPORT, CT 066102805
Phone: (203) 384-4677
Fax: (203) 384-3135
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: 2024-08-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20050124000901 | I | Internal Medicine | SC | TBD |
| I20160928001206 | I | Internal Medicine | NH | TBD |
| I20240829000488 | 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 |
|---|---|---|---|---|
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 201 | 201 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 75 | 73 | $0 |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 22 | 22 | $0 |
Insurance plans in this area (ZIP 06510)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| Internal Medicine, Nephrology | MA | |
| Internal Medicine, Family Practice | NH | |
| Internal Medicine | MA | |
| Internal Medicine | FL | |
| - | MA | |
| Physician Assistant | NM | |
| Nurse Practitioner | MA | |
| Internal Medicine | MA | |
| Internal Medicine, Nephrology, Hospitalist | MA |
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