DEREK NGUYEN (MD) – Family Medicine Physician, NPI 1790954931
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
822 FAMILY PRACTICE in CT
Provider Addresses for DEREK NGUYEN (MD)
1 WASHINGTON SQ
NEW BRITAIN, CT 060511848
Phone: (860) 224-3642
Fax: (860) 224-2760
Type: Location
635, Main Street, Middletown, Middlesex County, Connecticut, 06457, United States
ATTN: CREDENTIALING DPT
MIDDLETOWN, CT 064572718
Phone: (860) 347-6971
Fax: (860) 638-6601
Type: Mailing
631 S QUAKER LN
WEST HARTFORD, CT 061101043
Phone: (860) 233-5133
Fax: (860) 233-5212
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: 2011-04-13
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 |
|---|---|---|---|---|
| I20110413000040 | I | Family Practice | CT | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 353 | 138 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 160 | 145 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 121 | 112 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 34 | 27 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 31 | 30 | $0 |
Insurance plans in this area (ZIP 06051)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CT | |
| - | CT | |
| Physician Assistant | CT | |
| - | CT | |
| Family Practice | NY | |
| Physician Assistant | CT | |
| - | CT | |
| - | CT | |
| Internal Medicine, Geriatric Medicine | CT | |
| Nurse Practitioner | CT |
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