DR. SHERIN IBRAHIM HOWETT (DO) – Sleep Medicine (Internal Medicine) Physician, NPI 1114144516
Sleep Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
80 CRITICAL CARE (INTENSIVISTS) in DE
Provider Addresses for DR. SHERIN IBRAHIM HOWETT (DO)
230 MITCHELL ST STE B
MILLSBORO, DE 199669402
Phone: (302) 648-2099
Fax: (302) 648-2097
Type: Location
PO BOX 489
DAGSBORO, DE 199390489
Phone: (302) 648-2099
Fax: (302) 648-2097
Type: Mailing
28539 DUPONT BLVD
MILLSBORO, DE 199664798
Phone: (302) 648-2099
Fax: (302) 648-2097
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 80 Open Payments records for all available years, with a total value of $2,173.
Total Amount is formed as General ($2,173) + Research ($0) + Ownership ($0) = $2,173.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Inspire Medical Systems, Inc. ($878).
Total Amount
$2,173
General + Research + Ownership
Payments
80
Total payment records
General Amount
$2,173
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inspire Medical Systems, Inc. | $878 |
| Novo Nordisk Inc | $319 |
| Lilly USA, LLC | $142 |
| GlaxoSmithKline, LLC. | $64 |
| AstraZeneca Pharmaceuticals LP | $60 |
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: 2011-03-02
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20110302000776 | I | Internal Medicine | DE | 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 |
|---|---|---|---|---|
| 99457 | Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 700 | 335 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 538 | 334 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 256 | 183 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 97 | 97 | $0 |
| G0008 | Administration of influenza virus vaccine | 81 | 81 | $0 |
Insurance plans in this area (ZIP 19966)
Loading plans...
Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | DE | |
| Nurse Practitioner | DE | |
| Nurse Practitioner | DE |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.