Sherin Ibrahim Howett, DO
Sleep Medicine (Internal Medicine) Physician · Millsboro, DE
Sherin Ibrahim Howett, DO is a sleep medicine (internal medicine) physician with a practice address in Millsboro, Delaware, and NPI 1114144516, issued on Apr 19, 2007. Check the license (Delaware C2-0009422, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Sherin Ibrahim Howett
- Credential
- DO
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License number
- C2-0009422 DE
Self-reported in NPPES; status is on the state search - Practice location
- 28539 Dupont Blvd, Millsboro, DE 19966
- Phone
- (302) 648-2099
- Enumerated
- Apr 19, 2007
- Record last updated
- Mar 11, 2026
- Fax
- (302) 648-2097
- Medicaid ID
- 1144528308 DE
- Medicare enrollment
- Enrolled (PECOS I20110302000776); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
4 nearest sleep medicine (internal medicine) physician records → All 5 in Delaware → Look up another NPI →
Also registered at 28539 Dupont Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carla Miller, FNPNurse Practitioner1992137731
- Brittany Steele, CRNPNurse Practitioner1851789879
- Julia Tovar, FNP-CNurse Practitioner1801656079
Verify Sherin Ibrahim Howett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C2-0009422Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
53 Medicare Part D claims for 24 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D.
Most prescribed
- Ramelteon17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 90.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $831.16
39 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Pearl Clinic LLCMillsboro, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in Delaware
There are 5 sleep medicine (internal medicine) physician records in Delaware.
All 5 in Delaware → Every provider in Millsboro → Sleep Medicine (Internal Medicine) Physician nationwide →
The 4 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- John Coll, DODover, DE 199011265439582
- Christina Lee, MDNewark, DE 197131467912014
- Anthony Vasile, D.O.Newark, DE 197131821071820
- Cristian Zhang Xu, M.D.Middletown, DE 197091376287987
Common questions
What is Sherin Ibrahim Howett, DO's NPI number?
Sherin Ibrahim Howett, DO's National Provider Identifier (NPI) is 1114144516, issued on Apr 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sherin Ibrahim Howett, DO located?
The NPPES record lists a practice address at 28539 Dupont Blvd, Millsboro, DE, 19966. Phone: (302) 648-2099. Providers update this record themselves, so call before visiting.
How can I verify Sherin Ibrahim Howett, DO's license?
NPPES lists Delaware license number C2-0009422, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sherin Ibrahim Howett, DO prescribe under Medicare Part D?
In 2024, Sherin Ibrahim Howett, DO had 53 Medicare Part D claims for 24 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.
What is Sherin Ibrahim Howett, DO's MIPS final score?
The 2023 MIPS final score is 90.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.