Stephanie Howe Guarino, M.D.
Pediatric Hematology & Oncology Physician · Wilmington, DE
Stephanie Howe Guarino, M.D. is a pediatric hematology & oncology physician with a practice address in Wilmington, Delaware, and NPI 1114219458, issued on May 4, 2011. Check the license (Delaware C1-0011375, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Stephanie Howe Guarino
- Credential
- M.D.
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- C1-0011375 DE
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Rockland RD, Wilmington, DE 19803
- Phone
- (302) 651-5500
- Enumerated
- May 4, 2011
- Record last updated
- Jul 30, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (302) 651-5510
- Medicare enrollment
- Enrolled (PECOS I20180719001232); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 2011
- Entity
- Type 1 · individual
Also registered at 1600 Rockland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Aaronson, M.D.Pediatric Otolaryngology Physician1285925305
- Erioluwa Akhimien, PHARMDPharmacist1295610541
- Brad Albertson, M.D.Pediatrics Physician1972983716
- Angela Alfano, M.S. CCC-SLPSpeech-Language Pathologist1942480579
- Lida Alimorad, D.D.SPediatric Dentistry1013201987
- Anthony Alioto, PH.DClinical Child & Adolescent Psychologist1134138662
Verify Stephanie Howe Guarino 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 C1-0011375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average pediatric hematology & oncology physician in 2024
31 Medicare Part D claims for 12 beneficiaries, against an average of 94 among the 300 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Oxycodone Hcl13 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.
Industry payments in 2024: $125.00
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 1,215 providers of this specialty with any payment received $7,404.07 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
- Christiana Care Health Services IncWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in Delaware
There are 22 pediatric hematology & oncology physician records in Delaware.
Other pediatric hematology & oncology physician records in Delaware
- Amy Barone, MDWilmington, DE1184827875
- Amy Billett, MDWilmington, DE1821059130
- Emi Caywood, MDWilmington, DE1306990585
- Maureen Edelson, MDWilmington, DE1144310889
- Christopher Frantz, MDWilmington, DE1407948375
- Marti Goldenberg, D.O.Wilmington, DE1578126777
- Manuel Gonzales, MDWilmington, DE1891324307
- Gregory Griffin, MDWilmington, DE1912099896
- Darcy Hamill, DOWilmington, DE1336541382
- Peter Ho, M.D., PH.D.Greenville, DE1073610648
Common questions
What is Stephanie Howe Guarino, M.D.'s NPI number?
Stephanie Howe Guarino, M.D.'s National Provider Identifier (NPI) is 1114219458, issued on May 4, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Howe Guarino, M.D. located?
The NPPES record lists a practice address at 1600 Rockland RD, Wilmington, DE, 19803. Phone: (302) 651-5500. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Howe Guarino, M.D.'s license?
NPPES lists Delaware license number C1-0011375, 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 Stephanie Howe Guarino, M.D. prescribe under Medicare Part D?
In 2024, Stephanie Howe Guarino, M.D. had 31 Medicare Part D claims for 12 beneficiaries; the average among pediatric hematology & oncology physician prescribers was 94. Part D covers Medicare prescriptions only.
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.