Marissa Blackwell, MD
Neurology Physician · Newark, DE
Marissa Blackwell, MD is a neurology physician with a practice address in Newark, Delaware, and NPI 1275094294, issued on Mar 31, 2019. Check the license (Delaware C1-0027182, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Marissa Blackwell
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- C1-0027182 DE
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hygeia Dr Ste 1420, Newark, DE 19713
- Phone
- (302) 623-3017
- Enumerated
- Mar 31, 2019
- Entity
- Type 1 · individual
Also registered at 200 Hygeia Dr Ste 1420
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rizwana AhmedRegistered Nurse1457809865
- Ahmad Ali, MDNeurology Physician1073282158
- Jessica Bradley, MDNeurology Physician1477795433
- Steven Cherry, DONeurology Physician1992382055
- Sandeep Devarapalli, MDNeuromuscular Medicine (Psychiatry & Neurology) Physician1356756142
- Emily Discavage, PA-CPhysician Assistant1528727633
Verify Marissa Blackwell 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 C1-0027182Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
78% fewer Medicare Part D claims than the average neurology physician in 2024
303 Medicare Part D claims for 107 beneficiaries, against an average of 1,356 among the 13,714 providers of this specialty who prescribed in Part D.
Most prescribed
- Mycophenolate Mofetil40 claims
- Gabapentin30 claims
- Baclofen21 claims
- Prednisone21 claims
- Duloxetine Hcl18 claims
- Pyridostigmine Bromide18 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: $73.29
2 payments, mostly food and beverage; the largest payer was Csl Behring. The 9,995 providers of this specialty with any payment received $8,603.82 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.
One hospital or facility affiliation
- Christiana Care Health Services IncNewark, DE
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Neurology Physician providers in Delaware
There are 70 neurology physician records in Delaware.
Other neurology physician records in Delaware
- Muhammad Afzal, MDNewark, DE1780248112
- Gina Alderson, MDSeaford, DE1619032752
- Ahmad Ali, MDNewark, DE1073282158
- Narsis Aminian, MDNewark, DE1710416870
- Enrica Arnaudo, MDNewark, DE1144271354
- Sung Bae, MDNewark, DE1396795076
- Sidney Bean, MDWilmington, DE1124070404
- Jessica Bradley, MDNewark, DE1477795433
- Michael Carunchio, M.D.Newark, DE1881646164
- Toni Catania, PACNewark, DE1497776538
Common questions
What is Marissa Blackwell, MD's NPI number?
Marissa Blackwell, MD's National Provider Identifier (NPI) is 1275094294, issued on Mar 31, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Blackwell, MD located?
The NPPES record lists a practice address at 200 Hygeia Dr Ste 1420, Newark, DE, 19713. Phone: (302) 623-3017. Providers update this record themselves, so call before visiting.
How can I verify Marissa Blackwell, MD's license?
NPPES lists Delaware license number C1-0027182, 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 Marissa Blackwell, MD prescribe under Medicare Part D?
In 2024, Marissa Blackwell, MD had 303 Medicare Part D claims for 107 beneficiaries; the average among neurology physician prescribers was 1,356. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.