DR. MARISSA BLACKWELL MD
NPI 1275094294
Psychiatry & Neurology - Neurology in Newark, DE

Active since March 31, 2019PECOS EnrolledAccepts Medicare Assignment
200 HYGEIA DR STE 1420, NEWARK, DE 19713(302) 623-3017(302) 266-9962 Get Directions Write a Review

NPPES record last updated: July 10, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 10, 2024, Jun 25, 2023 (2 updates tracked since 2023).

About Dr. Marissa Blackwell Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARISSA BLACKWELL MD (NPI 1275094294) is an individual neurology provider in Newark, Delaware, licensed in Delaware (C1-0027182) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2019).

NPPES Registry Identity

NPI1275094294
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameDR. MARISSA BLACKWELLCredential: MD
Location Address200 HYGEIA DR STE 1420Newark, DE 19713-2049
Mailing Address1215 Lee St. Box 800394Charlottesville, VA 22908-0816 · (434) 924-5306 · Fax (434) 982-1064
Fax(302) 266-9962
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2019
Enumeration DateMarch 31, 2019
Last NPPES UpdateJuly 10, 20242 updates tracked since enumeration
NPPES CertifiedJuly 10, 2024
NPI 1275094294 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in DE · C1-0027182
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
200 HYGEIA DR STE 1420, Newark, DE 19713

Secondary Practice Locations 2

Location 122 S Greene St Rm N3E09Baltimore, MD 21201-1544 · Phone (410) 328-6110
Location 21215 Lee St. Neurology 800394Charlottesville, VA 22908-1544 · Phone (434) 924-5306 · Fax (434) 982-1064

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Marissa Blackwell Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527390822
PECOS Enrollment IDI20240720000002
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Needle measurement of electrical activity in arm or leg muscles, complete study 95886
This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.
49 services34 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
41 services40 patients
Nerve conduction, 9-10 studies 95911
Nerve conduction studies involve sending small electrical shocks through the skin to measure how quickly nerves transmit signals. This helps detect nerve damage. 9-10 studies mean this process will be repeated on different nerves to gather comprehensive data.
18 services18 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
17 services17 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
17 services17 patients
Needle measurement of electrical activity in arm or leg muscles, limited study 95885
This procedure, known as an electromyography (EMG), involves placing tiny needles into your arm or leg muscles to measure their electrical activity. It's a limited study, meaning only specific muscles are tested. This helps identify any muscle or nerve dysfunction.
16 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19713 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$131.15 typical visit price
range $57.12 – $173.08
Typical copayment $32.78 (range $14.28 – $43.27)
Most-billed visit code 99204
Established Patient
$100.68 typical visit price
range $18.36 – $141.05
Typical copayment $25.17 (range $4.59 – $35.26)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Neurology)
200 HYGEIA DR STE 1420
NEWARK, DE 19713
Psychiatry & Neurology (Neurology)
200 HYGEIA DR STE 1420
NEWARK, DE 19713
Psychiatry & Neurology (Neurology)
200 HYGEIA DR STE 1420
NEWARK, DE 19713
Psychiatry & Neurology (Vascular Neurology)
200 HYGEIA DR STE 1420
NEWARK, DE 19713
Psychiatry & Neurology (Neurology)
200 HYGEIA DR STE 1420
NEWARK, DE 19713
Psychiatry & Neurology (Neurology)
200 HYGEIA DR STE 1420
NEWARK, DE 19713
Psychiatry & Neurology (Neurology)
200 HYGEIA DR STE 1420
NEWARK, DE 19713
Psychiatry & Neurology (Neurology)
200 HYGEIA DR STE 1420
NEWARK, DE 19713

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marissa Blackwell's NPI number?

The NPI number for Marissa Blackwell is 1275094294. It was assigned to this individual provider in the NPPES registry on March 31, 2019.

Where is Marissa Blackwell located?

Marissa Blackwell practices at 200 Hygeia Dr Ste 1420, Newark, DE 19713. The listed phone number is (302) 623-3017.

What is Marissa Blackwell's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Marissa Blackwell enrolled in Medicare?

Yes. Marissa Blackwell is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Marissa Blackwell accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 1 other insurer list Marissa Blackwell as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marissa Blackwell was last updated on July 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.