DR. DAVID T PARRELLA MD
NPI 1225233141
Psychiatry & Neurology - Vascular Neurology in Dover, DE

Active since June 20, 2007PECOS EnrolledAccepts Medicare Assignment
640 S STATE ST, DOVER, DE 19901(302) 674-4700 Get Directions Write a Review

NPPES record last updated: March 30, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 30, 2026, Oct 2, 2023, Aug 7, 2018 (3 updates tracked since 2018).

About Dr. David T Parrella Md NPPES

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

DR. DAVID T PARRELLA MD (NPI 1225233141) is an individual vascular neurology provider in Dover, Delaware, licensed in Delaware (C-10028325) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of Rutgers New Jersey Medical School (2007).

NPPES Registry Identity

NPI1225233141
Entity TypeIndividualMale
Primary Taxonomy2084V0102X
Provider Legal NameDR. DAVID T PARRELLACredential: MD
Location Address640 S STATE STDover, DE 19901-3530
Mailing Address640 S State StDover, DE 19901-3530 · (302) 526-1470 · Fax (302) 674-1398
Sole ProprietorNo
Medical School CMSRutgers New Jersey Medical SchoolGraduated 2007
Enumeration DateJune 20, 2007
Last NPPES UpdateMarch 30, 20263 updates tracked since enumeration
NPPES CertifiedMarch 30, 2026
✔ NPI 1225233141 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Vascular NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084V0102X
Licenses✔ Licensed in DE · C-10028325✔ Licensed in NY · 281038-1✔ Licensed in NJ · 25MA08959700✔ Licensed in TN · 68600
Definition
Vascular Neurology is a subspecialty in the evaluation, prevention, treatment and recovery from vascular diseases of the nervous system. This subspecialty includes the diagnosis and treatment of vascular events of arterial or venous origin from a large number of causes that affect the brain or spinal cord such as ischemic stroke, intracranial hemorrhage, spinal cord ischemia and spinal cord hemorrhage.
Also ListedRadiology · Vascular & Interventional RadiologyTaxonomy 2085R0204X · License 281038-1 (NY), 25MA08959700 (NJ)
640 S STATE ST, Dover, DE 19901

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. David T Parrella 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 ID7315254802
PECOS Enrollment IDI20251016004430
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.

Medicare Billing Reassignments

2

Medicare enrollment records show David Parrella reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Thoracic Surgery (Cardiothoracic Vascular Surgery)
540 S GOVERNORS AVE STE 101A
Dover, DE 19904
  • Reassigned Medicare billing, Delaware enrollment
  • Also billed through NPI 1356808208 (Delaware)
  • 202 clinicians in this Medicare group
Vascular & Interventional Radiology
2200 NORTHERN BLVD, SUITE 207
East Hills, NY 11548
  • Reassigned Medicare billing, New Jersey enrollment
  • 13 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
45 services36 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
42 services32 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19901 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.

Pharmacist
640 S STATE ST
DOVER, DE 19901
Internal Medicine
640 S STATE ST
DOVER, DE 19901
Internal Medicine (Hematology & Oncology)
640 S STATE ST
DOVER, DE 19901
Nurse Practitioner (Acute Care)
640 S STATE ST
DOVER, DE 19901
Internal Medicine
640 S STATE ST
DOVER, DE 19901
Physician Assistant
640 S STATE ST
DOVER, DE 19901
Pharmacist
640 S STATE ST, PHARMACY
DOVER, DE 19901
Registered Nurse (Critical Care Medicine)
640 S STATE ST
DOVER, DE 19901

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 David Parrella's NPI number?

The NPI number for David Parrella is 1225233141. It was assigned to this individual provider in the NPPES registry on June 20, 2007.

Where is David Parrella located?

David Parrella practices at 640 S State St, Dover, DE 19901. The listed phone number is (302) 674-4700.

What is David Parrella's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Vascular Neurology, with taxonomy code 2084V0102X.

Is David Parrella enrolled in Medicare?

Yes. David Parrella 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.

Which organizations bill Medicare for David Parrella's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Parrella reassigns Medicare benefits to 2 organizations: Bayhealth Medical Center, Inc (Dover, DE) and Jeffrey Farkas MD LLC (East Hills, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Parrella's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Parrella accept?

Health plans from AmeriHealth Caritas Next and Oscar Insurance Company list David Parrella 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 David Parrella was last updated on March 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.