Heather Marie Castiglioni, PAC
Physician Assistant · Dover, DE
Heather Marie Castiglioni, PAC is a physician assistant with a practice address in Dover, Delaware, and NPI 1366453607, issued on Aug 11, 2006. Check the license (Delaware C50000489, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heather Marie Castiglioni
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- C50000489 DE
Self-reported in NPPES; status is on the state search - Practice location
- 640 S State St, Dover, DE 19901
- Phone
- (302) 744-7122
- Enumerated
- Aug 11, 2006
- Record last updated
- Oct 16, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050415000355); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 695 in Delaware → Look up another NPI →
Also registered at 640 S State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelly Abbrescia, DOEmergency Medicine Physician1992740625
- Sarah Abdallah, MDStudent in an Organized Health Care Education/Training Program1265374789
- Joseph Raphael Ablaza, M.D.Internal Medicine Physician1366892291
- Anastazia Acevedo, PA-CPhysician Assistant1831495282
- Aashish AcharyaInternal Medicine Physician1912523424
- Denita Adams, CRNACertified Registered Nurse Anesthetist1427233964
Verify Heather Marie Castiglioni in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license C50000489Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average physician assistant in 2024
63 Medicare Part D claims for 34 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 24 claims were for opioids.
Most prescribed
- Oxycodone Hcl23 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: $66.00
2 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 64,719 providers of this specialty with any payment received $841.65 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).
Heather Marie Castiglioni among 695 physician assistant records in Delaware
Heather Marie Castiglioni, PAC is one of 695 physician assistant records with a practice address in Delaware. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 85% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1998 · median 2019 among the 462 with a school on file
- Record last updated2018 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
86 physician assistant records list a practice address in Dover
They are 86 of the 2,137 NPPES records with a practice address in Dover, and 695 physician assistant records in Delaware.
All 695 in Delaware → Every provider in Dover → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Anastazia Acevedo, PA-CDover, DE 199011831495282
- Lauren Baker, PA-CDover, DE 199011770850562
- Todd Brandt, PA-CDover, DE 199011033342969
- Steven Cain, P.A.-CDover, DE 199011649296591
- Teresa CasellaDover, DE 199011205107463
- Jeffrey Cirks, PA-CDover, DE 199011598757700
- Stacey Cronauer, PA-CDover, DE 199011659362689
- David Davenport, PADover, DE 199011518981539
Common questions
What is Heather Marie Castiglioni, PAC's NPI number?
Heather Marie Castiglioni, PAC's National Provider Identifier (NPI) is 1366453607, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Heather Marie Castiglioni, PAC located?
The NPPES record lists a practice address at 640 S State St, Dover, DE, 19901. Phone: (302) 744-7122. Providers update this record themselves, so call before visiting.
How can I verify Heather Marie Castiglioni, PAC's license?
NPPES lists Delaware license number C50000489, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Heather Marie Castiglioni, PAC prescribe under Medicare Part D?
In 2024, Heather Marie Castiglioni, PAC had 63 Medicare Part D claims for 34 beneficiaries; the average among physician assistant prescribers was 830. 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.