Aaron R. Block, P.A.-C
Physician Assistant · Lewes, DE
Aaron R. Block, P.A.-C is a physician assistant with a practice address in Lewes, Delaware, and NPI 1700922390, issued on Jan 30, 2007. Check the license (Delaware C50000564, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Aaron R. Block
- Credential
- P.A.-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- C50000564 DE
Self-reported in NPPES; status is on the state search - Practice location
- 16337 Coastal Hwy, Lewes, DE 19958
- Phone
- (302) 291-9900
- Enumerated
- Jan 30, 2007
- Record last updated
- Oct 20, 2023
- Fax
- (302) 200-9094
- Medicare enrollment
- Enrolled (PECOS I20070307000101); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 695 in Delaware → Look up another NPI →
Also registered at 16337 Coastal Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Aaron R. Block in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license C50000564Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% more Medicare Part D claims than the average physician assistant in 2024
1,562 Medicare Part D claims for 349 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Donepezil Hcl126 claims
- Memantine Hcl112 claims
- Atorvastatin Calcium88 claims
- Rosuvastatin Calcium65 claims
- Trazodone Hcl59 claims
- Omeprazole55 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: $301.22
7 payments; by number, the most common kind was food and beverage; the largest payer was Eisai 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).
Aaron R. Block among 695 physician assistant records in Delaware
Aaron R. Block, P.A.-C 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 2007, is newer than 15% of them.
- NPI issued2007 · 15% of these records are older, 81% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2005 · median 2019 among the 462 with a school on file
- Record last updated2023 · 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).
44 physician assistant records list a practice address in Lewes
They are 44 of the 1,696 NPPES records with a practice address in Lewes, and 695 physician assistant records in Delaware.
All 695 in Delaware → Every provider in Lewes → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Gale Bentz, PA-CLewes, DE 199581528025491
- Brett Blemle, PACLewes, DE 199581952404410
- Thomas Cathcart, PACLewes, DE 199581588643415
- Tina Dombroski, PACLewes, DE 199581578555207
- Linda Golding, PA-CLewes, DE 199581659569820
- Gerard Haines, PA-CLewes, DE 199581326099250
- Claudia Halstead, PACLewes, DE 199581437138567
- Jennifer Hazzard, PA-CLewes, DE 199581982779633
Common questions
What is Aaron R. Block, P.A.-C's NPI number?
Aaron R. Block, P.A.-C's National Provider Identifier (NPI) is 1700922390, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Aaron R. Block, P.A.-C located?
The NPPES record lists a practice address at 16337 Coastal Hwy, Lewes, DE, 19958. Phone: (302) 291-9900. Providers update this record themselves, so call before visiting.
How can I verify Aaron R. Block, P.A.-C's license?
NPPES lists Delaware license number C50000564, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Aaron R. Block, P.A.-C prescribe under Medicare Part D?
In 2024, Aaron R. Block, P.A.-C had 1,562 Medicare Part D claims for 349 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.