Doctor profile · Federal record

Dr. Aaron Block, P.A.-C

Physician Assistant · Lewes, DE

  • NPI 1700922390
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
16337 Coastal Hwy
Lewes, DE 199583607
(302) 291-9900
fax (302) 200-9094

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
October 20, 2023
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Delaware #C50000564

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700922390. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
844
Distinct HCPCS
10
Medicare allowed
$81,664
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 367 232 $105
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 145 145 $109
99213 Established patient office or other outpatient visit, 20-29 minutes 114 95 $75
G0008 Administration of influenza virus vaccine 47 46 $31
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 41 41 $76
99204 New patient office or other outpatient visit, 45-59 minutes 35 35 $142
G0009 Administration of pneumococcal vaccine 22 21 $29
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment 22 22 $140
81003 Automated urinalysis test 20 15 $2
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 18 17 $266

In context: peer comparison

Among 13 peers in Lewes Physician Assistant, average services per provider: 353. This provider delivers 2.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$301
Transactions
7
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Eisai INC. 1 $107.70
Pfizer INC. 1 $95.04
Lilly USA, LLC 2 $32.99
Abbott Laboratories 1 $25.16
AstraZeneca Pharmaceuticals Lp 1 $21.08
Radius Health, INC. 1 $19.25

By nature of payment

Food and Beverage
$301

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,344
Patients
430
Total drug cost
$18,831
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 187 58 $3,190
Lisinopril Generic 116 35 $1,087
Amlodipine Besylate Generic 113 34 $934
Losartan Potassium Generic 108 32 $1,366
Omeprazole Generic 108 33 $1,562
Levothyroxine Sodium Generic 103 31 $1,637
Rosuvastatin Calcium Generic 99 36 $1,910
Trazodone Hcl Generic 99 27 $1,114
Metformin Hcl Generic 70 24 $692
Tamsulosin Hcl Generic 63 23 $1,412

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Block's medical specialty?
Dr. Aaron Block practices Physician Assistant in Lewes, DE.
Where does Dr. Aaron Block practice?
Dr. Aaron Block practices at 16337 Coastal Hwy, Lewes, DE 199583607. Office phone: 3022919900.
What is Dr. Aaron Block's NPI?
Dr. Aaron Block's National Provider Identifier (NPI) is 1700922390, issued by NPPES.
Does Dr. Aaron Block accept Medicare assignment?
Yes. Dr. Aaron Block accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Block commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.