Doctor profile · Federal record

Dr. Alan Warrington, D.O.

Family Medicine Physician (CMS: Family Practice) · Wilmington, DE

  • NPI 1801981923
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5307 Limestone RD, Ste 202
Wilmington, DE 198081268
(302) 239-9599
fax (302) 239-0522

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 22, 2014
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Delaware #C2-0003184
Medicaid
DE #1588987820

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801981923. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,877
Distinct HCPCS
10
Medicare allowed
$165,478
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 404 105 $74
99214 Established patient office or other outpatient visit, 30-39 minutes 363 204 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 328 262 $86
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 163 75 $106
99203 New patient office or other outpatient visit, 30-44 minutes 113 113 $113
81003 Automated urinalysis test 54 53 $2
G0008 Administration of influenza virus vaccine 54 54 $27
36415 Insertion of needle into vein for collection of blood sample 50 40 $8
90471 Administration of vaccine 46 44 $20
99204 New patient office or other outpatient visit, 45-59 minutes 46 46 $167

In context: peer comparison

Among 37 peers in Wilmington Family Medicine Physician, average services per provider: 230. This provider delivers 8.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$103
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 3 $60.89
Abbott Laboratories 1 $23.49
GlaxoSmithKline, LLC. 1 $18.98

By nature of payment

Food and Beverage
$103

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,107
Patients
581
Total drug cost
$180,510
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 598 83 $6,904
Trazodone Hcl Generic 469 60 $5,245
Levothyroxine Sodium Generic 379 52 $5,199
Amlodipine Besylate Generic 364 56 $2,996
Mirtazapine Generic 360 49 $9,143
Omeprazole Generic 304 49 $3,701
Furosemide Generic 297 42 $2,503
Metoprolol Succinate Generic 223 26 $2,812
Eliquis (Apixaban) Brand 202 25 $128,638
Sertraline Hcl Generic 176 20 $1,420

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alan Warrington's medical specialty?
Dr. Alan Warrington practices Family Medicine Physician in Wilmington, DE.
Where does Dr. Alan Warrington practice?
Dr. Alan Warrington practices at 5307 Limestone RD, Wilmington, DE 198081268. Office phone: 3022399599.
What is Dr. Alan Warrington's NPI?
Dr. Alan Warrington's National Provider Identifier (NPI) is 1801981923, issued by NPPES.
Does Dr. Alan Warrington accept Medicare assignment?
Yes. Dr. Alan Warrington accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alan Warrington commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.