Doctor profile · Federal record

Dr. Mark Ryan, CRNP MSN

Family Nurse Practitioner (CMS: Nurse Practitioner) · Certified Registered Nurse Anesthetist · Family Nurse Practitioner · Laurel, DE

  • NPI 1669447637
  • Accepts Medicare
  • 24 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
30549 Sussex Hwy
Laurel, DE 199563891
(302) 715-5214
fax (302) 628-6855

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
February 29, 2016
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Delaware #LG-0000752 · Maryland #AC000091
Medicaid
MD #403638700

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669447637. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
465
Distinct HCPCS
6
Medicare allowed
$42,075
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 286 259 $109
99213 Established patient office or other outpatient visit, 20-29 minutes 55 55 $77
99203 New patient office or other outpatient visit, 30-44 minutes 50 50 $96
81003 Automated urinalysis test 43 40 $2
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 20 20 $16
0241U Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected 11 11 $140

In context: peer comparison

Among 3 peers in this city , average services per provider: 63. This provider delivers 7.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
418
Patients
400
Total drug cost
$4,361
Drug Type Claims Patients Total cost
Azithromycin Generic 57 53 $504
Mupirocin Generic 46 44 $678
Prednisone Generic 42 39 $58
Amoxicillin Generic 33 32 $214
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 33 31 $401
Cephalexin Generic 31 31 $241
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 30 29 $422
Fluticasone Propionate Generic 27 25 $351
Clindamycin Hcl Generic 25 23 $401
Ondansetron Odt (Ondansetron) Brand 22 22 $144

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Ryan's medical specialty?
Dr. Mark Ryan practices Family Nurse Practitioner in Laurel, DE.
Where does Dr. Mark Ryan practice?
Dr. Mark Ryan practices at 30549 Sussex Hwy, Laurel, DE 199563891. Office phone: 3027155214.
What is Dr. Mark Ryan's NPI?
Dr. Mark Ryan's National Provider Identifier (NPI) is 1669447637, issued by NPPES.
Does Dr. Mark Ryan accept Medicare assignment?
Yes. Dr. Mark Ryan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Ryan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.