Mark Kenneth Ryan, CRNP MSN
Family Nurse Practitioner · Laurel, DE
Mark Kenneth Ryan, CRNP MSN is a family nurse practitioner with a practice address in Laurel, Delaware, and NPI 1669447637, issued on Feb 22, 2006. Check the license (Delaware LG-0000752, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Kenneth Ryan
- Credential
- CRNP MSN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- LG-0000752 DE
AC000091 MD
Self-reported in NPPES; status is on the state search - Practice location
- 30549 Sussex Hwy, Laurel, DE 19956
- Phone
- (302) 715-5214
- Enumerated
- Feb 22, 2006
- Record last updated
- Feb 29, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (302) 628-6855
- Medicaid ID
- 403638700 MD
- Medicare enrollment
- Enrolled (PECOS I20140909001041); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 709 in Delaware → Look up another NPI →
Also registered at 30549 Sussex Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donna Hitchens, FNPNurse Practitioner1710229711
- Joseph Kim, D.O.Family Medicine Physician1114965167
- Sandra Mancilla, MDFamily Medicine Physician1033247325
- Conor McLaughlin, FNP-CFamily Nurse Practitioner1326559980
- Kristi Nichols, FNP-BCFamily Nurse Practitioner1841683844
Verify Mark Kenneth Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license LG-0000752Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average family nurse practitioner in 2024
444 Medicare Part D claims for 268 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Azithromycin65 claims
- Mupirocin38 claims
- Prednisone33 claims
- Cephalexin30 claims
- Amoxicillin29 claims
- Nitrofurantoin Mono-Macro24 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.
Bills Medicare through one group practice
- Tidalhealth Physician Network, Inc.Seaford, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Kenneth Ryan among 709 family nurse practitioner records in Delaware
Mark Kenneth Ryan, CRNP MSN is one of 709 family nurse practitioner records with a practice address in Delaware. 78% 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, 92% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2002 · median 2018 among the 434 with a school on file
- Record last updated2016 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family nurse practitioner records list a practice address in Laurel
They are 4 of the 92 NPPES records with a practice address in Laurel, and 709 family nurse practitioner records in Delaware.
All 709 in Delaware → Every provider in Laurel → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Conor McLaughlin, FNP-CLaurel, DE 199561326559980
- Brooke Montgomery, FNPLaurel, DE 199561184085268
- Kristi Nichols, FNP-BCLaurel, DE 199561841683844
- Jeanette Boyer, NURSE PRACTITIONERLewes, DE 199581710082318
- Caryn Chasanov, FNP-BCLewes, DE 199581992021687
- Alice Hopple, MSN, FNP-BCLewes, DE 199581245252535
- Joann Kirker Economos, MSN, RN, FNP-BCLewes, DE 199581225251333
- Nicole Lee, CRNPLewes, DE 199581730302233
Common questions
What is Mark Kenneth Ryan, CRNP MSN's NPI number?
Mark Kenneth Ryan, CRNP MSN's National Provider Identifier (NPI) is 1669447637, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Kenneth Ryan, CRNP MSN located?
The NPPES record lists a practice address at 30549 Sussex Hwy, Laurel, DE, 19956. Phone: (302) 715-5214. Providers update this record themselves, so call before visiting.
How can I verify Mark Kenneth Ryan, CRNP MSN's license?
NPPES lists Delaware license number LG-0000752, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Kenneth Ryan, CRNP MSN prescribe under Medicare Part D?
In 2024, Mark Kenneth Ryan, CRNP MSN had 444 Medicare Part D claims for 268 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.