Marion Ryan, CRNP
NPI 1578520169 · Adult Health Nurse Practitioner · Salisbury, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marion Ryan, CRNP is a Adult Health Nurse Practitioner provider in Salisbury, MD (NPI 1578520169).
Provider details
- NPI number
- 1578520169
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- R058386 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-27
- Last updated
- 2018-12-14
Frequently asked questions
- What is Marion Ryan's NPI number?
- Marion Ryan's National Provider Identifier (NPI) is 1578520169, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marion Ryan's specialty?
- Marion Ryan is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marion Ryan located?
- Marion Ryan's practice location on file with NPPES is 1665 Woodbrooke Dr, Salisbury, MD 21804-8502.
- What is Marion Ryan's phone number?
- The practice phone number listed in the NPPES registry for Marion Ryan is (410) 546-6650.
- Does Marion Ryan accept Medicare?
- Marion Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marion Ryan's NPI active?
- Yes — Marion Ryan's NPI (1578520169) is active in the NPPES registry as of the last update on 2018-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.