Marilyn J. Seashole, CRNP-A
Adult Health Nurse Practitioner · Rockville, MD
Marilyn J. Seashole, CRNP-A is an adult health nurse practitioner with a practice address in Rockville, Maryland, and NPI 1639178593, issued on Jul 21, 2005. Check the license (Maryland R072858, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marilyn J. Seashole
- Credential
- CRNP-A
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- R072858 MD
Self-reported in NPPES; status is on the state search - Practice location
- 11921 Rockville Pike, Rockville, MD 20852
- Phone
- (301) 881-7246
- Enumerated
- Jul 21, 2005
- Record last updated
- Mar 7, 2022
- Fax
- (301) 881-2449
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 902 in Maryland → Look up another NPI →
Also registered at 11921 Rockville Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marilyn J. Seashole in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R072858Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
193 Medicare Part D claims for 79 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 19 claims were for opioids.
Most prescribed
- Gabapentin39 claims
- Cyclobenzaprine Hcl21 claims
- Methocarbamol18 claims
- Pregabalin16 claims
- Meloxicam15 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.
Marilyn J. Seashole among 902 adult health nurse practitioner records in Maryland
Marilyn J. Seashole, CRNP-A is one of 902 adult health nurse practitioner records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Maryland
There are 902 adult health nurse practitioner records in Maryland.
All 902 in Maryland → Every provider in Rockville → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Leora Allen, AGNP-CRockville, MD 208521295177293
- Nancy Hartman, CRNP-ADULTRockville, MD 208521073871687
- Colleen Lee, CRNPRockville, MD 208521225156078
- Beth Renne, ANP-BCNorth Bethesda, MD 208521649640079
- Mary Alice Sandford, CRNPRockville, MD 208521528191475
- Sylvie TchuindjoRockville, MD 208521124406749
- Cynthia Tessie, NPRockville, MD 208521386245371
- Jeannie Waytovich, AGNPNorth Bethesda, MD 208521629844808
Common questions
What is Marilyn J. Seashole, CRNP-A's NPI number?
Marilyn J. Seashole, CRNP-A's National Provider Identifier (NPI) is 1639178593, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marilyn J. Seashole, CRNP-A located?
The NPPES record lists a practice address at 11921 Rockville Pike, Rockville, MD, 20852. Phone: (301) 881-7246. Providers update this record themselves, so call before visiting.
How can I verify Marilyn J. Seashole, CRNP-A's license?
NPPES lists Maryland license number R072858, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Marilyn J. Seashole, CRNP-A prescribe under Medicare Part D?
In 2024, Marilyn J. Seashole, CRNP-A had 193 Medicare Part D claims for 79 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.