Margaret Dermer, CRNP
Family Nurse Practitioner · Westminster, MD
Margaret Dermer, CRNP is a family nurse practitioner with a practice address in Westminster, Maryland, and NPI 1114505237, issued on Mar 30, 2021. Check the license (Maryland R211277, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Dermer
- Credential
- CRNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R211277 MD
Self-reported in NPPES; status is on the state search - Practice location
- 531 Old Westminster Pike Ste 201, Westminster, MD 21157
- Phone
- (410) 857-8536
- Enumerated
- Mar 30, 2021
- Record last updated
- Jul 2, 2025
- Fax
- (410) 848-1178
- Medicare enrollment
- Enrolled (PECOS I20210504000250); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 531 Old Westminster Pike Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Francesca Dipaula, FNP-CFamily Nurse Practitioner1134839400
- Thomas Vento, M.D.Family Medicine Physician1487619425
Verify Margaret Dermer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R211277Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average family nurse practitioner in 2024
1,352 Medicare Part D claims for 131 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Atorvastatin Calcium64 claims
- Levothyroxine Sodium54 claims
- Rosuvastatin Calcium52 claims
- Amlodipine Besylate49 claims
- Omeprazole45 claims
- Duloxetine Hcl39 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Lifebridge Community Physicians IncWestminster, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Dermer among 4,124 family nurse practitioner records in Maryland
Margaret Dermer, CRNP is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 65% of them.
- NPI issued2021 · 65% of these records are older, 28% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2020 · median 2019 among the 2,370 with a school on file
- Record last updated2025 · 41% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 family nurse practitioner records list a practice address in Westminster
They are 39 of the 1,327 NPPES records with a practice address in Westminster, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Westminster → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Oluchi AyichiWestminster, MD 211571508141383
- Marilyn Berchie, CRNP-FNPWestminster, MD 211571730518812
- Dianna Davis, CRNPWestminster, MD 211571568689131
- John Distler, FNPWestminster, MD 211571285692418
- Erica Gifford, FNP-CWestminster, MD 211571063779502
- Susan Giscombe, CRNPWestminster, MD 211571154627529
- Melissa Jones Holley, C.R.N.P.Westminster, MD 211571528187028
- Mary LambertsonWestminster, MD 211571710423199
Common questions
What is Margaret Dermer, CRNP's NPI number?
Margaret Dermer, CRNP's National Provider Identifier (NPI) is 1114505237, issued on Mar 30, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Dermer, CRNP located?
The NPPES record lists a practice address at 531 Old Westminster Pike Ste 201, Westminster, MD, 21157. Phone: (410) 857-8536. Providers update this record themselves, so call before visiting.
How can I verify Margaret Dermer, CRNP's license?
NPPES lists Maryland license number R211277, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Dermer, CRNP prescribe under Medicare Part D?
In 2024, Margaret Dermer, CRNP had 1,352 Medicare Part D claims for 131 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Margaret Dermer, CRNP's MIPS final score?
The 2023 MIPS final score is 83.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.