Margaret Derosa, NP
NPI 1538612593 · Family Nurse Practitioner · Brandywine, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Derosa, NP is a Family Nurse Practitioner provider in Brandywine, MD (NPI 1538612593).
Provider details
- NPI number
- 1538612593
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- AC001916 (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 tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
40 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $117 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $77 |
Typical Medicare-allowed amounts for these services range $77–$117 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prochlorperazine Maleate | 42 | 38 |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 40 | 38 |
| Apixabanbrand: Eliquis | 38 | 13 |
| Prednisone | 28 | — |
| Dexamethasone | 27 | 23 |
| Acyclovir | 19 | — |
| Potassium Chloride | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,009 across 43 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 8926 Woodyard RdSuite 101Clinton, MD 20735-4220Phone: (301) 868-7911
Registry dates
- Enumerated
- 2016-07-26
- Last updated
- 2018-03-17
Frequently asked questions
- What is Margaret Derosa's NPI number?
- Margaret Derosa's National Provider Identifier (NPI) is 1538612593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Derosa's specialty?
- Margaret Derosa is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Derosa located?
- Margaret Derosa's practice location on file with NPPES is 7704 Matapeake Business Dr Ste 200, Brandywine, MD 20613-3045.
- What is Margaret Derosa's phone number?
- The practice phone number listed in the NPPES registry for Margaret Derosa is (301) 812-3900.
- Does Margaret Derosa accept Medicare?
- Margaret Derosa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Derosa's NPI active?
- Yes — Margaret Derosa's NPI (1538612593) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.