Margaret Mountcastle, NP
NPI 1497753032 · Family Nurse Practitioner · Quinton, VA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Mountcastle, NP is a Family Nurse Practitioner provider in Quinton, VA (NPI 1497753032).
Provider details
- NPI number
- 1497753032
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 0024134081 (VA)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
812 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 | 161 | $104 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 110 | $10 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 109 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 98 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 92 | $72 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 287 | 102 |
| Amlodipine Besylate | 217 | 79 |
| Simvastatin | 208 | 68 |
| Losartan Potassium | 196 | 70 |
| Levothyroxine Sodium | 177 | 60 |
| Metformin Hcl | 135 | 48 |
| Hydrochlorothiazide | 130 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$671 across 30 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
Registry dates
- Enumerated
- 2005-07-08
- Last updated
- 2011-09-06
Frequently asked questions
- What is Margaret Mountcastle's NPI number?
- Margaret Mountcastle's National Provider Identifier (NPI) is 1497753032, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Mountcastle's specialty?
- Margaret Mountcastle is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Mountcastle located?
- Margaret Mountcastle's practice location on file with NPPES is 1850 Pocahontas Trl, Quinton, VA 23141-1657.
- What is Margaret Mountcastle's phone number?
- The practice phone number listed in the NPPES registry for Margaret Mountcastle is (804) 932-4388.
- Does Margaret Mountcastle accept Medicare?
- Margaret Mountcastle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Mountcastle's NPI active?
- Yes — Margaret Mountcastle's NPI (1497753032) is active in the NPPES registry as of the last update on 2011-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.