Margaret Fregoso, NP
NPI 1972785442 · Nurse Practitioner · Falls Church, VA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Fregoso, NP is a Nurse Practitioner provider in Falls Church, VA (NPI 1972785442).
Provider details
- NPI number
- 1972785442
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 0024166840 (VA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
18 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
98 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 98 | $129 |
Typical Medicare-allowed amounts for these services range $129–$129 (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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 146 | 46 |
| Prednisone | 119 | 44 |
| Pantoprazole Sodium | 80 | 31 |
| Tacrolimus | 74 | 20 |
| Atovaquone | 73 | 15 |
| Montelukast Sodium | 47 | 20 |
| Letermovirbrand: Prevymis | 42 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$981 across 20 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)
- 8081 Innovation Park DrFairfax, VA 22031-4867Phone: (571) 472-0530Fax: (703) 776-4126
Registry dates
- Enumerated
- 2007-11-27
- Last updated
- 2022-03-11
- Certified
- 2022-03-11
Frequently asked questions
- What is Margaret Fregoso's NPI number?
- Margaret Fregoso's National Provider Identifier (NPI) is 1972785442, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Fregoso's specialty?
- Margaret Fregoso is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Fregoso located?
- Margaret Fregoso's practice location on file with NPPES is 3300 Gallows Rd, Falls Church, VA 22042-3307.
- What is Margaret Fregoso's phone number?
- The practice phone number listed in the NPPES registry for Margaret Fregoso is (703) 776-2986.
- Does Margaret Fregoso accept Medicare?
- Margaret Fregoso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Fregoso's NPI active?
- Yes — Margaret Fregoso's NPI (1972785442) is active in the NPPES registry as of the last update on 2022-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.