Lisa Siddall, FNP
NPI 1972650109 · Family Nurse Practitioner · Sterling, VA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lisa Siddall, FNP is a Family Nurse Practitioner provider in Sterling, VA (NPI 1972650109).
Provider details
- NPI number
- 1972650109
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- R174726 (MD)
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
19 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
128 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 | 55 | $106 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 18 | $64 |
| X-Ray of Knee, 3 Views73562 | 18 | $34 |
| X-Ray of Hip, 2-3 Views73502 | 14 | $39 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 12 | $91 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 11 | $33 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin | 89 | 70 |
| Tramadol Hcl | 53 | 44 |
| Meloxicam | 43 | 17 |
| Clindamycin Hcl | 40 | 31 |
| Oxycodone Hcl | 35 | 28 |
| Celecoxib | 28 | 18 |
| Methylprednisolone | 24 | 22 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$81 across 3 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
- 2007-01-03
- Last updated
- 2021-04-14
- Certified
- 2021-04-14
Frequently asked questions
- What is Lisa Siddall's NPI number?
- Lisa Siddall's National Provider Identifier (NPI) is 1972650109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lisa Siddall's specialty?
- Lisa Siddall is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lisa Siddall located?
- Lisa Siddall's practice location on file with NPPES is 21475 Ridgetop Cir, Sterling, VA 20166-6580.
- What is Lisa Siddall's phone number?
- The practice phone number listed in the NPPES registry for Lisa Siddall is (703) 444-5000.
- Does Lisa Siddall accept Medicare?
- Lisa Siddall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lisa Siddall's NPI active?
- Yes — Lisa Siddall's NPI (1972650109) is active in the NPPES registry as of the last update on 2021-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.