Quick answers
- Does Nicolette S. Horbach accept Medicare assignment?
- Yes. Medicare's clinician data says Nicolette S. Horbach accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Nicolette S. Horbach see?
- In 2024, CMS data shows 165 Original Medicare patients and 738 services for Nicolette S. Horbach. This counts Original Medicare only and measures volume, not quality.
- What is Nicolette S. Horbach's NPI number?
- 1407881790. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Nicolette S. Horbach, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 165 |
|---|---|
| Services billed to Medicare | 738 |
| Different services or procedures | 39 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Automated urinalysis test (81003)117 services
- Electronic assessment of bladder emptying (51741)79 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)65 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)56 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)49 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure66%
- Arthritis56%
- Osteoporosis30%
- Ischemic heart disease25%
- Anxiety23%
Practice locations
Addresses where Nicolette S. Horbach is enrolled with Medicare (CMS data updated October 2, 2026).
- 3300 Gallows RdFalls Church, VA 22042
- 8221 Willow Oaks Corporate DrFairfax, VA 22031 (703) 237‑3446
Group practices
Medicare enrollment lists Nicolette S. Horbach as a member of this group (CMS data updated October 2, 2026).
- Inova Health Care Services1,817 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Falls Church
Clinicians with the same Medicare primary specialty in Falls Church, VA — not a recommendation.
Other clinicians in Inova Health Care Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 1982 (44 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407881790 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians