Sandor Niemann, MD
NPI 1861484461 · Family Medicine Physician · Centreville, VA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandor Niemann, MD is a Family Medicine Physician provider in Centreville, VA (NPI 1861484461).
Provider details
- NPI number
- 1861484461
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101050091 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
565 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| 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 | 208 | $18 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 138 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 98 | $141 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 58 | $143 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 24 | $198 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 207 | 60 |
| Amlodipine Besylate | 174 | 54 |
| Levothyroxine Sodium | 170 | 41 |
| Lisinopril | 118 | 39 |
| Tamsulosin Hcl | 102 | 28 |
| Losartan Potassium | 80 | 27 |
| Simvastatin | 75 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-19
- Last updated
- 2025-03-11
- Certified
- 2025-03-11
Frequently asked questions
- What is Sandor Niemann's NPI number?
- Sandor Niemann's National Provider Identifier (NPI) is 1861484461, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandor Niemann's specialty?
- Sandor Niemann is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sandor Niemann located?
- Sandor Niemann's practice location on file with NPPES is 5645 Stone Rd, Centreville, VA 20120-1618.
- What is Sandor Niemann's phone number?
- The practice phone number listed in the NPPES registry for Sandor Niemann is (703) 266-2442.
- Does Sandor Niemann accept Medicare?
- Sandor Niemann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandor Niemann's NPI active?
- Yes — Sandor Niemann's NPI (1861484461) is active in the NPPES registry as of the last update on 2025-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.