Samantha Chang, PA-C
NPI 1902232747 · Medical Physician Assistant · Reston, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samantha Chang, PA-C is a Medical Physician Assistant provider in Reston, VA (NPI 1902232747).
Provider details
- NPI number
- 1902232747
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
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 tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
128 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 84 | $106 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 25 | $107 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 19 | $75 |
Typical Medicare-allowed amounts for these services range $75–$107 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 49 | 13 |
| Levothyroxine Sodium | 47 | — |
| Rosuvastatin Calcium | 33 | 12 |
| Amlodipine Besylate | 29 | — |
| Losartan Potassium | 18 | — |
| Metformin Hcl | 16 | — |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-09-25
- Last updated
- 2023-11-27
- Certified
- 2020-10-15
Frequently asked questions
- What is Samantha Chang's NPI number?
- Samantha Chang's National Provider Identifier (NPI) is 1902232747, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samantha Chang's specialty?
- Samantha Chang is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Samantha Chang located?
- Samantha Chang's practice location on file with NPPES is 1850a Town Center Pkwy # 1, Reston, VA 20190-5851.
- What is Samantha Chang's phone number?
- The practice phone number listed in the NPPES registry for Samantha Chang is (703) 437-5532.
- Does Samantha Chang accept Medicare?
- Samantha Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samantha Chang's NPI active?
- Yes — Samantha Chang's NPI (1902232747) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.