Stephanie Lewis, PA
NPI 1821018516 · Physician Assistant · Chelmsford, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Lewis, PA is a Physician Assistant provider in Chelmsford, MA (NPI 1821018516).
Provider details
- NPI number
- 1821018516
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 1586 (MA)
Specialties & taxonomies
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
19 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
502 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 167 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 82 | $88 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 63 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 29 | $6 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 25 | $50 |
| Bacterial Colony Count, Urine87086 | 23 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Monohydrate | 29 | 28 |
| Fluticasone Propionate | 26 | 26 |
| Prednisone | 23 | 21 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 16 | 16 |
| Hydrochlorothiazide | 14 | — |
| Triamcinolone Acetonide | 13 | 13 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-19
- Last updated
- 2020-11-16
- Certified
- 2020-11-16
Frequently asked questions
- What is Stephanie Lewis's NPI number?
- Stephanie Lewis's National Provider Identifier (NPI) is 1821018516, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Lewis's specialty?
- Stephanie Lewis is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephanie Lewis located?
- Stephanie Lewis's practice location on file with NPPES is 228 Billerica Rd, Chelmsford, MA 01824-3604.
- What is Stephanie Lewis's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Lewis is (978) 250-6100.
- Does Stephanie Lewis accept Medicare?
- Stephanie Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Lewis's NPI active?
- Yes — Stephanie Lewis's NPI (1821018516) is active in the NPPES registry as of the last update on 2020-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.