Nora Watson, PA-C
NPI 1538507793 · Physician Assistant · Chelmsford, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nora Watson, PA-C is a Physician Assistant provider in Chelmsford, MA (NPI 1538507793).
Provider details
- NPI number
- 1538507793
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
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
13 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
704 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 124 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 101 | $94 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 65 | $13 |
| Hemoglobin A1c Level83036 | 55 | $10 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 46 | $54 |
| Blood Creatinine Level82565 | 35 | $5 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 84 | 38 |
| Lisinopril | 78 | 35 |
| Simvastatin | 69 | 26 |
| Amlodipine Besylate | 67 | 30 |
| Omeprazole | 48 | 21 |
| Levothyroxine Sodium | 48 | 18 |
| Hydrochlorothiazide | 43 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-06-10
- Last updated
- 2019-05-09
Frequently asked questions
- What is Nora Watson's NPI number?
- Nora Watson's National Provider Identifier (NPI) is 1538507793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nora Watson's specialty?
- Nora Watson is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nora Watson located?
- Nora Watson's practice location on file with NPPES is 228 Billerica Rd, Chelmsford, MA 01824-3604.
- What is Nora Watson's phone number?
- The practice phone number listed in the NPPES registry for Nora Watson is (978) 250-6000.
- Does Nora Watson accept Medicare?
- Nora Watson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nora Watson's NPI active?
- Yes — Nora Watson's NPI (1538507793) is active in the NPPES registry as of the last update on 2019-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.