Diane Pierce, FNP
NPI 1912239039 · Nurse Practitioner · Amesbury, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Pierce, FNP is a Nurse Practitioner provider in Amesbury, MA (NPI 1912239039).
Provider details
- NPI number
- 1912239039
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 235016 (MA)
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
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,140 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 | 344 | $112 |
| 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 | 237 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 132 | $80 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 90 | $114 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 77 | $17 |
| Annual Alcohol Misuse Screening, 5 to 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 145 | 68 |
| Atorvastatin Calcium | 127 | 56 |
| Lisinopril | 126 | 54 |
| Gabapentin | 98 | 42 |
| Simvastatin | 84 | 36 |
| Omeprazole | 84 | 40 |
| Amlodipine Besylate | 81 |
Practice location
Mailing address
Additional practice locations (1)
- 5 E Main StLahey MerrimacMerrimac, MA 01860-2005Phone: (978) 346-9733
Registry dates
- Enumerated
- 2010-02-01
- Last updated
- 2023-03-28
- Certified
- 2023-03-28
Frequently asked questions
- What is Diane Pierce's NPI number?
- Diane Pierce's National Provider Identifier (NPI) is 1912239039, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Pierce's specialty?
- Diane Pierce is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane Pierce located?
- Diane Pierce's practice location on file with NPPES is 24 Morrill Pl, Amesbury, MA 01913-3530.
- What is Diane Pierce's phone number?
- The practice phone number listed in the NPPES registry for Diane Pierce is (978) 388-5050.
- Does Diane Pierce accept Medicare?
- Diane Pierce is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Pierce's NPI active?
- Yes — Diane Pierce's NPI (1912239039) is active in the NPPES registry as of the last update on 2023-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.