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.

IndividualActiveAccepts Medicare

Diane Pierce, FNP

NPI 1912239039 · Nurse Practitioner · Amesbury, MA

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)

Practice location

24 Morrill Pl

Amesbury, MA 01913-3530

Phone: (978) 388-5050

Street-level locationGet directions

More MA providers

Mailing address

41 Mall Rd

Burlington, MA 01805-0001

Specialties & taxonomies

Nurse PractitionerPrimary363L00000XLicense RN235016 (MA)
Physician Assistants & Advanced Practice Nursing Providers
Family Nurse Practitioner363LF0000XLicense 235016 (MA)
Physician Assistants & Advanced Practice Nursing Providers

Additional practice locations (1)

5 E Main St
Lahey Merrimac
Merrimac, MA 01860-2005
Phone: (978) 346-9733

Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(92/100 index)

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

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.

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