What is Zachary Witter's NPI number?

Zachary Witter's National Provider Identifier (NPI) is 1174170112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Zachary Witter's specialty?

Zachary Witter is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Zachary Witter located?

Zachary Witter's practice location on file with NPPES is 22 Patriot Pl, Foxborough, MA 02035-1375.

What is Zachary Witter's phone number?

The practice phone number listed in the NPPES registry for Zachary Witter is (508) 718-4050.

Does Zachary Witter accept Medicare?

Zachary Witter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Zachary Witter's NPI active?

Yes — Zachary Witter's NPI (1174170112) is active in the NPPES registry as of the last update on 2023-01-11.

IndividualActiveAccepts Medicare

Zachary Witter, PA

NPI 1174170112 · Physician Assistant · Foxborough, MA

Zachary Witter, PA is a Physician Assistant provider in Foxborough, MA (NPI 1174170112).

Provider details

NPI number: 1174170112
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Credential: PA
Sex: Male
Sole proprietor: No
License: PA8965 (MA)

Practice location

22 Patriot Pl

Foxborough, MA 02035-1375

Phone: (508) 718-4050

Fax: (508) 718-4051

Street-level locationGet directions

More MA providers

Mailing address

75 Francis St

Boston, MA 02115-6106

Specialties & taxonomies

Physician AssistantPrimary363A00000XLicense PA8965 (MA)
Physician Assistants & Advanced Practice Nursing Providers

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

Profile Score

Established profile(60/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
7 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
462 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	171	$84
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	92	$118
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	90	$15
Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439	52	$120
Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005	21	$7

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Atorvastatin Calcium	130	45
Amlodipine Besylate	105	38
Lisinopril	73	29
Gabapentin	71	20
Losartan Potassium	58	20
Levothyroxine Sodium	48	16
Hydrochlorothiazide	38

Enumerated: 2019-08-23
Last updated: 2023-01-11
Certified: 2023-01-11

Frequently asked questions

What is Zachary Witter's NPI number?: Zachary Witter's National Provider Identifier (NPI) is 1174170112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Zachary Witter's specialty?: Zachary Witter is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
Where is Zachary Witter located?: Zachary Witter's practice location on file with NPPES is 22 Patriot Pl, Foxborough, MA 02035-1375.
What is Zachary Witter's phone number?: The practice phone number listed in the NPPES registry for Zachary Witter is (508) 718-4050.
Does Zachary Witter accept Medicare?: Zachary Witter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Zachary Witter's NPI active?: Yes — Zachary Witter's NPI (1174170112) is active in the NPPES registry as of the last update on 2023-01-11.

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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	171	$84
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	92	$118
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	90	$15
Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439	52	$120
Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005	21	$7