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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. MARK WILLIAM HARRIS OD
NPI 1962500280
Optometrist in Manchester, NH

Active since September 20, 2006
1875 S WILLOW ST, MERRIMACK VISION CARE, MANCHESTER, NH 03103(603) 644-6100(603) 314-0404 Get Directions Write a Review

NPPES record last updated: July 12, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark William Harris Od NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK WILLIAM HARRIS OD (NPI 1962500280) is an individual optometrist in Manchester, New Hampshire, licensed in New Hampshire (NH616) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1962500280
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. MARK WILLIAM HARRISCredential: OD
Location Address1875 S WILLOW ST, MERRIMACK VISION CAREManchester, NH 03103-2363
Mailing Address137 Pasture DrManchester, NH 03102-4961 · (603) 623-9834
Phone(603) 644-6100
Fax(603) 314-0404
Sole ProprietorYes
Enumeration DateSeptember 20, 2006
Last NPPES UpdateJuly 12, 2026
✔ NPI 1962500280 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License✔ Licensed in NH · NH616
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
1875 S WILLOW ST, Manchester, NH 03103
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Other Identifiers 1

Medicaid30350210NH

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
2%113 patients1/55-star benchmark: 100%
Diabetic Retinopathy: Communication with the Physician Managing Ongoing Diabetes Care
Percentage of patients aged 18 years and older with a diagnosis of diabetic retinopathy who had a dilated macular or fundus exam performed with documented communication to the physician who manages the ongoing care of the patient with diabetes mellitus…
90%21 patients4/55-star benchmark: 100%
Diabetic Retinopathy: Documentation of Presence or Absence of Macular Edema and Level of Severity of Retinopathy
Percentage of patients aged 18 years and older with a diagnosis of diabetic retinopathy who had a dilated macular or fundus exam performed which included documentation of the level of severity of retinopathy and the presence or absence of macular edema during…
81%21 patients4/55-star benchmark: 100%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
90%2,895 patients4/55-star benchmark: 100%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients tobacco: 86% · 130 patients
92%130 patients
Primary Open-Angle Glaucoma (POAG): Optic Nerve Evaluation
Percentage of patients aged 18 years and older with a diagnosis of primary open-angle glaucoma (POAG) who have an optic nerve head evaluation during one or more office visits within 12 months
100%20 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. GUOQIANG WANG LMT
Mechanotherapist
1875 S WILLOW ST
MANCHESTER, NH 03103
Hillsborough County (603) 218-1175

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Harris's NPI number?

The NPI number for Mark Harris is 1962500280. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Mark Harris located?

Mark Harris practices at 1875 S Willow St Merrimack Vision Care, Manchester, NH 03103. The listed phone number is (603) 644-6100.

What is Mark Harris's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

When was this NPI record last updated?

The NPPES record for Mark Harris was last updated on July 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.