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THOMAS STEPHEN DUNHAM O.D.
NPI 1982601357
Optometrist in Grand Forks, ND

Active since June 30, 2005PECOS EnrolledAccepts Medicare Assignment
75.1/100
CMS Quality Rating
1820 S 42ND ST, GRAND FORKS, ND 58201(701) 775-3151(701) 775-3153 Get Directions Write a Review

NPPES record last updated: November 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Thomas Stephen Dunham O.d. NPPES

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

THOMAS STEPHEN DUNHAM O.D. (NPI 1982601357) is an individual optometrist in Grand Forks, North Dakota, licensed in North Dakota (421) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Ohio State University - College Of Optometry (1983).

NPPES Registry Identity

NPI1982601357
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameTHOMAS STEPHEN DUNHAMCredential: O.D.
Location Address1820 S 42ND STGrand Forks, ND 58201-5712
Mailing AddressPo Box 365Mcville, ND 58254-0365 · (701) 322-5111 · Fax (701) 322-5111
Phone(701) 775-3151
Fax(701) 775-3153
Sole ProprietorYes
Medical School CMSOhio State University - College Of OptometryGraduated 1983
Enumeration DateJune 30, 2005
Last NPPES UpdateNovember 21, 2025
NPPES CertifiedNovember 21, 2025
✔ NPI 1982601357 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 ND · 421
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.
1820 S 42ND ST, Grand Forks, ND 58201
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1104 E Highway 66 Ste 102Drayton, ND 58225-4804 · Phone (701) 454-3340 · Fax (701) 775-3153
Location 2116 S Main StMcVille, ND 58254-4208 · Phone (701) 322-5111 · Fax (701) 322-5111

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas Stephen Dunham O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7517046527
PECOS Enrollment IDI20080501000684
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Thomas Dunham reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

North Dakota Eye Clinic, Ltd
Same address
Specialist
1820 S 42ND ST.
Grand Forks, ND 58201
  • Reassigned Medicare billing, North Dakota enrollment
  • 7 clinicians in this Medicare group
NPI 1972563815 (017) 775-3151

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
863 services785 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
317 services216 patients
Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
193 services155 patients
Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
160 services137 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
118 services108 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
110 services96 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 58201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.45 typical visit price
range $55.75 – $168.12
Typical copayment $31.86 (range $13.93 – $42.03)
Most-billed visit code 99204
Established Patient
$69.48 typical visit price
range $18.11 – $137.65
Typical copayment $17.37 (range $4.52 – $34.41)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

75.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost17.01

Other Providers at the Same Location NPPES 2

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

KRISTINA AIKENS
Optometrist
1820 S 42ND ST
GRAND FORKS, ND 58201
Grand Forks County (701) 775-3151
JADYN NELSON
Optometrist
1820 S 42ND ST
GRAND FORKS, ND 58201
Grand Forks County (701) 775-3151

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 Thomas Dunham's NPI number?

The NPI number for Thomas Dunham is 1982601357. It was assigned to this individual provider in the NPPES registry on June 30, 2005.

Where is Thomas Dunham located?

Thomas Dunham practices at 1820 S 42nd St, Grand Forks, ND 58201. The listed phone number is (701) 775-3151.

What is Thomas Dunham's specialty?

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

Is Thomas Dunham enrolled in Medicare?

Yes. Thomas Dunham is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Thomas Dunham's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Dunham reassigns Medicare benefits to North Dakota Eye Clinic, Ltd (Grand Forks, ND). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Dunham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Dunham accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of North Dakota, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana and Blue Cross and Blue Shield of Montana and 5 other insurers list Thomas Dunham as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Thomas Dunham was last updated on November 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.