Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GREG L THORGAARD M.D.
NPI 1770585366
Ophthalmology in Ottumwa, IA

Q: What is Greg Thorgaard's NPI number?

The NPI number for Greg Thorgaard is 1770585366. It was assigned to this individual provider in the NPPES registry on August 12, 2005.

Q: What is Greg Thorgaard's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Greg Thorgaard was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 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.

Active since August 12, 2005

1005 PENNSYLVANIA AVE, SUITE 110, OTTUMWA, IA 52501(641) 682-8571(641) 682-8573 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Dr. Greg L Thorgaard M.d. NPPES

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

DR. GREG L THORGAARD M.D. (NPI 1770585366) is an individual ophthalmology provider in Ottumwa, Iowa, licensed in Iowa (24334) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1770585366

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. GREG L THORGAARDCredential: M.D.

Location Address1005 PENNSYLVANIA AVE, SUITE 110Ottumwa, IA 52501-6413

Mailing Address1005 Pennsylvania Ave, Suite 110Ottumwa, IA 52501-6413 · (641) 682-8571 · Fax (641) 682-8573

Phone(641) 682-8571

Fax(641) 682-8573

Sole ProprietorNo

Enumeration DateAugust 12, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1770585366 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in IA · 24334

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

1005 PENNSYLVANIA AVE, Ottumwa, IA 52501

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Other Identifiers 1

Medicaid2274084IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Oscar Insurance Company.Insurance ›

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.

645 services642 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.

108 services98 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.

102 services97 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).

102 services100 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

91 services76 patients

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

81 services79 patients

Other Providers at the Same Location NPPES 20

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

DR. NORMAN RUSH HUTCHISON M.D.

Ophthalmology

1005 PENNSYLVANIA AVE, SUITE 110
OTTUMWA, IA 52501

Wapello County (641) 682-8571

THOMAS H HOSKINS PA

Physician Assistant

1005 PENNSYLVANIA AVE, SUITE 212
OTTUMWA, IA 52501

Wapello County (641) 682-5443

DONALD D BERG MD PC

Specialist

1005 PENNSYLVANIA AVE, SUITE 212
OTTUMWA, IA 52501

Wapello County (641) 682-5443

OTTUMWA HEALTH GROUP LLC

Obstetrics & Gynecology

1005 PENNSYLVANIA AVE, STE 204
OTTUMWA, IA 52501

Wapello County (641) 682-8761

ELVIN W MCCARL M.D.

Radiology (Diagnostic Radiology)

1005 PENNSYLVANIA AVE, SUITE 103
OTTUMWA, IA 52501

Wapello County (641) 682-5453

MICHAEL T SHAEFFER MD PC

Urology

1005 PENNSYLVANIA AVE, #208
OTTUMWA, IA 52501

Wapello County (641) 682-5481

FOREFRONT DERMATOLOGY, S.C.

Dermatology

1005 PENNSYLVANIA AVE, SUITE 210
OTTUMWA, IA 52501

Wapello County (641) 683-3195

STANLEY A BLEW MD

Internal Medicine

1005 PENNSYLVANIA AVE, SUITE 104
OTTUMWA, IA 52501

Wapello County (641) 682-4594

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 Greg Thorgaard's NPI number?

The NPI number for Greg Thorgaard is 1770585366. It was assigned to this individual provider in the NPPES registry on August 12, 2005.

Where is Greg Thorgaard located?

Greg Thorgaard practices at 1005 Pennsylvania Ave Suite 110, Ottumwa, IA 52501. The listed phone number is (641) 682-8571.

What is Greg Thorgaard's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

What insurance does Greg Thorgaard accept?

Health plans from Medica and Oscar Insurance Company list Greg Thorgaard 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 Greg Thorgaard was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 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.