Active NPI 1770585366 Individual Practitioner Male Practitioner

Dr. Greg L Thorgaard , MD

Ophthalmology • Ottumwa, IA

Professional Overview & Biography Verified Profile Summary

Dr. Greg Thorgaard, MD is a certified Ophthalmology practicing in Ottumwa, IA. With approximately 43 years of clinical experience since graduating from University Of Iowa, Rj & L Carver College Of Medicine in 1983, Dr. Thorgaard delivers high-quality medical care to the local community at 1005 PENNSYLVANIA AVE.

Dr. Thorgaard does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include established patient complete exam of visual system, imaging of retina, imaging of optic nerve. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1005 Pennsylvania Ave
Suite 110

Ottumwa, IA 525016413

Telephone 6416828571

Fax 6416828573

Associated Practice Facility / Clinic

🏢 Radiology Associates Of Ottumwa, P.c. Facility NPI 1104899863

Medicare Profile & Education

Medical School

University Of Iowa, Rj & L Carver College Of Medicine

Graduation Year

1983

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Ottumwa, IA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

43 Yrs Matches City Avg

City Avg: 43.0 Yrs

State Avg: 27.5 Yrs

Regional Practice Density

2 Specialists

Practicing in Ottumwa, IA (233 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

61.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Thorgaard (43 Years) 43 Yrs

Ottumwa Specialty Average (43.0 Years) 43.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	645	642	$303.00	$115.86
92134 Imaging of retina	108	98	$111.00	$36.99
92133 Imaging of optic nerve	102	100	$110.00	$32.71
92083 Exam of visual field with extended testing	102	97	$177.00	$57.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	91	76	$201.00	$118.42
66821 Removal of recurring cataract in lens capsule using a laser	81	79	$906.20	$308.82
92012 Established patient problem focused exam of visual system	66	65	$211.00	$81.96
99213 Established patient office or other outpatient visit, typically 15 minutes	55	53	$140.00	$83.65
92004 New patient complete exam of visual system	50	50	$361.00	$137.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	49	49	$99.08	$51.87
66984 Removal of cataract with insertion of lens	35	21	$267.00	$97.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	604	600	$303.00	$117.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	102	85	$201.00	$118.87
92133 Imaging of optic nerve	101	101	$109.11	$32.89
92083 Exam of visual field with extended testing	100	97	$177.00	$57.75
92134 Imaging of retina	95	89	$111.00	$37.31
66821 Removal of recurring cataract in lens capsule using a laser	76	72	$908.30	$299.80
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	70	70	$85.00	$52.28
92004 New patient complete exam of visual system	56	56	$361.00	$139.98
99213 Established patient office or other outpatient visit, typically 15 minutes	46	41	$140.00	$83.96
66984 Removal of cataract with insertion of lens	36	29	$259.67	$95.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	774	766	$303.00	$118.76
99213 Established patient office or other outpatient visit, typically 15 minutes	172	150	$140.00	$84.84
92133 Imaging of optic nerve	161	160	$109.72	$33.48
92083 Exam of visual field with extended testing	147	142	$176.46	$58.22
92134 Imaging of retina	135	121	$110.96	$37.84
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	99	79	$201.00	$120.53
66821 Removal of recurring cataract in lens capsule using a laser	97	88	$901.86	$297.29
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	88	77	$85.00	$52.56
92004 New patient complete exam of visual system	67	67	$361.00	$140.03
66984 Removal of cataract with insertion of lens	63	40	$266.52	$98.85
92012 Established patient problem focused exam of visual system	29	29	$211.00	$83.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	646	644	$300.05	$121.03
99213 Established patient office or other outpatient visit, typically 15 minutes	397	353	$137.61	$86.91
92133 Imaging of optic nerve	165	165	$110.00	$34.17
92134 Imaging of retina	152	139	$109.72	$38.76
92083 Exam of visual field with extended testing	146	138	$175.90	$59.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	131	126	$199.63	$123.76
66821 Removal of recurring cataract in lens capsule using a laser	102	91	$924.32	$302.71
66984 Removal of cataract with insertion of lens	74	50	$263.43	$98.82
92004 New patient complete exam of visual system	55	55	$358.73	$144.35
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	37	37	$304.00	$159.80
92012 Established patient problem focused exam of visual system	22	22	$206.45	$85.26
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$200.00	$106.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	628	626	$297.00	$120.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	241	238	$198.00	$104.33
99213 Established patient office or other outpatient visit, typically 15 minutes	218	184	$135.00	$71.38
92083 Exam of visual field with extended testing	188	182	$175.00	$60.14
92134 Imaging of retina	179	163	$110.00	$38.96
92133 Imaging of optic nerve	154	152	$110.00	$34.38
66821 Removal of recurring cataract in lens capsule using a laser	112	95	$857.68	$288.37
92004 New patient complete exam of visual system	85	85	$356.00	$144.84
92012 Established patient problem focused exam of visual system	83	80	$206.00	$84.47
66984 Removal of cataract with insertion of lens	75	48	$267.00	$104.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	827	825	$297.00	$120.04
99213 Established patient office or other outpatient visit, typically 15 minutes	297	256	$135.00	$70.20
92133 Imaging of optic nerve	225	225	$109.80	$34.09
92134 Imaging of retina	216	199	$110.00	$38.82
92083 Exam of visual field with extended testing	212	203	$175.00	$60.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	210	205	$198.00	$103.11
66821 Removal of recurring cataract in lens capsule using a laser	141	116	$840.00	$295.59
92012 Established patient problem focused exam of visual system	127	120	$206.00	$83.61
92004 New patient complete exam of visual system	110	110	$356.00	$143.28
66984 Removal of cataract with insertion of lens	67	42	$267.00	$121.07
76514 Ultrasound scan of cornea to determine thickness	12	12	$130.00	$11.06
66984 Removal of cataract with insertion of lens	11	11	$2200.00	$610.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	864	863	$297.00	$118.45
99213 Established patient office or other outpatient visit, typically 15 minutes	402	314	$135.00	$68.22
92136 Measurement of corneal curvature and depth of eye	325	138	$97.14	$34.86
92083 Exam of visual field with extended testing	235	225	$175.00	$59.89
92133 Imaging of optic nerve	210	209	$110.00	$34.37
66984 Removal of cataract with insertion of lens	207	136	$2200.00	$599.76
92134 Imaging of retina	192	173	$110.00	$38.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	184	184	$198.00	$101.16
92012 Established patient problem focused exam of visual system	149	146	$206.00	$81.89
66821 Removal of recurring cataract in lens capsule using a laser	116	96	$839.22	$283.97
92004 New patient complete exam of visual system	93	93	$356.00	$142.45
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	17	$80.00	$39.42
92020 Examination of cornea and iris using lens device and slit lamp	11	11	$69.00	$25.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	975	971	$250.00	$115.51
99213 Established patient office or other outpatient visit, typically 15 minutes	410	339	$120.00	$67.65
92136 Measurement of corneal curvature and depth of eye	365	154	$96.08	$38.84
92083 Exam of visual field with extended testing	247	228	$175.00	$59.51
66984 Removal of cataract with insertion of lens	211	149	$2200.00	$593.34
92133 Imaging of optic nerve	186	186	$110.00	$33.92
92012 Established patient problem focused exam of visual system	179	171	$175.00	$79.17
92134 Imaging of retina	148	137	$110.00	$37.89
92004 New patient complete exam of visual system	123	123	$300.00	$139.45
66821 Removal of recurring cataract in lens capsule using a laser	108	85	$722.72	$275.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	77	77	$175.00	$100.34
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	43	37	$70.00	$40.30
76514 Ultrasound scan of cornea to determine thickness	11	11	$130.00	$13.47

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License IA 24334

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

2274084 (IA)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

3 Associated Practitioners

Dr. Norman Hutchison , MD

Ophthalmology

NPI 1023010618

Doctor of Medicine (M.D.)

Dr. Robert Moreland , OD

Optometrist

NPI 1740282243

Doctor of Optometry

Dr. Jeffrey Collett , OD

Optometrist

NPI 1912909516

Doctor of Optometry

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 1005 PENNSYLVANIA AVE, SUITE 110, OTTUMWA, IA 525016413 (Tel: 6416828571)

📍

Updated Business Mailing Address July 08, 2007

Registered at 1005 PENNSYLVANIA AVE, SUITE 110, OTTUMWA, IA 525016413 (Tel: 6416828571)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as GREG THORGAARD, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Ophthalmology (License #24334 in IA)

🟢

Initial NPI Registration & Enumeration August 12, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1770585366

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: August 12, 2005

Last Update: July 13, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1005 Pennsylvania Ave, Suite 110

Ottumwa, IA 525016413

Phone: 6416828571

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.