Active NPI 1932132818 Individual Practitioner Male Practitioner

Dr. Thomas Michael Grischow , OD

Optometrist • Warren, OH

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Grischow, OD is a certified Optometrist practicing in Warren, OH. With approximately 33 years of clinical experience since graduating from Ohio State University - College Of Optometry in 1993, Dr. Grischow delivers high-quality medical care to the local community at 4060 N RIVER RD NE.

Dr. Grischow is affiliated with Eye Care Associates, Inc and accepts Medicare assignment.

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

Practice Location & Contact Primary Location

Practice Address

4060 N River Rd Ne

Warren, OH 444841039

Telephone 3307467691

Associated Practice Facility / Clinic

🏢 Eye Care Associates, Inc Facility NPI 1245315068

Medicare Profile & Education

Medical School

Ohio State University - College Of Optometry

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Warren, OH

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

33 Yrs +8.5 yrs vs City Avg

City Avg: 24.5 Yrs

State Avg: 23.4 Yrs

Regional Practice Density

12 Specialists

Practicing in Warren, OH (2535 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

50.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Grischow (33 Years) 33 Yrs

Warren Specialty Average (24.5 Years) 24.5 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	444	439	$240.00	$121.46
99213 Established patient office or other outpatient visit, typically 15 minutes	326	270	$169.42	$89.42
92134 Imaging of retina	176	153	$90.00	$39.34
92133 Imaging of optic nerve	121	120	$87.00	$35.08
92083 Exam of visual field with extended testing	110	107	$125.00	$61.34
92004 New patient complete exam of visual system	72	72	$285.00	$143.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	34	$233.79	$125.10
76514 Ultrasound scan of cornea to determine thickness	12	12	$31.00	$10.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	390	388	$240.00	$119.86
99213 Established patient office or other outpatient visit, typically 15 minutes	267	231	$143.00	$86.77
92134 Imaging of retina	127	109	$90.00	$38.48
92133 Imaging of optic nerve	117	115	$87.00	$34.39
92083 Exam of visual field with extended testing	103	103	$125.00	$59.15
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	79	76	$211.00	$122.54
92004 New patient complete exam of visual system	74	74	$285.00	$140.00
76514 Ultrasound scan of cornea to determine thickness	16	16	$31.00	$10.35
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$226.00	$103.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	384	380	$240.00	$121.17
99213 Established patient office or other outpatient visit, typically 15 minutes	259	212	$143.00	$88.45
92134 Imaging of retina	128	113	$90.00	$38.99
92133 Imaging of optic nerve	123	121	$87.00	$34.86
92083 Exam of visual field with extended testing	100	97	$125.00	$59.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	71	70	$211.00	$124.27
92004 New patient complete exam of visual system	66	66	$285.00	$144.74
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	54	53	$90.00	$54.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	429	424	$240.00	$121.43
99213 Established patient office or other outpatient visit, typically 15 minutes	231	199	$143.00	$87.85
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	152	125	$90.00	$54.11
92134 Imaging of retina	129	112	$90.00	$39.05
92133 Imaging of optic nerve	112	109	$87.00	$35.29
92083 Exam of visual field with extended testing	93	91	$125.00	$60.26
92004 New patient complete exam of visual system	61	61	$285.00	$143.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	20	$211.00	$122.80
76514 Ultrasound scan of cornea to determine thickness	17	17	$31.00	$10.71
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$226.00	$109.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	350	350	$240.00	$121.96
99213 Established patient office or other outpatient visit, typically 15 minutes	304	229	$143.00	$73.41
92133 Imaging of optic nerve	100	96	$87.00	$35.93
92134 Imaging of retina	95	83	$90.00	$39.33
92083 Exam of visual field with extended testing	80	77	$125.00	$60.41
92004 New patient complete exam of visual system	46	46	$285.00	$146.84
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	22	$211.00	$106.99
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$90.00	$44.53
76514 Ultrasound scan of cornea to determine thickness	13	13	$31.00	$11.14
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$226.00	$105.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	361	358	$240.00	$121.18
99213 Established patient office or other outpatient visit, typically 15 minutes	340	256	$142.12	$71.02
92134 Imaging of retina	92	81	$90.00	$39.64
92004 New patient complete exam of visual system	86	86	$285.00	$142.05
92133 Imaging of optic nerve	78	75	$86.41	$35.88
92083 Exam of visual field with extended testing	68	68	$125.00	$61.31
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	23	$210.70	$105.81
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$221.43	$105.39
76514 Ultrasound scan of cornea to determine thickness	14	14	$30.57	$11.81
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$87.27	$43.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	284	283	$240.00	$120.19
99213 Established patient office or other outpatient visit, typically 15 minutes	263	209	$140.00	$69.75
92134 Imaging of retina	80	74	$90.00	$39.32
83861 Microfluid analysis of tears	76	31	$45.00	$22.03
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	70	69	$210.00	$101.03
92133 Imaging of optic nerve	66	64	$85.00	$35.61
92004 New patient complete exam of visual system	58	58	$285.00	$138.80
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	58	51	$85.00	$41.53
92083 Exam of visual field with extended testing	56	54	$125.00	$60.69
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$210.00	$103.94
76514 Ultrasound scan of cornea to determine thickness	12	12	$30.00	$13.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	333	248	$140.00	$68.08
92014 Established patient complete exam of visual system	187	187	$240.00	$114.34
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	99	86	$210.00	$100.08
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	96	74	$85.00	$40.43
92083 Exam of visual field with extended testing	71	68	$125.00	$59.33
92004 New patient complete exam of visual system	65	65	$285.00	$137.21
92134 Imaging of retina	61	57	$90.00	$38.22
92133 Imaging of optic nerve	59	59	$85.00	$34.18
83861 Microfluid analysis of tears	42	19	$45.00	$21.23
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$320.00	$149.40
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$210.00	$101.92

Medical Specialties & State Licenses

CMS Verified: 2025-01-14

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License OH OPT004457

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

0958281 (OH)

Hospital & Practice Group Affiliations

Eye Care Associates, Inc

10 Dutton Dr, Youngstown, OH 445021818

Phone: 3308846584

Secondary Practice Locations

10 Dutton Dr, Suite 200

Youngstown, OH 445021818

Phone: 3307467691

1075 W Western Reserve Rd

Poland, OH 445143541

Phone: 3307467691

Practice Associates & Co-Workers

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

13 Associated Practitioners

Dr. Chad Shultz , OD

Optometrist

NPI 1003909094

Doctor of Optometry

Dr. Hai-Shiuh Wang , MD

Ophthalmology

NPI 1053313551

Doctor of Medicine (M.D.)

Dr. Sarah Smith , MD

Ophthalmology

NPI 1053639161

Doctor of Medicine (M.D.)

Dr. Robert Gerberry , OD

Optometrist

NPI 1083616676

Doctor of Optometry

Dr. Taylor Richards , OD

Optometrist

NPI 1114619137

Doctor of Optometry

Dr. Lyn Yakubov , MD

Ophthalmology

NPI 1144222746

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location January 14, 2025

Registered at 4060 N RIVER RD NE, WARREN, OH 444841039 (Tel: 3307467691)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 14, 2025

Optometrist (License #OPT004457 in OH)

✅

NPI Profile Active April 20, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location April 20, 2016

Registered at 10 DUTTON DR, SUITE 200, YOUNGSTOWN, OH 445021818 (Tel: 3307467691)

📍

Updated Business Mailing Address April 20, 2016

Registered at 10 DUTTON DR, SUITE 200, YOUNGSTOWN, OH 445021818 (Tel: 3307467691)

👤

Provider Name / Credentials Updated April 20, 2016

Recorded as THOMAS GRISCHOW, O.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 20, 2016

Optometrist (License #4457 in OH)

🟢

Initial NPI Registration & Enumeration July 07, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1932132818

Entity Type:

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

Enumeration Date: July 07, 2006

Last Update: January 14, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

10 Dutton Dr, Suite 200

Youngstown, OH 445021818

Phone: 3307467691

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

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