Active NPI 1508869942 Individual Practitioner Male Practitioner

Dr. Jon E Mark , OD

Optometrist • Warsaw, IN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Jon Mark, OD is a certified Optometrist practicing in Warsaw, IN. With approximately 40 years of clinical experience since graduating from Indiana University - School Of Optometry in 1986, Dr. Mark delivers high-quality medical care to the local community at 2251 DUBOIS DR.

Dr. Mark is affiliated with Grossnickle Eye Center Inc and accepts Medicare assignment.

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

Practice Location & Contact Primary Location

Practice Address

2251 Dubois Dr

Warsaw, IN 465803212

Telephone 5742692777

Fax 5743714697

Associated Practice Facility / Clinic

🏢 Grossnickle Eye Center, Inc. Facility NPI 1265436125

Medicare Profile & Education

Medical School

Indiana University - School Of Optometry

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Warsaw, IN

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

40 Yrs +13.8 yrs vs City Avg

City Avg: 26.2 Yrs

State Avg: 22.8 Yrs

Regional Practice Density

15 Specialists

Practicing in Warsaw, IN (1644 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

37.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mark (40 Years) 40 Yrs

Warsaw Specialty Average (26.2 Years) 26.2 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
99213 Established patient office or other outpatient visit, typically 15 minutes	649	476	$100.00	$86.62
92134 Imaging of retina	225	98	$113.13	$37.78
92083 Exam of visual field with extended testing	96	87	$150.00	$60.10
92133 Imaging of optic nerve	94	88	$115.00	$33.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	80	58	$150.00	$122.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$150.00	$105.82
92020 Examination of cornea and iris using lens device and slit lamp	15	14	$50.00	$26.30
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$55.00	$53.79
92201 Extended exam of the back part of the eye with retinal drawing	11	11	$50.00	$23.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$200.00	$158.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	635	491	$100.00	$85.10
92134 Imaging of retina	230	97	$112.15	$37.02
92133 Imaging of optic nerve	105	99	$113.52	$33.31
92083 Exam of visual field with extended testing	92	87	$150.00	$58.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	84	75	$150.00	$120.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$150.00	$103.25
92020 Examination of cornea and iris using lens device and slit lamp	14	14	$50.00	$26.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$200.00	$156.80
92250 Photography of the retina	12	12	$140.00	$35.15
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$55.00	$53.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	734	560	$100.00	$86.05
92134 Imaging of retina	268	112	$110.00	$36.67
92083 Exam of visual field with extended testing	123	112	$143.01	$56.14
92133 Imaging of optic nerve	111	101	$108.15	$31.70
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	109	96	$150.00	$122.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$150.00	$105.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$200.00	$158.94
92250 Photography of the retina	14	11	$120.00	$30.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	910	723	$100.00	$87.15
92134 Imaging of retina	287	141	$108.57	$36.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	173	140	$150.00	$123.99
92083 Exam of visual field with extended testing	133	122	$146.77	$58.66
92133 Imaging of optic nerve	114	106	$111.67	$33.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	64	64	$150.00	$106.60
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$200.00	$160.45
92020 Examination of cornea and iris using lens device and slit lamp	20	20	$50.00	$26.92
92250 Photography of the retina	14	13	$137.14	$35.91
76514 Ultrasound scan of cornea to determine thickness	13	13	$50.00	$10.54
92201 Extended exam of the back part of the eye with retinal drawing	12	12	$50.00	$23.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	909	719	$100.00	$71.63
92134 Imaging of retina	189	111	$106.32	$36.18
92083 Exam of visual field with extended testing	98	84	$147.60	$59.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	72	69	$150.00	$104.34
92133 Imaging of optic nerve	69	64	$109.42	$32.87
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$150.00	$102.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	18	$55.00	$43.06
92250 Photography of the retina	18	18	$132.22	$39.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$200.00	$157.72
76514 Ultrasound scan of cornea to determine thickness	12	12	$50.00	$11.16
92201 Extended exam of the back part of the eye with retinal drawing	11	11	$50.00	$24.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,221	890	$100.00	$70.35
92134 Imaging of retina	244	125	$110.10	$37.51
92083 Exam of visual field with extended testing	126	115	$146.59	$59.56
92133 Imaging of optic nerve	84	78	$110.48	$33.47
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	55	55	$150.00	$102.33
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	49	47	$150.00	$103.66
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	41	29	$55.00	$42.63
92250 Photography of the retina	27	26	$133.33	$43.93
76514 Ultrasound scan of cornea to determine thickness	18	18	$50.00	$11.43
92020 Examination of cornea and iris using lens device and slit lamp	18	18	$50.00	$25.37
99202 New patient office or other outpatient visit, typically 20 minutes	16	16	$100.00	$72.29
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$200.00	$156.15
92225 Examination of eye by ophthalmoscope with retinal drawing	12	12	$54.17	$28.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,200	892	$100.00	$68.56
92134 Imaging of retina	217	130	$111.29	$37.98
92083 Exam of visual field with extended testing	91	87	$150.00	$60.39
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	85	84	$150.00	$101.55
92133 Imaging of optic nerve	84	77	$109.52	$33.67
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	57	57	$150.00	$100.97
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	49	37	$55.00	$41.10
99202 New patient office or other outpatient visit, typically 20 minutes	28	28	$100.00	$70.47
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$200.00	$154.19
92020 Examination of cornea and iris using lens device and slit lamp	21	19	$50.00	$25.63
92250 Photography of the retina	19	19	$140.00	$53.52
92225 Examination of eye by ophthalmoscope with retinal drawing	17	16	$55.88	$29.10
76514 Ultrasound scan of cornea to determine thickness	15	15	$50.00	$14.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	1,178	914	$100.00	$68.80
92134 Imaging of retina	234	131	$112.69	$37.76
92083 Exam of visual field with extended testing	91	84	$147.42	$59.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	89	89	$150.00	$99.43
92133 Imaging of optic nerve	71	68	$111.76	$34.10
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	68	68	$150.00	$101.26
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	41	28	$55.00	$39.95
99202 New patient office or other outpatient visit, typically 20 minutes	29	29	$100.00	$69.17
92225 Examination of eye by ophthalmoscope with retinal drawing	11	11	$54.55	$28.02

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License IN 18002230A

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.

Hospital & Practice Group Affiliations

Grossnickle Eye Center Inc

2251 Dubois Dr, Warsaw, IN 465803212

Phone: 5742692777

Practice Associates & Co-Workers

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

17 Associated Practitioners

Dr. Dennis Miller , OD

Optometrist

NPI 1003819442

Doctor of Optometry

Dr. Paul Grossnickle , OD

Optometrist

NPI 1023011426

Doctor of Optometry

Dr. Matthew Ralstin , MD

Ophthalmology

NPI 1104088731

Doctor of Medicine (M.D.)

Dr. Ann Madden , OD

Optometrist

NPI 1285660902

Doctor of Optometry

Dr. Steven Grossnickle , MD

Ophthalmology

NPI 1437152097

Doctor of Medicine (M.D.)

Dr. Colin Ridenour , MD

Ophthalmology

NPI 1457888430

Doctor of Medicine (M.D.)

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 2251 DUBOIS DR, WARSAW, IN 465803212 (Tel: 5742692777)

📍

Updated Business Mailing Address July 08, 2007

Registered at 2251 DUBOIS DR, WARSAW, IN 465803212 (Tel: 5742692777)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as JON MARK, O.D.

🎓

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

Optometrist (License #18002230A in IN)

🟢

Initial NPI Registration & Enumeration May 31, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1508869942

Entity Type:

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

Enumeration Date: May 31, 2005

Last Update: July 08, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2251 Dubois Dr

Warsaw, IN 465803212

Phone: 5742692777

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.