Active NPI 1972731461 Individual Practitioner Male Practitioner

Dr. Mark Allan Walker , OD

Optometrist • Elkhart, IN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Walker, OD is a certified Optometrist practicing in Elkhart, IN. With approximately 17 years of clinical experience since graduating from Indiana University - School Of Optometry in 2009, Dr. Walker delivers high-quality medical care to the local community at 2746 OLD US 20 W.

Dr. Walker is affiliated with Boling Vision Center Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, imaging of optic nerve, 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

2746 Old Us 20 W

Elkhart, IN 465141364

Telephone 5742933545

Fax 5745220599

Associated Practice Facility / Clinic

🏢 Boling Vision Center, Llc Facility NPI 1003851445

Medicare Profile & Education

Medical School

Indiana University - School Of Optometry

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Elkhart, IN

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

17 Yrs -0.7 yrs vs City Avg

City Avg: 17.7 Yrs

State Avg: 22.8 Yrs

Regional Practice Density

21 Specialists

Practicing in Elkhart, IN (1644 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

56.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Walker (17 Years) 17 Yrs

Elkhart Specialty Average (17.7 Years) 17.7 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	706	647	$179.00	$121.57
92133 Imaging of optic nerve	365	318	$128.00	$34.20
99213 Established patient office or other outpatient visit, typically 15 minutes	364	220	$130.00	$85.91
92134 Imaging of retina	232	192	$131.00	$38.17
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	166	123	$17.00	$15.73
92250 Photography of the retina	133	123	$185.00	$33.88
92083 Exam of visual field with extended testing	87	79	$214.00	$59.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	48	48	$276.00	$157.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	505	466	$298.00	$118.02
92133 Imaging of optic nerve	329	306	$128.00	$33.84
92012 Established patient problem focused exam of visual system	230	158	$205.00	$83.50
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	222	214	$179.00	$118.51
92134 Imaging of retina	221	178	$131.00	$37.56
92250 Photography of the retina	215	181	$185.00	$33.43
99213 Established patient office or other outpatient visit, typically 15 minutes	116	89	$129.77	$82.61
92083 Exam of visual field with extended testing	93	85	$214.00	$54.80
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	43	43	$276.00	$155.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	692	642	$298.00	$119.77
92133 Imaging of optic nerve	354	327	$128.00	$34.60
92012 Established patient problem focused exam of visual system	338	251	$205.00	$84.22
83861 Microfluid analysis of tears	204	98	$38.45	$22.15
92134 Imaging of retina	200	167	$131.00	$38.31
92250 Photography of the retina	197	181	$185.00	$33.99
92083 Exam of visual field with extended testing	96	94	$214.00	$58.27
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$276.00	$158.15
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	24	$179.00	$118.79
99213 Established patient office or other outpatient visit, typically 15 minutes	22	14	$121.00	$86.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	750	690	$298.00	$120.93
92133 Imaging of optic nerve	369	342	$128.00	$35.13
92012 Established patient problem focused exam of visual system	315	232	$205.00	$85.42
92250 Photography of the retina	214	200	$185.00	$36.37
92134 Imaging of retina	206	174	$131.00	$38.95
92083 Exam of visual field with extended testing	98	95	$214.00	$59.01
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	59	58	$179.00	$123.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$276.00	$159.98
99213 Established patient office or other outpatient visit, typically 15 minutes	19	17	$121.00	$84.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	791	723	$298.00	$121.32
92012 Established patient problem focused exam of visual system	399	285	$205.00	$84.92
92133 Imaging of optic nerve	377	355	$128.00	$35.54
92250 Photography of the retina	269	234	$185.00	$41.74
92134 Imaging of retina	182	152	$131.00	$39.00
92083 Exam of visual field with extended testing	110	100	$214.00	$59.54
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$276.00	$157.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	33	32	$179.00	$99.00
99213 Established patient office or other outpatient visit, typically 15 minutes	15	13	$121.00	$64.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	894	816	$298.00	$120.97
92012 Established patient problem focused exam of visual system	526	340	$205.00	$84.16
92133 Imaging of optic nerve	413	392	$128.00	$35.23
92250 Photography of the retina	357	317	$185.00	$46.82
92134 Imaging of retina	171	143	$131.00	$39.28
92083 Exam of visual field with extended testing	159	150	$214.00	$59.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	65	65	$276.00	$153.13
99213 Established patient office or other outpatient visit, typically 15 minutes	43	33	$121.00	$68.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	33	32	$179.00	$95.65
67820 Removal of eyelashes using forceps	14	11	$211.29	$34.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	847	791	$298.00	$119.41
92012 Established patient problem focused exam of visual system	472	324	$205.00	$82.62
92133 Imaging of optic nerve	364	352	$128.00	$35.56
92250 Photography of the retina	339	313	$185.00	$52.85
92083 Exam of visual field with extended testing	181	171	$214.00	$59.60
92134 Imaging of retina	164	137	$131.00	$39.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	57	52	$179.00	$101.62
99213 Established patient office or other outpatient visit, typically 15 minutes	55	50	$121.00	$68.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	51	51	$276.00	$154.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	793	777	$298.00	$116.68
92133 Imaging of optic nerve	354	350	$128.00	$35.23
92012 Established patient problem focused exam of visual system	313	243	$205.00	$80.10
99213 Established patient office or other outpatient visit, typically 15 minutes	271	204	$121.00	$68.07
92250 Photography of the retina	221	199	$185.00	$61.01
92083 Exam of visual field with extended testing	217	199	$214.00	$56.94
92134 Imaging of retina	162	140	$131.00	$38.71
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	82	73	$72.00	$40.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	63	63	$179.00	$100.55
92275 Recording of retinal electrical responses to external stimuli	23	21	$416.00	$120.95
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	23	23	$276.00	$148.93
92004 New patient complete exam of visual system	16	16	$358.00	$140.82

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License IN 18003605A

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

Boling Vision Center Llc

2746 Old Us 20, Elkhart, IN 465141365

Phone: 5742933545

Practice Associates & Co-Workers

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

7 Associated Practitioners

Dr. Amy Layman , OD

Optometrist

NPI 1215965454

Doctor of Optometry

Dr. Richard Boling , MD

Ophthalmology

NPI 1245278068

Doctor of Medicine (M.D.)

Dr. Kylene Polhamus , OD

Optometrist

NPI 1427464890

Doctor of Optometry

Dr. Richard Boling , MD

Ophthalmology

NPI 1558399220

Doctor of Medicine (M.D.)

Dr. Whitney Boling , MD

Ophthalmology

NPI 1629333133

Doctor of Medicine (M.D.)

Dr. Kevin Dietrich , MD

Ophthalmology

NPI 1639597636

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 November 08, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location November 08, 2012

Registered at 2746 OLD US 20 W, ELKHART, IN 465141364 (Tel: 5742933545)

📍

Updated Business Mailing Address November 08, 2012

Registered at 2746 OLD US 20 W, ELKHART, IN 465141364 (Tel: 5742933545)

👤

Provider Name / Credentials Updated November 08, 2012

Recorded as MARK WALKER, O.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 08, 2012

Optometrist (License #18003605A in IN)

🟢

Initial NPI Registration & Enumeration June 23, 2009

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: 1972731461

Entity Type:

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

Enumeration Date: June 23, 2009

Last Update: November 08, 2012

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2746 Old Us 20 W

Elkhart, IN 465141364

Phone: 5742933545

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.