Active NPI 1225094550 Individual Practitioner Male Practitioner

Dr. John R Markham , OD

Optometrist • Prescott, AZ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Markham, OD is a certified Optometrist practicing in Prescott, AZ. With approximately 53 years of clinical experience since graduating from Pacific University - College Of Optometry in 1973, Dr. Markham delivers high-quality medical care to the local community at 1680 WILLOW CREEK RD.

Dr. Markham is affiliated with Southwestern Eye Center Ltd and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, photography of the retina, 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

1680 Willow Creek Rd

Prescott, AZ 863011108

Telephone 9287783950

Fax 9287783999

Associated Practice Facility / Clinic

🏢 Advanced Anesthesia Group, Llc Facility NPI 1790720241

Medicare Profile & Education

Medical School

Pacific University - College Of Optometry

Graduation Year

1973

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in Prescott, AZ

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

53 Yrs +32.6 yrs vs City Avg

City Avg: 20.4 Yrs

State Avg: 20.2 Yrs

Regional Practice Density

26 Specialists

Practicing in Prescott, AZ (1373 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

59.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Markham (53 Years) 53 Yrs

Prescott Specialty Average (20.4 Years) 20.4 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	66	59	$190.00	$92.90
92250 Photography of the retina	34	34	$175.00	$37.10
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	32	$270.00	$131.39
92134 Imaging of retina	26	25	$105.00	$41.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	85	82	$190.00	$88.88
92134 Imaging of retina	36	36	$105.00	$39.72
92250 Photography of the retina	31	31	$128.55	$36.10
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	24	$270.00	$125.74
92133 Imaging of optic nerve	22	22	$95.00	$36.04

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	265	223	$270.00	$126.76
99213 Established patient office or other outpatient visit, typically 15 minutes	198	167	$190.00	$89.28
92250 Photography of the retina	148	142	$115.00	$35.35
92134 Imaging of retina	140	132	$105.00	$40.02
92133 Imaging of optic nerve	94	88	$95.00	$36.18
92083 Exam of visual field with extended testing	65	65	$160.00	$61.02
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	35	35	$410.00	$165.30
76514 Ultrasound scan of cornea to determine thickness	16	16	$30.00	$10.67

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	360	267	$270.00	$128.70
92250 Photography of the retina	173	160	$115.00	$37.04
92134 Imaging of retina	151	135	$105.00	$40.64
92133 Imaging of optic nerve	115	110	$95.00	$36.83
92083 Exam of visual field with extended testing	88	83	$160.00	$61.66
92014 Established patient complete exam of visual system	85	83	$315.00	$125.58
99213 Established patient office or other outpatient visit, typically 15 minutes	68	57	$190.00	$90.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	55	55	$410.00	$166.85
92273 Full field recording of retinal electrical responses to external stimuli with interpretation and report	15	15	$325.00	$129.81
76514 Ultrasound scan of cornea to determine thickness	11	11	$30.00	$10.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	251	216	$170.00	$124.93
92250 Photography of the retina	131	124	$110.00	$42.81
92134 Imaging of retina	115	110	$95.00	$40.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	86	82	$150.00	$108.26
92133 Imaging of optic nerve	78	78	$95.00	$36.95
99213 Established patient office or other outpatient visit, typically 15 minutes	55	48	$100.00	$73.32
92083 Exam of visual field with extended testing	51	50	$120.00	$62.33
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$225.00	$163.94
76514 Ultrasound scan of cornea to determine thickness	25	25	$70.00	$11.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	530	372	$173.04	$124.31
92134 Imaging of retina	223	200	$100.43	$40.35
92250 Photography of the retina	169	157	$112.46	$47.94
92133 Imaging of optic nerve	60	56	$98.67	$36.45
92083 Exam of visual field with extended testing	58	56	$121.66	$62.88
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	53	53	$230.55	$161.77
99213 Established patient office or other outpatient visit, typically 15 minutes	47	40	$101.15	$72.79
76514 Ultrasound scan of cornea to determine thickness	40	40	$70.00	$11.60
92012 Established patient problem focused exam of visual system	39	29	$121.38	$86.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	29	$150.97	$106.65
92081 Exam of visual field with limited testing	15	13	$104.40	$32.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	764	526	$201.00	$123.82
92134 Imaging of retina	344	301	$150.00	$40.59
92250 Photography of the retina	228	206	$136.00	$53.72
92012 Established patient problem focused exam of visual system	109	69	$138.00	$85.31
92083 Exam of visual field with extended testing	86	85	$144.00	$62.98
92081 Exam of visual field with limited testing	77	77	$96.00	$32.27
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	71	71	$274.00	$161.97
76514 Ultrasound scan of cornea to determine thickness	25	25	$70.00	$13.71
92133 Imaging of optic nerve	22	21	$150.00	$36.87
99213 Established patient office or other outpatient visit, typically 15 minutes	19	16	$118.00	$71.52
67820 Removal of eyelashes using forceps	19	14	$197.37	$46.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	890	622	$201.00	$118.24
92012 Established patient problem focused exam of visual system	390	287	$138.00	$80.83
92134 Imaging of retina	256	230	$150.00	$38.75
92081 Exam of visual field with limited testing	244	231	$96.00	$32.01
92250 Photography of the retina	226	210	$136.00	$61.81
92133 Imaging of optic nerve	174	165	$150.00	$34.88
92083 Exam of visual field with extended testing	150	143	$144.00	$56.79
76514 Ultrasound scan of cornea to determine thickness	74	72	$70.00	$13.32
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	58	58	$274.00	$156.93
67820 Removal of eyelashes using forceps	39	25	$246.15	$57.91
92275 Recording of retinal electrical responses to external stimuli	30	30	$225.00	$141.45
95930 Measurement of nerve conduction using visual stimulation testing with report	29	29	$225.00	$122.94
92004 New patient complete exam of visual system	18	18	$246.00	$143.57
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$122.00	$71.80

Medical Specialties & State Licenses

Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License AZ 142

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

033176 (AZ)

Commercial Insurance / Payer ID Ran & Amn

153165

Commercial Insurance / Payer ID Aetna

5858351

Commercial Insurance / Payer ID Ahcccs

033176 (AZ)

Commercial Insurance / Payer ID Humana

866291-9714

Commercial Insurance / Payer ID Mercycare

1263119 (AZ)

Commercial Insurance / Payer ID Group Medicare - Clinic

Z63118 (AZ)

Commercial Insurance / Payer ID Eyemed

AZ0142

Commercial Insurance / Payer ID Avesis

15220

Commercial Insurance / Payer ID Eyecare Direct

AZ0142

Hospital & Practice Group Affiliations

Southwestern Eye Center Ltd

1600 Willow Creek Rd, Prescott, AZ 863011108

Phone: 9287767477

Practice Associates & Co-Workers

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

5 Associated Practitioners

Dr. Carrie Miranda , OD

Optometrist

NPI 1306896303

Doctor of Optometry

Dr. Brett Christensen , OD

Optometrist

NPI 1639670870

Doctor of Optometry

Dr. Amy Champ , OD

Optometrist

NPI 1649238346

Doctor of Optometry

Dr. Steven Mortenson , MD

Ophthalmology

NPI 1962473595

Doctor of Medicine (M.D.)

Dr. Scott Markham , DO

Ophthalmology

NPI 1972688836

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active April 20, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location April 20, 2016

Registered at 1680 WILLOW CREEK RD, PRESCOTT, AZ 863011108 (Tel: 9287783950)

📍

Updated Business Mailing Address April 20, 2016

Registered at 3192 WILLOW CREEK RD, PRESCOTT, AZ 863016610 (Tel: 9287783950)

👤

Provider Name / Credentials Updated April 20, 2016

Recorded as JOHN MARKHAM, O D

🎓

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

Optometrist (License #142 in AZ)

🟢

Initial NPI Registration & Enumeration April 25, 2006

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: 1225094550

Entity Type:

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

Enumeration Date: April 25, 2006

Last Update: April 20, 2016

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

3192 Willow Creek Rd

Prescott, AZ 863016610

Phone: 9287783950

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.