Active NPI 1083622773 Individual Practitioner Male Practitioner

Dr. Mark W Johnson , MD

Ophthalmology • Ann Arbor, MI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Johnson, MD is a certified Ophthalmology practicing in Ann Arbor, MI. With approximately 42 years of clinical experience since graduating from University Of Utah School Of Medicine in 1984, Dr. Johnson delivers high-quality medical care to the local community at 1000 WALL STREET.

Dr. Johnson is affiliated with Regents Of The University Of Michigan and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, imaging of retina, injection of drug into eye. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1000 Wall Street

Ann Arbor, MI 481051912

Telephone 7347644190

Associated Practice Facility / Clinic

🏢 Regents Of The University Of Michigan Facility NPI 1568495299

Medicare Profile & Education

Medical School

University Of Utah School Of Medicine

Graduation Year

1984

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Ann Arbor, MI

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

42 Yrs +23.1 yrs vs City Avg

City Avg: 18.9 Yrs

State Avg: 27.6 Yrs

Regional Practice Density

130 Specialists

Practicing in Ann Arbor, MI (843 Statewide)

Telehealth Adoption Rate

6.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

63.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Johnson (42 Years) 42 Yrs

Ann Arbor Specialty Average (18.9 Years) 18.9 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	247	181	$129.54	$97.86
92134 Imaging of retina	189	132	$133.00	$24.05
67028 Injection of drug into eye	135	31	$666.00	$90.79
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	58	53	$42.00	$16.49
92014 Established patient complete exam of visual system	23	23	$145.43	$75.88
92202 Extended exam of the back part of the eye with optic nerve drawing	23	23	$75.26	$14.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$224.00	$135.45
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	11	$213.00	$144.72

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	293	201	$125.85	$99.13
92134 Imaging of retina	288	193	$133.00	$24.54
67028 Injection of drug into eye	167	45	$669.99	$92.24
92014 Established patient complete exam of visual system	73	70	$141.71	$75.02
92202 Extended exam of the back part of the eye with optic nerve drawing	20	20	$73.00	$14.59
92201 Extended exam of the back part of the eye with retinal drawing	17	16	$102.00	$22.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$224.00	$136.91
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	15	14	$195.27	$145.35
92235 Exam of retinal blood vessels using a special camera after injection of a dye	12	11	$285.00	$41.45

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	306	193	$133.00	$25.20
67028 Injection of drug into eye	221	57	$669.01	$93.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	204	136	$121.40	$100.52
92014 Established patient complete exam of visual system	182	175	$142.01	$78.22
92202 Extended exam of the back part of the eye with optic nerve drawing	48	48	$66.50	$14.66
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	33	31	$173.27	$150.19
92201 Extended exam of the back part of the eye with retinal drawing	23	23	$102.00	$23.02
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$224.00	$140.67
67042 Removal of membrane of retina with removal of internal limiting membrane of retina	15	15	$6568.00	$1154.85
92235 Exam of retinal blood vessels using a special camera after injection of a dye	14	13	$285.00	$42.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92134 Imaging of retina	295	187	$146.87	$26.21
67028 Injection of drug into eye	240	61	$666.00	$94.69
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	208	132	$121.14	$103.27
92014 Established patient complete exam of visual system	186	175	$147.73	$80.03
92202 Extended exam of the back part of the eye with optic nerve drawing	51	51	$66.47	$14.87
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	27	27	$177.74	$153.68
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$232.13	$143.19
92235 Exam of retinal blood vessels using a special camera after injection of a dye	13	12	$285.00	$42.74
92201 Extended exam of the back part of the eye with retinal drawing	13	13	$113.54	$23.55
92004 New patient complete exam of visual system	13	13	$208.31	$105.54
67042 Removal of membrane of retina with removal of internal limiting membrane of retina	11	11	$6568.00	$1177.12

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	355	263	$121.89	$82.82
92134 Imaging of retina	315	216	$133.00	$26.02
67028 Injection of drug into eye	249	78	$666.00	$101.73
92202 Extended exam of the back part of the eye with optic nerve drawing	53	53	$65.00	$15.52
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	46	45	$172.00	$118.15
92201 Extended exam of the back part of the eye with retinal drawing	29	29	$102.00	$24.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$228.58	$134.04
99213 Established patient office or other outpatient visit, typically 15 minutes	20	18	$81.40	$54.53
92235 Exam of retinal blood vessels using a special camera after injection of a dye	18	18	$285.00	$42.67

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	392	282	$107.64	$81.71
92134 Imaging of retina	340	203	$133.00	$26.26
67028 Injection of drug into eye	251	55	$666.00	$103.49
92225 Examination of eye by ophthalmoscope with retinal drawing	88	63	$108.02	$24.58
99213 Established patient office or other outpatient visit, typically 15 minutes	50	45	$73.66	$53.04
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	42	39	$172.00	$115.81
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$216.32	$135.59
92235 Exam of retinal blood vessels using a special camera after injection of a dye	29	26	$285.00	$44.23
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$323.07	$171.82
92250 Photography of the retina	11	11	$103.00	$22.44

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	464	312	$93.98	$80.89
92134 Imaging of retina	344	187	$133.00	$26.38
67028 Injection of drug into eye	269	61	$666.00	$103.30
92225 Examination of eye by ophthalmoscope with retinal drawing	42	30	$101.62	$22.84
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	41	39	$165.51	$114.57
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	24	24	$306.17	$171.44
92235 Exam of retinal blood vessels using a special camera after injection of a dye	21	19	$285.00	$43.98
92226 Examination of eye by ophthalmoscope with retinal drawing	20	14	$87.15	$20.36

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	491	342	$93.45	$80.15
92134 Imaging of retina	312	181	$133.00	$25.83
67028 Injection of drug into eye	257	71	$666.00	$101.01
92226 Examination of eye by ophthalmoscope with retinal drawing	132	84	$98.09	$22.47
92225 Examination of eye by ophthalmoscope with retinal drawing	98	71	$114.82	$25.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	39	39	$206.00	$133.57
92235 Exam of retinal blood vessels using a special camera after injection of a dye	21	20	$285.00	$43.48
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	20	20	$158.00	$113.43
76512 Ultrasound of eye disease, growth, or structure	19	17	$255.32	$58.71
99213 Established patient office or other outpatient visit, typically 15 minutes	15	15	$57.00	$52.23
67042 Removal of membrane of retina with removal of internal limiting membrane of retina	13	13	$6568.00	$1171.62

Medical Specialties & State Licenses

CMS Verified: 2021-01-19

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License MI 4301406537

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

2671668 (MI)

Hospital & Practice Group Affiliations

Regents Of The University Of Michigan

1000 Wall St, Ann Arbor, MI 481051912

Phone: 7347644190

Regents Of The University Of Michigan

1500 E Medical Ctr Dr, Ann Arbor, MI 481095000

Phone: 7347644190

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Jill Bixler , MD

Ophthalmology

NPI 1003921354

Doctor of Medicine (M.D.)

Paul Lee

Ophthalmology

NPI 1003991332

Dr. Sherry Day , OD

Optometrist

NPI 1013061977

Doctor of Optometry

Dr. Monte Delmonte , MD

Ophthalmology

NPI 1023026721

Doctor of Medicine (M.D.)

Dr. Cherie Farkash , OD

Optometrist

NPI 1033121884

Doctor of Optometry

Dr. Denise John , MD

Ophthalmology

NPI 1033232319

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Business Mailing Address January 19, 2021

Registered at 3621 S STATE ST, ANN ARBOR, MI 481081633 (Tel: 7346475299)

✅

NPI Profile Active March 27, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location March 27, 2012

Registered at 1000 WALL STREET, ANN ARBOR, MI 481051912 (Tel: 7347644190)

📍

Updated Business Mailing Address March 27, 2012

Registered at 3621 S STATE ST, 700 KMS PLACE ATTN ELLEN KAYFES, ANN ARBOR, MI 48108 (Tel: 7349362047)

👤

Provider Name / Credentials Updated March 27, 2012

Recorded as MARK JOHNSON, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 27, 2012

Ophthalmology (License #4301406537 in MI)

🟢

Initial NPI Registration & Enumeration August 04, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1083622773

Entity Type:

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

Enumeration Date: August 04, 2006

Last Update: January 19, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3621 S State St

Ann Arbor, MI 481081633

Phone: 7346475299

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.