Active NPI 1588009765 Individual Practitioner Male Practitioner

Dr. Thomas Vincent Johnson , MD, PhD

Ophthalmology • Baltimore, MD

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Johnson, MD, PhD is a certified Ophthalmology practicing in Baltimore, MD. With approximately 12 years of clinical experience since graduating from Johns Hopkins University School Of Medicine in 2014, Dr. Johnson delivers high-quality medical care to the local community at WILMER EYE INSTITUTE, JOHNS HOPKINS HOSPITAL.

Dr. Johnson is affiliated with Johns Hopkins University and does not directly accept Medicare assignment.

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

Practice Location & Contact Primary Location

Practice Address

Wilmer Eye Institute, Johns Hopkins Hospital
600 North Wolfe Street, Wilmer B-29

Baltimore, MD 212870001

Telephone 4109555650

Fax 4106148496

Associated Practice Facility / Clinic

🏢 Johns Hopkins Community Physicians Facility NPI 1417422932

Medicare Profile & Education

Medical School

Johns Hopkins University School Of Medicine

Graduation Year

2014

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Baltimore, MD

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

12 Yrs -10.6 yrs vs City Avg

City Avg: 22.6 Yrs

State Avg: 28.5 Yrs

Regional Practice Density

222 Specialists

Practicing in Baltimore, MD (624 Statewide)

Telehealth Adoption Rate

0.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

68.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Johnson (12 Years) 12 Yrs

Baltimore Specialty Average (22.6 Years) 22.6 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
92083 Exam of visual field with extended testing	667	452	$265.66	$65.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	647	391	$313.64	$132.47
92133 Imaging of optic nerve	299	284	$174.59	$35.03
92014 Established patient complete exam of visual system	178	148	$321.00	$129.67
92136 Measurement of corneal curvature and depth of eye	76	73	$296.63	$47.20
92020 Examination of cornea and iris using lens device and slit lamp	67	67	$130.00	$28.24
76514 Ultrasound scan of cornea to determine thickness	64	64	$38.69	$10.99
66991 Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye	52	36	$2281.65	$702.74
66984 Removal of cataract with insertion of lens	38	26	$2199.34	$501.34
92136 Measurement of corneal curvature and depth of eye	35	35	$296.91	$30.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$481.38	$173.51
66170 Creation of eye fluid drainage tract	16	15	$2914.50	$1130.89
66180 Creation of shunt to improve eye fluid flow using tissue graft	15	15	$3375.00	$1148.09

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	571	337	$291.49	$135.51
92083 Exam of visual field with extended testing	491	354	$258.42	$67.03
92133 Imaging of optic nerve	258	245	$168.42	$37.02
92014 Established patient complete exam of visual system	122	96	$308.70	$134.48
92020 Examination of cornea and iris using lens device and slit lamp	53	53	$130.00	$29.56
92136 Measurement of corneal curvature and depth of eye	49	49	$281.92	$48.03
76514 Ultrasound scan of cornea to determine thickness	48	48	$36.17	$11.50
66984 Removal of cataract with insertion of lens	43	30	$2112.47	$511.51
66991 Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye	37	26	$1983.08	$725.96
92136 Measurement of corneal curvature and depth of eye	33	33	$280.67	$31.78
99213 Established patient office or other outpatient visit, typically 15 minutes	19	18	$204.37	$96.92
66170 Creation of eye fluid drainage tract	17	15	$2550.82	$1166.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$477.53	$178.54
92004 New patient complete exam of visual system	16	16	$418.13	$160.22
66180 Creation of shunt to improve eye fluid flow using tissue graft	13	13	$3375.00	$1213.01

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	467	282	$230.00	$137.57
92083 Exam of visual field with extended testing	388	297	$229.82	$68.03
92133 Imaging of optic nerve	237	225	$152.01	$38.05
92014 Established patient complete exam of visual system	119	101	$271.00	$134.94
92020 Examination of cornea and iris using lens device and slit lamp	72	72	$130.00	$29.99
76514 Ultrasound scan of cornea to determine thickness	65	65	$30.00	$11.89
92136 Measurement of corneal curvature and depth of eye	48	48	$250.00	$50.47
66984 Removal of cataract with insertion of lens	31	23	$1890.52	$448.02
66991 Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye	30	21	$1830.00	$709.85
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$415.89	$180.96
92136 Measurement of corneal curvature and depth of eye	23	23	$250.00	$32.05
66180 Creation of shunt to improve eye fluid flow using tissue graft	16	16	$3375.00	$1221.21
66170 Creation of eye fluid drainage tract	15	12	$2200.00	$1145.65
92134 Imaging of retina	13	11	$150.00	$43.83
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$180.83	$92.86
92004 New patient complete exam of visual system	11	11	$410.00	$162.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92083 Exam of visual field with extended testing	448	307	$224.00	$69.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	419	244	$230.00	$141.52
92133 Imaging of optic nerve	251	229	$150.00	$37.73
92014 Established patient complete exam of visual system	125	101	$271.00	$136.65
92020 Examination of cornea and iris using lens device and slit lamp	88	87	$130.00	$29.85
76514 Ultrasound scan of cornea to determine thickness	84	84	$30.00	$11.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	44	44	$407.00	$180.07
66984 Removal of cataract with insertion of lens	38	30	$1800.00	$547.54
92136 Measurement of corneal curvature and depth of eye	31	30	$250.00	$58.64
0191T Internal insertion of eye fluid drainage device	21	15	$2250.00	$379.10
92136 Measurement of corneal curvature and depth of eye	16	16	$250.00	$32.85
66982 Complex removal of cataract with insertion of prosthetic lens	14	13	$2500.00	$814.18
66180 Creation of shunt to improve eye fluid flow using tissue graft	13	13	$3375.00	$1245.74
66170 Creation of eye fluid drainage tract	12	12	$2053.33	$1113.21
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$175.00	$100.24
92004 New patient complete exam of visual system	12	12	$410.00	$153.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92083 Exam of visual field with extended testing	296	193	$173.65	$68.02
92014 Established patient complete exam of visual system	293	188	$260.79	$135.55
92133 Imaging of optic nerve	137	129	$150.00	$36.97
99213 Established patient office or other outpatient visit, typically 15 minutes	58	48	$152.59	$77.51
76514 Ultrasound scan of cornea to determine thickness	48	48	$30.00	$12.27
92020 Examination of cornea and iris using lens device and slit lamp	47	47	$130.00	$29.60
92004 New patient complete exam of visual system	26	26	$323.46	$164.38
66984 Removal of cataract with insertion of lens	22	17	$1800.00	$533.61
92012 Established patient problem focused exam of visual system	21	15	$184.00	$55.91
92014 Established patient complete exam of visual system	21	21	$260.00	$85.15
92012 Established patient problem focused exam of visual system	19	18	$184.00	$93.78
92136 Measurement of corneal curvature and depth of eye	16	16	$250.00	$66.28
92004 New patient complete exam of visual system	15	15	$326.00	$105.71
66710 Destruction of lens tissue using laser	13	12	$1000.00	$388.11
66180 Creation of shunt to improve eye fluid flow using tissue graft	13	12	$3375.00	$1221.94

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	204	146	$260.00	$133.67
92083 Exam of visual field with extended testing	200	148	$170.00	$67.94
92133 Imaging of optic nerve	104	100	$150.00	$37.47
92012 Established patient problem focused exam of visual system	73	60	$184.00	$93.88
99213 Established patient office or other outpatient visit, typically 15 minutes	46	39	$150.00	$79.21
92020 Examination of cornea and iris using lens device and slit lamp	36	36	$130.00	$29.41
76514 Ultrasound scan of cornea to determine thickness	34	34	$30.00	$12.80
92004 New patient complete exam of visual system	33	33	$320.00	$104.96
92012 Established patient problem focused exam of visual system	29	24	$184.00	$55.81
66180 Creation of shunt to improve eye fluid flow using tissue graft	23	23	$1540.76	$509.44
92014 Established patient complete exam of visual system	19	19	$263.16	$84.17
66170 Creation of eye fluid drainage tract	19	19	$810.53	$397.47
66710 Destruction of lens tissue using laser	15	13	$1000.00	$392.28
92004 New patient complete exam of visual system	14	14	$320.00	$161.81
92136 Measurement of corneal curvature and depth of eye	13	13	$250.00	$75.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92083 Exam of visual field with extended testing	40	34	$170.00	$65.86
92133 Imaging of optic nerve	31	30	$150.00	$36.73
92012 Established patient problem focused exam of visual system	29	25	$184.00	$94.13
92014 Established patient complete exam of visual system	26	26	$260.00	$131.58
66170 Creation of eye fluid drainage tract	18	17	$453.06	$188.96
92020 Examination of cornea and iris using lens device and slit lamp	18	18	$130.00	$27.01
76514 Ultrasound scan of cornea to determine thickness	18	18	$30.00	$15.53
66180 Creation of shunt to improve eye fluid flow using tissue graft	13	13	$1090.38	$354.76

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License MD D84976

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

Commercial Insurance / Payer ID License

D84976 (MD)

Hospital & Practice Group Affiliations

Johns Hopkins University

5759 Cedar Ln, Columbia, MD 210442912

Phone: 4437183738

Johns Hopkins University

6201 Greenleigh Ave, Middle River, MD 212202004

Johns Hopkins University

5755 Cedar Ln, Columbia, MD 210442912

Phone: 4107407544

Johns Hopkins University

600 N Wolfe St, Baltimore, MD 212870005

Phone: 4105024340

Johns Hopkins University

10751 Falls Rd, Lutherville, MD 210934517

Phone: 4109553663

Johns Hopkins University

6201 Greenleigh Ave, Middle River, MD 212202004

Johns Hopkins University

1800 Orleans St, Baltimore, MD 212870010

Phone: 4109555000

Johns Hopkins University

600 N Wolf St, Baltimore, MD 212870005

Phone: 4109555000

Johns Hopkins University

601 N Caroline St, Baltimore, MD 212870006

Phone: 4109555080

Practice Associates & Co-Workers

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

7 Associated Practitioners

Dr. Anupam Garg , PhD

Ophthalmology

NPI 1053904631

Doctor of Philosophy (Ph.D.)

Dr. Shahriyar Majidi , MD

Ophthalmology

NPI 1083296982

Doctor of Medicine (M.D.)

Dr. Gayle Leposa , OD

Optometrist

NPI 1457649261

Doctor of Optometry

Dr. Mustafa Iftikhar , MD

Ophthalmology

NPI 1487218152

Doctor of Medicine (M.D.)

Dr. Ishrat Ahmed , MD

Ophthalmology

NPI 1659828432

Doctor of Medicine (M.D.)

Dr. Mira Sachdeva , MD, PhD

Ophthalmology

NPI 1740501980

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

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

15 Historical Events

📍

Updated Business Mailing Address January 18, 2019

Registered at 9910 FRANKLIN SQUARE DR # 2110, BALTIMORE, MD 212364902 (Tel: 4109336421)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 18, 2019

Ophthalmology (License #D84976 in MD)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 03, 2018

Student in an Organized Health Care Education/Training Program

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 03, 2018

Ophthalmology (License #D0084976 in MD)

✅

NPI Profile Active November 21, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location November 21, 2017

Registered at WILMER EYE INSTITUTE, JOHNS HOPKINS HOSPITAL, 600 NORTH WOLFE STREET, WILMER B-29, BALTIMORE, MD 212870001 (Tel: 4109555650)

📍

Updated Business Mailing Address November 21, 2017

Registered at WILMER EYE INSTITUTE, JOHNS HOPKINS HOSPITAL, 600 NORTH WOLFE STREET, WILMER B-29, BALTIMORE, MD 212870001 (Tel: 4109555650)

👤

Provider Name / Credentials Updated November 21, 2017

Recorded as THOMAS JOHNSON, MD, PHD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 21, 2017

Internal Medicine (License #V0893 in MD)

✅

NPI Profile Active July 23, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location July 23, 2014

Registered at 600 N WOLFE ST, THE JOHNS HOPKINS HOSPITAL, BALTIMORE, MD 212870005 (Tel: 4109555000)

📍

Updated Business Mailing Address July 23, 2014

Registered at TOWER 110 DOCTORS LOUNGE, JOHNS HOPKINS HOSPITAL, 600 NORTH WOLFE STREET, BALTIMORE, MD 212870001 (Tel: 4109553080)

👤

Provider Name / Credentials Updated July 23, 2014

Recorded as THOMAS JOHNSON, MD, PHD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 23, 2014

Internal Medicine (License #V0893 in MD)

🟢

Initial NPI Registration & Enumeration May 01, 2013

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: 1588009765

Entity Type:

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

Enumeration Date: May 01, 2013

Last Update: January 18, 2019

Sole Proprietor: No

Update or Correct Profile

Mailing Address

9910 Franklin Square Dr # 2110

Baltimore, MD 212364902

Phone: 4109336421

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.