Active NPI 1912900218 Individual Practitioner Male Practitioner

Dr. David Bruce Mark , MD

Ophthalmology • Sunnyvale, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. David Mark, MD is a certified Ophthalmology practicing in Sunnyvale, CA. With approximately 50 years of clinical experience since graduating from Stanford University School Of Medicine in 1976, Dr. Mark delivers high-quality medical care to the local community at 1010 W FREMONT AVE.

Dr. Mark is affiliated with Mendelson And Mark Optometric Corporation and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient complete exam of visual system, established patient problem focused exam of visual system, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1010 W Fremont Ave
Ste 200

Sunnyvale, CA 940873019

Telephone 4087396200

Fax 4087392439

Associated Practice Facility / Clinic

🏢 Silicon Valley Eye Physicians Facility NPI 1154324572

Medicare Profile & Education

Medical School

Stanford University School Of Medicine

Graduation Year

1976

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Ophthalmology in Sunnyvale, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

50 Yrs +20.4 yrs vs City Avg

City Avg: 29.6 Yrs

State Avg: 29.5 Yrs

Regional Practice Density

13 Specialists

Practicing in Sunnyvale, CA (3116 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

44.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mark (50 Years) 50 Yrs

Sunnyvale Specialty Average (29.6 Years) 29.6 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
92014 Established patient complete exam of visual system	281	281	$250.22	$160.81
92012 Established patient problem focused exam of visual system	124	87	$183.08	$114.77
99213 Established patient office or other outpatient visit, typically 15 minutes	66	50	$175.12	$111.14
92133 Imaging of optic nerve	58	57	$87.83	$44.75
92083 Exam of visual field with extended testing	40	38	$178.00	$83.41
92004 New patient complete exam of visual system	22	22	$295.00	$188.73
92134 Imaging of retina	19	18	$89.00	$51.15
66821 Removal of recurring cataract in lens capsule using a laser	12	12	$1023.42	$505.76

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	294	292	$236.77	$160.67
92012 Established patient problem focused exam of visual system	227	150	$161.84	$114.68
92133 Imaging of optic nerve	81	75	$84.41	$44.81
92083 Exam of visual field with extended testing	58	56	$167.90	$81.85
92134 Imaging of retina	27	26	$84.56	$50.52
66984 Removal of cataract with insertion of lens	21	13	$1399.62	$116.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	18	$218.00	$153.66
92004 New patient complete exam of visual system	17	17	$278.71	$188.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	333	332	$223.68	$159.52
92012 Established patient problem focused exam of visual system	276	196	$161.13	$113.81
92133 Imaging of optic nerve	92	90	$81.00	$44.84
92083 Exam of visual field with extended testing	77	76	$164.16	$81.65
66984 Removal of cataract with insertion of lens	45	33	$1336.00	$640.49
92025 Ct scan of cornea	38	37	$65.05	$45.68
76519 Ultrasound of eye for determination of lens power	32	28	$153.00	$73.36
92134 Imaging of retina	32	32	$81.00	$50.41
66821 Removal of recurring cataract in lens capsule using a laser	18	18	$727.56	$430.82
92002 New patient problem focused exam of visual system	13	13	$161.00	$109.61
76514 Ultrasound scan of cornea to determine thickness	13	13	$24.00	$13.39
92004 New patient complete exam of visual system	13	13	$260.85	$188.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	362	360	$200.14	$163.12
92012 Established patient problem focused exam of visual system	242	161	$161.31	$116.56
92133 Imaging of optic nerve	100	98	$80.12	$46.61
92083 Exam of visual field with extended testing	68	68	$181.75	$83.87
76519 Ultrasound of eye for determination of lens power	33	28	$153.00	$78.33
92134 Imaging of retina	31	29	$80.48	$52.46
66984 Removal of cataract with insertion of lens	30	21	$1336.00	$673.84
66821 Removal of recurring cataract in lens capsule using a laser	17	17	$844.24	$479.14
92250 Photography of the retina	17	16	$125.88	$48.12
92002 New patient problem focused exam of visual system	17	17	$160.29	$112.01
92004 New patient complete exam of visual system	14	14	$239.14	$192.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	297	295	$213.76	$160.66
92012 Established patient problem focused exam of visual system	163	106	$153.76	$113.69
92133 Imaging of optic nerve	117	112	$91.44	$46.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	64	58	$194.69	$132.70
92083 Exam of visual field with extended testing	51	49	$141.00	$82.77
92134 Imaging of retina	40	38	$97.70	$51.67
76519 Ultrasound of eye for determination of lens power	32	28	$144.06	$73.32
92250 Photography of the retina	32	32	$142.59	$56.12
66984 Removal of cataract with insertion of lens	29	22	$1095.17	$675.05
76514 Ultrasound scan of cornea to determine thickness	24	23	$36.00	$14.42
92004 New patient complete exam of visual system	14	14	$251.00	$189.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	403	400	$252.33	$157.71
92012 Established patient problem focused exam of visual system	225	142	$203.01	$110.72
92133 Imaging of optic nerve	161	158	$176.36	$45.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	127	113	$216.93	$130.34
92083 Exam of visual field with extended testing	89	85	$214.03	$82.46
92134 Imaging of retina	59	56	$179.46	$51.20
92250 Photography of the retina	29	29	$194.90	$62.80
92004 New patient complete exam of visual system	28	28	$281.14	$187.05
76519 Ultrasound of eye for determination of lens power	28	24	$205.00	$73.21
66984 Removal of cataract with insertion of lens	24	20	$1638.00	$778.92
76514 Ultrasound scan of cornea to determine thickness	14	14	$70.00	$15.01
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$326.83	$194.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	427	425	$242.09	$155.86
92012 Established patient problem focused exam of visual system	258	165	$194.22	$108.98
92133 Imaging of optic nerve	170	164	$165.43	$45.70
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	127	108	$207.46	$128.29
92134 Imaging of retina	88	77	$163.82	$51.49
92083 Exam of visual field with extended testing	77	74	$205.55	$82.06
66984 Removal of cataract with insertion of lens	55	37	$1638.00	$772.08
76519 Ultrasound of eye for determination of lens power	53	44	$205.00	$80.09
92250 Photography of the retina	34	34	$186.18	$70.55
66821 Removal of recurring cataract in lens capsule using a laser	16	15	$1205.88	$456.07
92004 New patient complete exam of visual system	16	16	$268.25	$186.03
99213 Established patient office or other outpatient visit, typically 15 minutes	14	13	$141.00	$87.34
65855 Laser repair to improve eye fluid flow	13	13	$1515.08	$426.11
76514 Ultrasound scan of cornea to determine thickness	11	11	$67.82	$18.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
92014 Established patient complete exam of visual system	450	448	$230.96	$151.65
92012 Established patient problem focused exam of visual system	251	156	$184.94	$105.25
92133 Imaging of optic nerve	217	205	$156.65	$45.03
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	160	137	$195.55	$127.42
92083 Exam of visual field with extended testing	95	91	$195.53	$81.19
92134 Imaging of retina	82	77	$156.61	$50.34
76519 Ultrasound of eye for determination of lens power	60	48	$192.33	$87.15
66984 Removal of cataract with insertion of lens	55	40	$1581.27	$764.33
99213 Established patient office or other outpatient visit, typically 15 minutes	46	42	$128.30	$87.02
92250 Photography of the retina	41	41	$176.85	$84.44
66821 Removal of recurring cataract in lens capsule using a laser	14	14	$1085.79	$434.22
92004 New patient complete exam of visual system	13	13	$254.85	$181.68
92285 Photography of content of eyes	13	12	$161.54	$24.84
67820 Removal of eyelashes using forceps	13	11	$148.85	$62.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$304.75	$191.03

Medical Specialties & State Licenses

Ophthalmology Primary Specialty

NUCC Taxonomy Code: 207W00000X

State License CA G35305

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

9533828 (CA)

Hospital & Practice Group Affiliations

Mendelson And Mark Optometric Corporation

1010 W Fremont Ave, Sunnyvale, CA 940873019

Phone: 4087396200120

Practice Associates & Co-Workers

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

5 Associated Practitioners

Dr. Jesley Johnson , OD

Optometrist

NPI 1265792253

Doctor of Optometry

Dr. Moshe Mendelson , OD

Optometrist

NPI 1366443277

Doctor of Optometry

Dr. Kevin Wu , OD

Optometrist

NPI 1396221172

Doctor of Optometry

Dr. Vyoma Shinde , OD

Optometrist

NPI 1659064335

Doctor of Optometry

Dr. Sean Kao , OD

Optometrist

NPI 1760220305

Doctor of Optometry

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active January 31, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location January 31, 2013

Registered at 1010 W FREMONT AVE, STE 200, SUNNYVALE, CA 940873019 (Tel: 4087396200)

📍

Updated Business Mailing Address January 31, 2013

Registered at 1010 W FREMONT AVE, STE 200, SUNNYVALE, CA 940873019 (Tel: 4087396200)

👤

Provider Name / Credentials Updated January 31, 2013

Recorded as DAVID MARK, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 31, 2013

Ophthalmology (License #G35305 in CA)

🟢

Initial NPI Registration & Enumeration May 31, 2005

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: 1912900218

Entity Type:

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

Enumeration Date: May 31, 2005

Last Update: January 31, 2013

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1010 W Fremont Ave, Ste 200

Sunnyvale, CA 940873019

Phone: 4087396200

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.