DR. DAVID BRUCE MARK M.D.
NPI 1912900218
Ophthalmology in Sunnyvale, CA

Active since May 31, 2005PECOS EnrolledAccepts Medicare Assignment
1010 W FREMONT AVE, STE 200, SUNNYVALE, CA 94087(408) 739-6200(408) 739-2439 Get Directions Write a Review

NPPES record last updated: January 31, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. David Bruce Mark M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DAVID BRUCE MARK M.D. (NPI 1912900218) is an individual ophthalmology provider in Sunnyvale, California, licensed in California (G35305) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (1976).

NPPES Registry Identity

NPI1912900218
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. DAVID BRUCE MARKCredential: M.D.
Location Address1010 W FREMONT AVE, STE 200Sunnyvale, CA 94087-3019
Mailing Address1010 W Fremont Ave, Ste 200Sunnyvale, CA 94087-3019 · (408) 739-6200 · Fax (408) 739-2439
Fax(408) 739-2439
Sole ProprietorNo
Medical School CMSStanford University School Of MedicineGraduated 1976
Enumeration DateMay 31, 2005
Last NPPES UpdateJanuary 31, 2013
NPI 1912900218 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in CA · G35305
Definition
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.
1010 W FREMONT AVE, Sunnyvale, CA 94087

Other Identifiers 3

Medicare UPINA46302CA
Medicaid9533828CA
Medicare PIN00G35305CA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. David Bruce Mark M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID840282539
PECOS Enrollment IDI20040610001314
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
281 services281 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
124 services87 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
66 services50 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
58 services57 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
40 services38 patients
New patient complete exam of visual system 92004
A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.
22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94087 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
100%29 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Ophthalmology
1010 W FREMONT AVE, STE 200
SUNNYVALE, CA 94087
Optometrist
1010 W FREMONT AVE
SUNNYVALE, CA 94087
Optometrist
1010 W FREMONT AVE, SUITE #200
SUNNYVALE, CA 94087
Optometrist
1010 W FREMONT AVE
SUNNYVALE, CA 94087
Optometrist
1010 W FREMONT AVE
SUNNYVALE, CA 94087
Optometrist
1010 W FREMONT AVE
SUNNYVALE, CA 94087

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Mark's NPI number?

The NPI number for David Mark is 1912900218. It was assigned to this individual provider in the NPPES registry on May 31, 2005.

Where is David Mark located?

David Mark practices at 1010 W Fremont Ave Ste 200, Sunnyvale, CA 94087. The listed phone number is (408) 739-6200.

What is David Mark's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is David Mark enrolled in Medicare?

Yes. David Mark is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does David Mark accept?

Health plans from Providence Health Plan list David Mark as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for David Mark was last updated on January 31, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.