Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DIAN YU M.D.
NPI 1639527682
Ophthalmology in Bethesda, MD

Q: What is Dian Yu's NPI number?

The NPI number for Dian Yu is 1639527682. It was assigned to this individual provider in the NPPES registry on June 1, 2016.

Q: What is Dian Yu's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Dian Yu was last updated on October 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.

Active since June 01, 2016PECOS Enrolled

92.61/100

CMS Quality Rating

8120 WOODMONT AVE STE 900, BETHESDA, MD 20814(301) 656-2027(301) 656-9690 Get Directions Write a Review

NPPES record last updated: October 26, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 26, 2026, Oct 31, 2023, Nov 29, 2022 and 4 more (7 updates tracked since 2021).

On this page

About Dian Yu M.d. NPPES

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

DIAN YU M.D. (NPI 1639527682) is an individual ophthalmology provider in Bethesda, Maryland, licensed in Virginia (0101271864) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1639527682

Entity TypeIndividualFemale

Primary Taxonomy207W00000X

Provider Legal NameDIAN YUCredential: M.D.

Location Address8120 WOODMONT AVE STE 900Bethesda, MD 20814-2768

Mailing Address420 Mountain Ave Fl 4New Providence, NJ 07974-2736 · (908) 458-8333 · Fax (908) 530-6522

Phone(301) 656-2027

Fax(301) 656-9690

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateJune 1, 2016

Last NPPES UpdateOctober 26, 20267 updates tracked since enumeration

NPPES CertifiedOctober 26, 2026

✔ NPI 1639527682 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

Licenses✔ Licensed in VA · 0101271864✔ Licensed in MD · D89341

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.

8120 WOODMONT AVE STE 900, Bethesda, MD 20814

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dian Yu 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 ID2163848755

PECOS Enrollment IDI20210810000356

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.

Medicare Billing Reassignments

Medicare enrollment records show Dian Yu reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Retina Group Of Washington, PLLC

12 mi

Ophthalmology

7501 GREENWAY CENTER DR STE 700
Greenbelt, MD 20770

Reassigned Medicare billing, District of Columbia and Maryland enrollments
69 clinicians in this Medicare group

NPI 1225001654 (301) 441-4577

Dulles Eye Associates, P.C.

12 mi

Ophthalmology

3301 WOODBURN RD STE 204
Annandale, VA 22003

Reassigned Medicare billing, District of Columbia and Virginia enrollments
Also billed through NPI 1144289661 (Virginia)
24 clinicians in this Medicare group

NPI 1528241965 (703) 208-3299

Loudoun Medical Group, PC

16 mi

Urgent Care

46440 BENEDICT DRIVE, SUITE 107
Sterling, VA 20164

Reassigned Medicare billing, Virginia enrollment
291 clinicians in this Medicare group

NPI 1366566788 (703) 450-1125

Northern Virginia Vision Center, Inc.

17 mi

Optometrist

21475 RIDGETOP CIRCLE, SUITE 300
Sterling, VA 20166

Reassigned Medicare billing, Virginia enrollment
12 clinicians in this Medicare group

NPI 1710069950 (703) 430-4400

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

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.

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

308 services256 patients

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.

290 services235 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.

264 services161 patients

Microfluid analysis of tears 83861

Microfluid analysis of tears involves collecting a small tear sample to examine its composition. This procedure can help detect health issues like dry eye disease, inflammation, or other eye conditions. It's a non-invasive, painless method for monitoring eye health.

125 services52 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.

101 services101 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).

76 services67 patients

Measurement of corneal curvature and depth of eye 92136

This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.

69 services52 patients

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

56 services39 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.

55 services48 patients

Ct scan of cornea 92025

A CT scan of the cornea is a non-invasive imaging test that uses X-rays to capture detailed pictures of your eye's cornea. It helps in diagnosing diseases or damage, planning for surgery, or evaluating the results of a treatment. It's a safe and painless procedure.

35 services29 patients

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

23 services20 patients

New patient problem focused exam of visual system 92002

A new patient problem-focused exam of the visual system is a basic evaluation of your eyes and vision. It includes checking your eye movements, visual acuity, and general eye health. It helps detect any potential issues early for timely treatment.

19 services19 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20814 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$80.66 typical visit price

range $21.40 – $158.88

Typical copayment $20.16 (range $5.35 – $39.72)

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.

92.61/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

85.22

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES

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

DR. JACQUELYN M WEBER M.D.

Ophthalmology (Cornea and External Diseases Specialist)

8120 WOODMONT AVE STE 900
BETHESDA, MD 20814

Montgomery County (301) 656-2027

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 Dian Yu's NPI number?

The NPI number for Dian Yu is 1639527682. It was assigned to this individual provider in the NPPES registry on June 1, 2016.

Where is Dian Yu located?

Dian Yu practices at 8120 Woodmont Ave Ste 900, Bethesda, MD 20814. The listed phone number is (301) 656-2027.

What is Dian Yu's specialty?

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

Is Dian Yu enrolled in Medicare?

Yes. Dian Yu 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.

Which organizations bill Medicare for Dian Yu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dian Yu reassigns Medicare benefits to 4 organizations: The Retina Group Of Washington, PLLC (Greenbelt, MD), Dulles Eye Associates, P.C. (Annandale, VA), Loudoun Medical Group, PC (Sterling, VA) and Northern Virginia Vision Center, Inc. (Sterling, VA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dian Yu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dian Yu accept?

Health plans from Oscar Health list Dian Yu 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 Dian Yu was last updated on October 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.