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YIYUN ZHOU
NPI 1326501537
Ophthalmology in Columbia, MD

Active since April 13, 2019PECOS EnrolledAccepts Medicare Assignment
8860 COLUMBIA 100 PKWY STE 101, COLUMBIA, MD 21045(410) 997-9900 Get Directions Write a Review

NPPES record last updated: September 5, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 5, 2024, Apr 13, 2019 (2 updates tracked since 2019).

About Yiyun Zhou NPPES

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

YIYUN ZHOU (NPI 1326501537) is an individual ophthalmology provider in Columbia, Maryland, licensed in Maryland (D0096660) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1326501537
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameYIYUN ZHOU
Location Address8860 COLUMBIA 100 PKWY STE 101Columbia, MD 21045-2286
Mailing Address8860 Columbia 100 Pkwy Ste 101Columbia, MD 21045-2286 · (410) 997-9900
Phone(410) 997-9900
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 13, 2019
Last NPPES UpdateSeptember 5, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 5, 2024
✔ NPI 1326501537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in MD · D0096660
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.
8860 COLUMBIA 100 PKWY STE 101, Columbia, MD 21045
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.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

Yiyun Zhou 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 ID1951638303
PECOS Enrollment IDI20231103001129
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

2

Medicare enrollment records show Yiyun Zhou reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Eye Center PA
Same address
Ophthalmology
8860 COLUMBIA 100 PARKWAY, SUITE 101
Columbia, MD 21045
  • Reassigned Medicare billing, Maryland and District of Columbia enrollments
  • Also billed through NPI 1417080854 (District of Columbia)
  • 8 clinicians in this Medicare group
NPI 1679633598 (410) 997-9900
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
7.8 mi
Ambulatory Surgical
1701 TWIN SPRINGS RD
Halethorpe, MD 21227
NPI 1942546486 (301) 816-2424

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 17

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 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.
352 services245 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.
303 services279 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
286 services225 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.
134 services120 patients
Ultrasound scan to determine eye length and lens power 76519
An ultrasound scan for the eye is a safe, non-invasive procedure. It uses sound waves to create images of your eye's structure. This helps determine the length of your eye and the power of your lens, which is crucial for diagnosing eye conditions and planning surgeries.
100 services77 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.
93 services65 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21045 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
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.

Other Providers at the Same Location NPPES

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

KATZEN MEDICAL ASSOCIATES, PC
Ophthalmology
8860 COLUMBIA 100 PKWY STE 101
COLUMBIA, MD 21045
Howard County (410) 821-9490

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 Yiyun Zhou's NPI number?

The NPI number for Yiyun Zhou is 1326501537. It was assigned to this individual provider in the NPPES registry on April 13, 2019.

Where is Yiyun Zhou located?

Yiyun Zhou practices at 8860 Columbia 100 Pkwy Ste 101, Columbia, MD 21045. The listed phone number is (410) 997-9900.

What is Yiyun Zhou's specialty?

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

Is Yiyun Zhou enrolled in Medicare?

Yes. Yiyun Zhou 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 Yiyun Zhou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yiyun Zhou reassigns Medicare benefits to 2 organizations: Medical Eye Center PA (Columbia, MD) and Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Halethorpe, MD). 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 Yiyun Zhou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Yiyun Zhou accept?

Health plans from Providence Health Plan list Yiyun Zhou 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 Yiyun Zhou was last updated on September 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.