ZHIYING DIAO PA-C
NPI 1134844210
Physician Assistant in Rockville, MD

Active since October 11, 2022PECOS EnrolledAccepts Medicare Assignment
9901 MEDICAL CENTER DR, ROCKVILLE, MD 20850(240) 826-6000 Get Directions Write a Review

NPPES record last updated: February 7, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 7, 2023, Oct 11, 2022 (2 updates tracked since 2022).

About Zhiying Diao Pa-c NPPES

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

ZHIYING DIAO PA-C (NPI 1134844210) is an individual physician assistant in Rockville, Maryland, licensed in Maryland (C0008671) and active in the NPI registry since October 2022. She is enrolled in Medicare PECOS, is affiliated with Winchester Medical Center, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1134844210
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameZHIYING DIAOCredential: PA-C
Location Address9901 MEDICAL CENTER DRRockville, MD 20850-3357
Mailing Address9901 Medical Center DrRockville, MD 20850-3357 · (240) 826-6000
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateOctober 11, 2022
Last NPPES UpdateFebruary 7, 20232 updates tracked since enumeration
NPPES CertifiedFebruary 7, 2023
NPI 1134844210 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in MD · C0008671
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
9901 MEDICAL CENTER DR, Rockville, MD 20850

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

Zhiying Diao Pa-c 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 ID7517339526
PECOS Enrollment IDI20250523002230
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.

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Winchester Medical Center

Acute Care Hospitals · Winchester, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490005
Location1840 Amherst StWinchester, VA 22601 · Winchester City County
Emergency services Birthing friendly

Warren Memorial Hospital

Acute Care Hospitals · Front Royal, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490033
Location351 Valley Health WayFront Royal, VA 22630 · Warren County
Emergency services

Shenandoah Memorial Hospital

Critical Access Hospitals · Woodstock, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number491305
Location759 South Main StreetWoodstock, VA 22664 · Shenandoah County
Emergency services

Page Memorial Hospital, Inc

Critical Access Hospitals · Luray, VA
OwnershipVoluntary non-profit - Private
CMS Certification Number491307
Location200 Memorial DriveLuray, VA 22835 · Page County
Emergency services

Hampshire Memorial Hospital

Critical Access Hospitals · Romney, WV
OwnershipVoluntary non-profit - Private
CMS Certification Number511311
Location363 Sunrise BoulevardRomney, WV 26757 · Hampshire County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20850 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 20

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

Social Worker
9901 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Pharmacist (Pharmacotherapy)
9901 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Internal Medicine
9901 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Pediatrics (Neonatal-Perinatal Medicine)
9901 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Physician Assistant (Surgical)
9901 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Counselor (Professional)
9901 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Pediatrics
9901 MEDICAL CENTER DR, PEDIATRIC FLOOR
ROCKVILLE, MD 20850
Physician Assistant (Medical)
9901 MEDICAL CENTER DR
ROCKVILLE, MD 20850

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 Zhiying Diao's NPI number?

The NPI number for Zhiying Diao is 1134844210. It was assigned to this individual provider in the NPPES registry on October 11, 2022.

Where is Zhiying Diao located?

Zhiying Diao practices at 9901 Medical Center Dr, Rockville, MD 20850. The listed phone number is (240) 826-6000.

What is Zhiying Diao's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Zhiying Diao enrolled in Medicare?

Yes. Zhiying Diao 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 Zhiying Diao accept?

Health plans from CareSource list Zhiying Diao 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.

Is Zhiying Diao affiliated with any hospitals?

According to CMS data, Zhiying Diao is affiliated with Winchester Medical Center, Warren Memorial Hospital, Shenandoah Memorial Hospital, Page Memorial Hospital, Inc and Hampshire Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Zhiying Diao was last updated on February 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.