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DR. CONSTANCE XUANYI ZOU MD
NPI 1518525450
Psychiatry & Neurology - Psychiatry in Columbia, MD

Active since June 05, 2019PECOS Enrolled
5662 WATERLOO RD, COLUMBIA, MD 21045(202) 792-8793(561) 421-8158 Get Directions Write a Review

NPPES record last updated: December 9, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 9, 2025, Nov 8, 2025, Sep 12, 2024 and 4 more (7 updates tracked since 2019).

About Dr. Constance Xuanyi Zou Md NPPES

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

DR. CONSTANCE XUANYI ZOU MD (NPI 1518525450) is an individual psychiatry provider in Columbia, Maryland, licensed in Maryland (D0093743) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1518525450
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. CONSTANCE XUANYI ZOUCredential: MD
Location Address5662 WATERLOO RDColumbia, MD 21045-2627
Mailing Address5662 Waterloo RdColumbia, MD 21045-2627 · (301) 288-3331 · Fax (561) 421-8158
Phone(202) 792-8793
Fax(561) 421-8158
Sole ProprietorYes
Enumeration DateJune 5, 2019
Last NPPES UpdateDecember 9, 20257 updates tracked since enumeration
NPPES CertifiedDecember 9, 2025
✔ NPI 1518525450 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in MD · D0093743✔ Licensed in DC · MD210002788
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
5662 WATERLOO RD, Columbia, MD 21045
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Constance Xuanyi Zou Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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
$183.44 typical visit price
range $60.73 – $183.44
Typical copayment $45.86 (range $15.18 – $45.86)
Most-billed visit code 99205
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.

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 Constance Zou's NPI number?

The NPI number for Constance Zou is 1518525450. It was assigned to this individual provider in the NPPES registry on June 5, 2019.

Where is Constance Zou located?

Constance Zou practices at 5662 Waterloo Rd, Columbia, MD 21045. The listed phone number is (202) 792-8793.

What is Constance Zou's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Constance Zou enrolled in Medicare?

Yes. Constance Zou is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Constance Zou was last updated on December 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.