CRYSTAL WILLIAMS
NPI 1477026045
Nurse Practitioner - Psychiatric/Mental Health in Columbia, MD

Q: What is Crystal Williams's NPI number?

The NPI number for Crystal Williams is 1477026045. It was assigned to this individual provider in the NPPES registry on January 7, 2019.

Q: What is Crystal Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for Crystal Williams was last updated on June 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since January 07, 2019PECOS Enrolled

8890 MCGAW RD STE 350-360, COLUMBIA, MD 21045(301) 317-6575 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 2, 2026, Oct 18, 2019, Jan 7, 2019 (3 updates tracked since 2019).

On this page

About Crystal Williams NPPES

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

CRYSTAL WILLIAMS (NPI 1477026045) is an individual psychiatric/mental health provider in Columbia, Maryland, licensed in Maryland (R234872) and active in the NPI registry since January 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Baltimore.

NPPES Registry Identity

NPI1477026045

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameCRYSTAL WILLIAMS

Location Address8890 MCGAW RD STE 350-360Columbia, MD 21045-4743

Mailing Address22 S Greene StBaltimore, MD 21201-1544

Phone(301) 317-6575

Sole ProprietorYes

Enumeration DateJanuary 7, 2019

Last NPPES UpdateJune 2, 20263 updates tracked since enumeration

NPPES CertifiedJune 2, 2026

✔ NPI 1477026045 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in MD · R234872

8890 MCGAW RD STE 350-360, Columbia, MD 21045

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Secondary Practice Location 1

Location 122 S Greene StBaltimore, MD 21201-1544 · Phone (410) 328-2592

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Kansas, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Crystal Williams 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.

Areas of Expertise CMS Part B claims 4

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 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.

63 services63 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

40 services40 patients

Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811

This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.

24 services24 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

14 services14 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

$94.08 typical visit price

range $60.73 – $183.44

Typical copayment $23.52 (range $15.18 – $45.86)

Most-billed visit code 99203

Established Patient

$106.59 typical visit price

range $19.60 – $149.17

Typical copayment $26.64 (range $4.90 – $37.29)

Most-billed visit code 99214

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 7

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

ZENATSEHAY BALCHA GEBRETSADIK

Nurse Practitioner (Psychiatric/Mental Health)