MRS. LAUREN ANN WILLIAMS CRNP
NPI 1669914818
Nurse Practitioner - Family in Pittsburgh, PA

Q: What is Lauren Williams's NPI number?

The NPI number for Lauren Williams is 1669914818. It was assigned to this individual provider in the NPPES registry on November 4, 2016. The provider is also known as Lauren Ann Ball Crnp.

Q: What is Lauren Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Lauren Williams was last updated on July 2, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since November 04, 2016PECOS Enrolled

815 FREEPORT RD, PITTSBURGH, PA 15215(412) 784-4000 Get Directions Write a Review

NPPES record last updated: July 2, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 2, 2018, Nov 4, 2016 (2 updates tracked since 2016).

On this page

About Mrs. Lauren Ann Williams Crnp NPPES

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

MRS. LAUREN ANN WILLIAMS CRNP (NPI 1669914818) is an individual family provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (SP016773) and active in the NPI registry since November 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669914818

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMRS. LAUREN ANN WILLIAMSCredential: CRNP

Location Address815 FREEPORT RDPittsburgh, PA 15215

Mailing Address815 Freeport RdPittsburgh, PA 15215-3301 · (412) 784-4000

Phone(412) 784-4000

Sole ProprietorNo

Enumeration DateNovember 4, 2016

Last NPPES UpdateJuly 2, 20182 updates tracked since enumeration

✔ NPI 1669914818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in PA · SP016773

815 FREEPORT RD, Pittsburgh, PA 15215

Open in Google Maps ↗

Other Names 1

Former Name (1)Lauren Ann Ball Crnp

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Lauren Ann Williams Crnp 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.

Medicare Billing Reassignments

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

University Of Pittsburgh Physicians

Same address

Internal Medicine

815 FREEPORT RD
Pittsburgh, PA 15215

Reassigned Medicare billing, Pennsylvania enrollment
7,114 clinicians in this Medicare group

NPI 1053848051 (412) 784-4000

Ahn Observation Group LLC

12 mi

Emergency Medicine

565 COAL VALLEY RD
Jefferson Hills, PA 15025

Reassigned Medicare billing, Pennsylvania enrollment
153 clinicians in this Medicare group

NPI 1437814696 (844) 474-4019

Ahn Emergency Group Of Jefferson Ltd

12 mi

Emergency Medicine

565 COAL VALLEY RD
Jefferson Hills, PA 15025

Reassigned Medicare billing, Pennsylvania enrollment
66 clinicians in this Medicare group

NPI 1235518499 (330) 493-4443

Carelon Medical Partners, PC

475 mi

Hospice and Palliative Medicine

22 CENTURY BLVD STE 220
Nashville, TN 37214

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

NPI 1124443403 (615) 454-9850

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 3

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.

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

40 services40 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

29 services29 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15215 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

$84.88 typical visit price

range $54.64 – $166.87

Typical copayment $21.22 (range $13.66 – $41.71)

Most-billed visit code 99203

Established Patient

$96.82 typical visit price

range $17.33 – $135.84

Typical copayment $24.20 (range $4.33 – $33.96)

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 20

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

NATHANIEL LAROUE

Physician Assistant (Medical)

815 FREEPORT RD
PITTSBURGH, PA 15215

Allegheny County (412) 784-4000

CHELSEA KLINE

Physician Assistant (Medical)

815 FREEPORT RD, UPMC ST MARGARET HOSPITAL
PITTSBURGH, PA 15215

Allegheny County (412) 784-4000

LEA HEISE

Speech-Language Pathologist

815 FREEPORT RD, 100 MEDICAL ARTS BUILDING SUITE 210
PITTSBURGH, PA 15215

Allegheny County (973) 534-9671

SYDNEY FRANCHICK

Physical Therapist

815 FREEPORT RD
PITTSBURGH, PA 15215

Allegheny County (412) 784-4050

DR. JEFFREY D. FLEMING DO

Family Medicine (Sports Medicine)

815 FREEPORT RD
PITTSBURGH, PA 15215

Allegheny County (412) 784-4227

BRITNEY STOTTLEMYER PHARMD

Pharmacist

815 FREEPORT RD
PITTSBURGH, PA 15215

Allegheny County (412) 784-4128

JEREMY BEAU PERRY CRNA

Nurse Anesthetist, Certified Registered

815 FREEPORT RD
PITTSBURGH, PA 15215

Allegheny County (412) 784-4396

NICOLE AMBRISCO

Physical Therapist

815 FREEPORT RD
PITTSBURGH, PA 15215

Allegheny County (412) 784-4050

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 Lauren Williams's NPI number?

The NPI number for Lauren Williams is 1669914818. It was assigned to this individual provider in the NPPES registry on November 4, 2016. The provider is also known as Lauren Ann Ball Crnp.

Where is Lauren Williams located?

Lauren Williams practices at 815 Freeport Rd, Pittsburgh, PA 15215. The listed phone number is (412) 784-4000.

What is Lauren Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Lauren Williams enrolled in Medicare?

Yes. Lauren Williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Lauren Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Williams reassigns Medicare benefits to 4 organizations: University Of Pittsburgh Physicians (Pittsburgh, PA), Ahn Observation Group LLC (Jefferson Hills, PA), Ahn Emergency Group Of Jefferson Ltd (Jefferson Hills, PA) and Carelon Medical Partners, PC (Nashville, TN). 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 Lauren Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lauren Williams was last updated on July 2, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.