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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

ALAINA WILLIAMS
NPI 1114858438
Nurse Practitioner - Critical Care Medicine in Pittsburgh, PA

Active since May 26, 2026PECOS Enrolled
4815 LIBERTY AVE STE 204, PITTSBURGH, PA 15224(412) 578-4226(412) 578-4281 Get Directions Write a Review

NPPES record added: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 16, 2026, May 26, 2026 (2 updates tracked since 2026).

About Alaina Williams NPPES

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

ALAINA WILLIAMS (NPI 1114858438) is an individual critical care medicine provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (SP034500) and active in the NPI registry since May 2026. She is enrolled in Medicare PECOS and maintains a secondary practice location in Pittsburgh.

NPPES Registry Identity

NPI1114858438
Entity TypeIndividualFemale
Primary Taxonomy363LC0200X
Provider Legal NameALAINA WILLIAMS
Location Address4815 LIBERTY AVE STE 204Pittsburgh, PA 15224-2156
Mailing Address2 Allegheny Ctr Ste 530Pittsburgh, PA 15212-5404
Phone(412) 578-4226
Fax(412) 578-4281
Sole ProprietorNo
Enumeration DateMay 26, 2026
Last NPPES UpdateJuly 16, 20262 updates tracked since enumeration
NPPES CertifiedJuly 16, 2026
✔ NPI 1114858438 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Critical Care MedicinePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LC0200X
License✔ Licensed in PA · SP034500
4815 LIBERTY AVE STE 204, Pittsburgh, PA 15224
Open in Google Maps ↗

Secondary Practice Location 1

Location 14800 Friendship AvePittsburgh, PA 15224-1722 · Phone (412) 359-6656

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alaina 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15224 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 2

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

APRIL YVONNE GARMAN PA-C
Physician Assistant (Medical)
4815 LIBERTY AVE STE 204
PITTSBURGH, PA 15224
Allegheny County (412) 687-9945
HIAM NAIDITCH MD
Internal Medicine (Pulmonary Disease)
4815 LIBERTY AVE STE 204
PITTSBURGH, PA 15224
Allegheny County (412) 578-4226

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 Alaina Williams's NPI number?

The NPI number for Alaina Williams is 1114858438. It was assigned to this individual provider in the NPPES registry on May 26, 2026.

Where is Alaina Williams located?

Alaina Williams practices at 4815 Liberty Ave Ste 204, Pittsburgh, PA 15224. The listed phone number is (412) 578-4226.

What is Alaina Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.

Is Alaina Williams enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Alaina Williams was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.