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DR. ALISON DELARGY MCWILLIAMS D.O.
NPI 1740629476
Hospitalist in Sacramento, CA

Active since June 15, 2013PECOS Enrolled
2516 STOCKTON BLVD, DEPARTMENT OF PEDIATRICS, SACRAMENTO, CA 95817(916) 734-2428 Get Directions Write a Review

NPPES record last updated: May 4, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 4, 2021, Feb 28, 2019, Jun 22, 2016 (3 updates tracked since 2016).

About Dr. Alison Delargy Mcwilliams D.o. NPPES

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

DR. ALISON DELARGY MCWILLIAMS D.O. (NPI 1740629476) is an individual hospitalist provider in Sacramento, California, licensed in Nevada (DO2855) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740629476
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDR. ALISON DELARGY MCWILLIAMSCredential: D.O.
Location Address2516 STOCKTON BLVD, DEPARTMENT OF PEDIATRICSSacramento, CA 95817-2208
Mailing Address2516 Stockton Blvd, Department Of PediatricsSacramento, CA 95817-2208
Phone(916) 734-2428
Sole ProprietorNo
Enumeration DateJune 15, 2013
Last NPPES UpdateMay 4, 20213 updates tracked since enumeration
NPPES CertifiedMay 4, 2021
✔ NPI 1740629476 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in NV · DO2855
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedPediatricsTaxonomy 208000000X · License 20A13847 (CA)
2516 STOCKTON BLVD, Sacramento, CA 95817
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alison Delargy Mcwilliams D.o. 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

2

Medicare enrollment records show Alison Mcwilliams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Regents Of The University Of Ca
0.1 mi
Pediatric Critical Care Medicine
2521 STOCKTON BLVD
Sacramento, CA 95817
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Regents Of The Univ Of Ca
  • 2,570 clinicians in this Medicare group
NPI 1104815067 (916) 734-3179
Pokroy Medical Group Of Nevada, Ltd.
375 mi
Neonatal-Perinatal Medicine
653 N TOWN CENTER DR STE 112
Las Vegas, NV 89144
  • Reassigned Medicare billing, Nevada enrollment
  • 150 clinicians in this Medicare group
NPI 1992809412 (702) 733-0981

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95817 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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.

DR. MADHU SHARMA MD
Pediatrics (Pediatric Cardiology)
2516 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-4572
LENA CLAIRE VAN DER LIST D.O.
Pediatrics
2516 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-2428
NATALIE ALBASHA MD
Allergy & Immunology
2516 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-2274
ALISON MY LAM M.D.
Pediatrics
2516 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-3665
DR. ELIZABETH PARTRIDGE M.D.
Pediatrics (Pediatric Infectious Diseases)
2516 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (510) 428-4337
SAMANTHA ELISE ELLINWOOD AUMAN M.D.
Student in an Organized Health Care Education/Training Program
2516 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-2428
SARA BRUNDAGE DO
Pediatrics
2516 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-3665
DR. JEANNY KIM PARK M.D.
Pediatrics (Pediatric Cardiology)
2516 STOCKTON BLVD
SACRAMENTO, CA 95817
Sacramento County (916) 734-3589

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 Alison Mcwilliams's NPI number?

The NPI number for Alison Mcwilliams is 1740629476. It was assigned to this individual provider in the NPPES registry on June 15, 2013.

Where is Alison Mcwilliams located?

Alison Mcwilliams practices at 2516 Stockton Blvd Department Of Pediatrics, Sacramento, CA 95817. The listed phone number is (916) 734-2428.

What is Alison Mcwilliams's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Alison Mcwilliams enrolled in Medicare?

Yes. Alison Mcwilliams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alison Mcwilliams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alison Mcwilliams reassigns Medicare benefits to 2 organizations: Regents Of The University Of Ca (Sacramento, CA) and Pokroy Medical Group Of Nevada, Ltd. (Las Vegas, NV). 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 Alison Mcwilliams'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 Alison Mcwilliams was last updated on May 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.