DR. WILLIAM F. PFEIFFER MD
NPI 1447345707
Pediatrics in Honolulu, HI

Q: What is William Pfeiffer's NPI number?

The NPI number for William Pfeiffer is 1447345707. It was assigned to this individual provider in the NPPES registry on October 4, 2006.

Q: What is William Pfeiffer's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for William Pfeiffer was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 October 04, 2006PECOS Enrolled

1010 PENSACOLA ST, HONOLULU, HI 96814(808) 432-2000 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. William F. Pfeiffer Md NPPES

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

DR. WILLIAM F. PFEIFFER MD (NPI 1447345707) is an individual pediatrics provider in Honolulu, Hawaii, licensed in Hawaii (MD-7467) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447345707

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. WILLIAM F. PFEIFFERCredential: MD

Location Address1010 PENSACOLA STHonolulu, HI 96814-2118

Mailing Address1010 Pensacola StHonolulu, HI 96814-2118 · (808) 432-2000

Phone(808) 432-2000

Sole ProprietorNo

Enumeration DateOctober 4, 2006

Last NPPES UpdateNovember 29, 2021

✔ NPI 1447345707 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in HI · MD-7467

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

1010 PENSACOLA ST, Honolulu, HI 96814

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Other Identifiers 2

Other0000089862HI · Hmsa Billing Number

Medicaid069288-01HI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William F. Pfeiffer 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.

Medicare Billing Reassignment

Medicare enrollment records show William Pfeiffer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group

2,513 mi

Health Maintenance Organization

2103 E GONZALES RD
Oxnard, CA 93036

Reassigned Medicare billing, California enrollment
13,921 clinicians in this Medicare group

NPI 1275756652 (805) 650-4700

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 96814 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

$92.50 typical visit price

range $60.53 – $180.05

Typical copayment $23.12 (range $15.13 – $45.01)

Most-billed visit code 99203

Established Patient

$105.65 typical visit price

range $20.09 – $147.56

Typical copayment $26.41 (range $5.02 – $36.89)

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.

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