Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM PATRICK MANNION JR. D.D.S.
NPI 1972572162
Dentist - General Practice in Ukiah, CA

Q: What is William Mannion's NPI number?

The NPI number for William Mannion is 1972572162. It was assigned to this individual provider in the NPPES registry on March 17, 2006.

Q: What is William Mannion's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for William Mannion was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.

Active since March 17, 2006PECOS Enrolled

1091 S DORA ST, UKIAH, CA 95482(707) 462-1540(707) 462-7601 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. William Patrick Mannion Jr. D.d.s. NPPES

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

DR. WILLIAM PATRICK MANNION JR. D.D.S. (NPI 1972572162) is an individual general practice provider in Ukiah, California, licensed in California (40850) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972572162

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. WILLIAM PATRICK MANNION JR.Credential: D.D.S.

Location Address1091 S DORA STUkiah, CA 95482-5736

Mailing Address1414 Christopher CtUkiah, CA 95482-3674 · (707) 462-1914

Phone(707) 462-1540

Fax(707) 462-7601

Sole ProprietorNo

Enumeration DateMarch 17, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1972572162 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in CA · 40850

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

1091 S DORA ST, Ukiah, CA 95482

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and more.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)

Dr. William Patrick Mannion Jr. D.d.s. 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 95482 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

$90.32 typical visit price

range $58.87 – $176.60

Typical copayment $22.58 (range $14.71 – $44.15)

Most-billed visit code 99203

Established Patient

$73.16 typical visit price

range $19.28 – $144.60

Typical copayment $18.29 (range $4.82 – $36.15)

Most-billed visit code 99213

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.

DR. L VIRGINIA POWELL DMD

Dentist (General Practice)

1091 S DORA ST
UKIAH, CA 95482

Mendocino County (707) 462-1540

WILLIAM VAINER INC.

Dentist (General Practice)

1091 S DORA ST
UKIAH, CA 95482

Mendocino County (707) 462-1540

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 William Mannion's NPI number?

The NPI number for William Mannion is 1972572162. It was assigned to this individual provider in the NPPES registry on March 17, 2006.

Where is William Mannion located?

William Mannion practices at 1091 S Dora St, Ukiah, CA 95482. The listed phone number is (707) 462-1540.

What is William Mannion's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is William Mannion enrolled in Medicare?

Yes. William Mannion is registered in the Medicare PECOS enrollment system.

What insurance does William Mannion accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Humana list William Mannion as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Mannion was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.