WILLIAM CLINTON MCCLANAHAN MD
NPI 1770661472
Ophthalmology in Sacramento, CA

Q: What is William Mcclanahan's NPI number?

The NPI number for William Mcclanahan is 1770661472. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Q: What is William Mcclanahan's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Active since November 01, 2006PECOS Enrolled

2025 MORSE AVE, SACRAMENTO, CA 95825(916) 973-5000 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About William Clinton Mcclanahan Md NPPES

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

WILLIAM CLINTON MCCLANAHAN MD (NPI 1770661472) is an individual ophthalmology provider in Sacramento, California, licensed in California (G67404) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770661472

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameWILLIAM CLINTON MCCLANAHANCredential: MD

Location Address2025 MORSE AVESacramento, CA 95825-2115

Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262

Phone(916) 973-5000

Sole ProprietorNo

Enumeration DateNovember 1, 2006

Last NPPES UpdateDecember 13, 2021

✔ NPI 1770661472 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · G67404

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

2025 MORSE AVE, Sacramento, CA 95825

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Other Identifiers 1

Medicaid00G674040CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Clinton Mcclanahan 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 Mcclanahan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc

41 mi

Internal Medicine

7373 WEST LANE
Stockton, CA 95210

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1548343510 (209) 476-2000

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 95825 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

$75.03 typical visit price

range $19.88 – $148.15

Typical copayment $18.75 (range $4.97 – $37.03)

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 20

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

SHARON KAY MCCOY FNP

Nurse Practitioner (Family)