1. Home
  2. Directory
  3. California
  4. Porterville
  5. Radiology
  6. NPI Profile

T.W. MACLENNAN, M.D., A MEDICAL CORP
NPI 1699711564
Radiology - Diagnostic Radiology in Porterville, CA

Active since June 21, 2006
465 W PUTNAM AVE, PORTERVILLE, CA 93257(559) 310-0287 Get Directions Write a Review

NPPES record last updated: February 4, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About T.w. Maclennan, M.d., A Medical Corp NPPES

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

T.W. MACLENNAN, M.D., A MEDICAL CORP (NPI 1699711564) is a healthcare organization registered as a diagnostic radiology in Porterville, California and active in the NPI registry since June 2006. The organization lists Thomas Maclennan, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1699711564
Entity TypeOrganization
Primary Taxonomy2085R0202X
Legal Business NameT.W. MACLENNAN, M.D., A MEDICAL CORP
Location Address465 W PUTNAM AVEPorterville, CA 93257-3320
Mailing AddressPo Box 190Simi Valley, CA 93062-0190 · (559) 310-0287 · Fax (805) 522-6401
Phone(559) 310-0287
Organization SubpartNo
Authorized OfficialThomas MaclennanMedical Director · (559) 310-0287
Enumeration DateJune 21, 2006
Last NPPES UpdateFebruary 4, 2019
✔ NPI 1699711564 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
465 W PUTNAM AVE, Porterville, CA 93257
Open in Google Maps ↗

Other Identifiers 3

MedicaidGR0093330CA
OtherZZZ05720ZBlue Shield
OtherCK5177Railroad Medicare

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

T.w. Maclennan, M.d., A Medical Corp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to T.W. Maclennan, M.D., A Medical Corp, which bills Medicare for the services this clinician delivers.

Clinician (1)

Thomas Maclennan, MD
Diagnostic Radiology
NPI 1033169891
777 TOWNSHIP LINE ROAD SUITE 150
Yardley, PA 19067
(215) 860-3360
✔ PECOS✔ Accepts Medicare2,396 mi

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

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 T.W. Maclennan, M.D., A Medical Corp's NPI number?

The NPI number for T.W. Maclennan, M.D., A Medical Corp is 1699711564. It was assigned to this organization in the NPPES registry on June 21, 2006.

Where is T.W. Maclennan, M.D., A Medical Corp located?

T.W. Maclennan, M.D., A Medical Corp is located at 465 W Putnam Ave, Porterville, CA 93257. The listed phone number is (559) 310-0287.

What is T.W. Maclennan, M.D., A Medical Corp's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is T.W. Maclennan, M.D., A Medical Corp enrolled in Medicare?

Yes. T.W. Maclennan, M.D., A Medical Corp is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through T.W. Maclennan, M.D., A Medical Corp?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Diagnostic Radiology) reassigns their Medicare billing to T.W. Maclennan, M.D., A Medical Corp. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for T.W. Maclennan, M.D., A Medical Corp was last updated on February 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.