DR. TIMOTHY A. DEFFER MD
NPI 1851478283
Dermatology in Springfield, MO

Active since November 01, 2006
3231 S NATIONAL AVE, SPRINGFIELD, MO 65807(417) 885-0803(417) 841-0110 Get Directions Write a Review

NPPES record last updated: May 3, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Timothy A. Deffer Md NPPES

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

DR. TIMOTHY A. DEFFER MD (NPI 1851478283) is an individual dermatology provider in Springfield, Missouri, licensed in Missouri (2001013325) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1851478283
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameDR. TIMOTHY A. DEFFERCredential: MD
Location Address3231 S NATIONAL AVESpringfield, MO 65807-7304
Mailing AddressPo Box 2580Springfield, MO 65801-2580 · (417) 829-4620
Fax(417) 841-0110
Sole ProprietorNo
Enumeration DateNovember 1, 2006
Last NPPES UpdateMay 3, 2013
NPI 1851478283 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in MO · 2001013325
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
3231 S NATIONAL AVE, Springfield, MO 65807

Other Identifiers 5

Medicare PIN121013230MO
Medicare UPINA06429MO
Medicare PIN379013268MO
Medicaid205332109MO
Medicaid145785001AR

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.

Internal Medicine (Pulmonary Disease)
3231 S NATIONAL AVE
SPRINGFIELD, MO 65807
Family Medicine
3231 S NATIONAL AVE, SUITE 280
SPRINGFIELD, MO 65807
Family Medicine
3231 S NATIONAL AVE, SUITE 220
SPRINGFIELD, MO 65807
Podiatrist
3231 S NATIONAL AVE
SPRINGFIELD, MO 65807
Dietitian, Registered
3231 S NATIONAL AVE
SPRINGFIELD, MO 65807
Podiatrist
3231 S NATIONAL AVE, SUITE 160
SPRINGFIELD, MO 65807
Family Medicine
3231 S NATIONAL AVE, STE 115
SPRINGFIELD, MO 65807
Pharmacist
3231 S NATIONAL AVE
SPRINGFIELD, MO 65807

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 Timothy Deffer's NPI number?

The NPI number for Timothy Deffer is 1851478283. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Timothy Deffer located?

Timothy Deffer practices at 3231 S National Ave, Springfield, MO 65807. The listed phone number is (417) 885-0803.

What is Timothy Deffer's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

When was this NPI record last updated?

The NPPES record for Timothy Deffer was last updated on May 3, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.