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DR. WALTER LAMAR SEIFERT M.D.
NPI 1003835729
Internal Medicine in Altamonte Springs, FL

Active since July 19, 2006
258 E ALTAMONTE DR STE 1000, ALTAMONTE SPRINGS, FL 32701(407) 212-5589 Get Directions Write a Review

NPPES record last updated: November 3, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Walter Lamar Seifert M.d. NPPES

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

DR. WALTER LAMAR SEIFERT M.D. (NPI 1003835729) is an individual internal medicine provider in Altamonte Springs, Florida, licensed in Florida (ME108299) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1003835729
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WALTER LAMAR SEIFERTCredential: M.D.
Location Address258 E ALTAMONTE DR STE 1000Altamonte Springs, FL 32701-4332
Mailing Address393 Centerpointe Cir, Suite 1483Altamonte Springs, FL 32701-3453 · (407) 212-5589 · Fax (800) 234-0702
Phone(407) 212-5589
Sole ProprietorNo
Enumeration DateJuly 19, 2006
Last NPPES UpdateNovember 3, 2021
NPPES CertifiedNovember 3, 2021
✔ NPI 1003835729 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in FL · ME108299
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
258 E ALTAMONTE DR STE 1000, Altamonte Springs, FL 32701
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Health First Commercial Plans, Inc., Oscar Health Maintenance Organization of Florida.Insurance ›

Other Providers at the Same Location NPPES

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

HEALTHCARE SPOT, LLC
Family Medicine
258 E ALTAMONTE DR STE 1000
ALTAMONTE SPRINGS, FL 32701
Seminole County (407) 459-0785

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 Walter Seifert's NPI number?

The NPI number for Walter Seifert is 1003835729. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is Walter Seifert located?

Walter Seifert practices at 258 E Altamonte Dr Ste 1000, Altamonte Springs, FL 32701. The listed phone number is (407) 212-5589.

What is Walter Seifert's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

What insurance does Walter Seifert accept?

Health plans from Health First Commercial Plans, Inc. and Oscar Health Maintenance Organization of Florida list Walter Seifert 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 Walter Seifert was last updated on November 3, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.