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DR. JOHN EDWARD ERFFMEYER M.D.
NPI 1689609398
Allergy & Immunology in Baton Rouge, LA

Active since July 11, 2006
9001 SUMMA AVE, BATON ROUGE, LA 70809(225) 761-5200(225) 761-5259 Get Directions Write a Review

NPPES record last updated: December 7, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John Edward Erffmeyer M.d. NPPES

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

DR. JOHN EDWARD ERFFMEYER M.D. (NPI 1689609398) is an individual allergy & immunology provider in Baton Rouge, Louisiana, licensed in Louisiana (L014036) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1689609398
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameDR. JOHN EDWARD ERFFMEYERCredential: M.D.
Location Address9001 SUMMA AVEBaton Rouge, LA 70809-3726
Mailing Address9001 Summa AveBaton Rouge, LA 70809-3726 · (225) 761-5200
Phone(225) 761-5200
Fax(225) 761-5259
Sole ProprietorNo
Enumeration DateJuly 11, 2006
Last NPPES UpdateDecember 7, 2007
✔ NPI 1689609398 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in LA · L014036
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
9001 SUMMA AVE, Baton Rouge, LA 70809
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Other Identifiers 3

Medicaid1371955LA
Medicare UPINB89655
Medicare ID-Type Unspecified53820

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.

DR. THOMAS R FAIRLEY O.D.
Optometrist
9001 SUMMA AVE
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 761-5200
KAYLA DAWN SLIMAN M.D.
Internal Medicine (Gastroenterology)
9001 SUMMA AVE
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 761-5219
ABDUL BASET KHAN MD
Psychiatry & Neurology (Neurology)
9001 SUMMA AVE
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 761-5200
DIONNA MICHELLE MATHEWS M.D.
Pediatrics
9001 SUMMA AVE
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 761-5405
MS. MOLLY ELIZABETH MCRAE RN PRACTITIONER
Nurse Practitioner
9001 SUMMA AVE
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 761-5200
WILLIAM FREDERICK WATERS PH.D
Psychologist (Clinical)
9001 SUMMA AVE
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 761-5200
GIA TYSON LANDRY M.D.
Internal Medicine (Gastroenterology)
9001 SUMMA AVE
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 761-5219
ELIZABETH BREAUX MCELVEEN RNFA
Registered Nurse
9001 SUMMA AVE
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 761-5479

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 John Erffmeyer's NPI number?

The NPI number for John Erffmeyer is 1689609398. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Where is John Erffmeyer located?

John Erffmeyer practices at 9001 Summa Ave, Baton Rouge, LA 70809. The listed phone number is (225) 761-5200.

What is John Erffmeyer's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

When was this NPI record last updated?

The NPPES record for John Erffmeyer was last updated on December 7, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.