Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN SAINT JOHN BARBER
NPI 1598393134
Allergy & Immunology in Durham, NC

Q: What is John Barber's NPI number?

The NPI number for John Barber is 1598393134. It was assigned to this individual provider in the NPPES registry on March 30, 2020.

Q: What is John Barber's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for John Barber was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.

Active since March 30, 2020PECOS Enrolled

1821 HILLANDALE RD, DURHAM, NC 27705(919) 620-7300(919) 620-7300 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 14, 2026, Mar 30, 2020 (2 updates tracked since 2020).

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About John Saint John Barber NPPES

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

JOHN SAINT JOHN BARBER (NPI 1598393134) is an individual allergy & immunology provider in Durham, North Carolina, licensed in North Carolina (2024-01439) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598393134

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameJOHN SAINT JOHN BARBER

Location Address1821 HILLANDALE RDDurham, NC 27705-2659

Mailing Address1821 Hillandale RdDurham, NC 27705-2659 · (919) 620-7300 · Fax (919) 620-7300

Phone(919) 620-7300

Fax(919) 620-7300

Sole ProprietorYes

Enumeration DateMarch 30, 2020

Last NPPES UpdateJuly 14, 20262 updates tracked since enumeration

NPPES CertifiedJuly 14, 2026

✔ NPI 1598393134 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

License✔ Licensed in NC · 2024-01439

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.

1821 HILLANDALE RD, Durham, NC 27705

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Saint John Barber 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.

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. ERIC STEPHEN MOORE M.D.

Internal Medicine (Cardiovascular Disease)

1821 HILLANDALE RD, SUITE 25C
DURHAM, NC 27705

Durham County (919) 220-5510

DEBORAH NOWACK RN

Registered Nurse (Diabetes Educator)

1821 HILLANDALE RD, SUITE 24B
DURHAM, NC 27705

Durham County (919) 383-5437

MICHAEL R KOMADA MD

Internal Medicine (Cardiovascular Disease)

1821 HILLANDALE RD, SUITE 25C
DURHAM, NC 27705

Durham County (915) 220-5510

DR. MELINDA L SIMONS PHARMD

Pharmacist

1821 HILLANDALE RD, KERR DRUG 408
DURHAM, NC 27705

Durham County (919) 383-0820

PRIVATE DIAGNOSTIC CLINIC, PLLC

Internal Medicine (Cardiovascular Disease)

1821 HILLANDALE RD, STE. 25C
DURHAM, NC 27705

Durham County (919) 220-5510

DUKE UNIVERSITY AFFILIATED PHYSICIANS, INC.

Family Medicine

1821 HILLANDALE RD, STE. 24B
DURHAM, NC 27705

Durham County (919) 383-5437

ELIZABETH HENKE MD

Internal Medicine (Cardiovascular Disease)

1821 HILLANDALE RD, SUITE 25C
DURHAM, NC 27705

Durham County (919) 220-5510

DR. CALEB EVANS PINEO MD

Family Medicine

1821 HILLANDALE RD
DURHAM, NC 27705

Durham County (919) 383-5437

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 Barber's NPI number?

The NPI number for John Barber is 1598393134. It was assigned to this individual provider in the NPPES registry on March 30, 2020.

Where is John Barber located?

John Barber practices at 1821 Hillandale Rd, Durham, NC 27705. The listed phone number is (919) 620-7300.

What is John Barber's specialty?

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

Is John Barber enrolled in Medicare?

Yes. John Barber is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Barber was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.