1. Home
  2. Directory
  3. Mississippi
  4. Jackson
  5. Internal Medicine
  6. NPI Profile

JAMES H JOHNSTON MD
NPI 1699763847
Internal Medicine - Gastroenterology in Jackson, MS

Active since October 12, 2005Opted out of Medicare · through Apr 1, 2028
1421 N STATE ST, SUITE 203, JACKSON, MS 39202(601) 355-1234(601) 354-3881 Get Directions Write a Review

NPPES record last updated: August 14, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About James H Johnston Md NPPES

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

JAMES H JOHNSTON MD (NPI 1699763847) is an individual gastroenterology provider in Jackson, Mississippi, licensed in Mississippi (08471) and active in the NPI registry since October 2005. He has opted out of Medicare through April 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1699763847
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJAMES H JOHNSTONCredential: MD
Location Address1421 N STATE ST, SUITE 203Jackson, MS 39202-1658
Mailing Address1421 N State St, Suite 203Jackson, MS 39202-1658 · (601) 355-1234 · Fax (601) 354-3881
Phone(601) 355-1234
Fax(601) 354-3881
Sole ProprietorNo
Enumeration DateOctober 12, 2005
Last NPPES UpdateAugust 14, 2008
✔ NPI 1699763847 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MS · 08471
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1421 N STATE ST, Jackson, MS 39202
Open in Google Maps ↗

Other Identifiers 4

Medicare UPINB31048MS
Medicare PIN100003954MS
Medicare PIN100000020MS
Medicaid00115724MS

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

James H Johnston Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2016 through April 1, 2028.

Opt-Out Effective DateApril 1, 2016
Opt-Out In Effect ThroughApril 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$120.41 typical visit price
range $51.65 – $159.18
Typical copayment $30.10 (range $12.91 – $39.79)
Most-billed visit code 99204
Established Patient
$92.20 typical visit price
range $16.15 – $129.61
Typical copayment $23.05 (range $4.03 – $32.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

MR. ANCE O. HAWKINS CRNA
Nurse Anesthetist, Certified Registered
1421 N STATE ST, SUITE 203
JACKSON, MS 39202
Hinds County (601) 355-1234
DR. MARK RUNNELS
Urology
1421 N STATE ST, STE 403
JACKSON, MS 39202
Hinds County (601) 353-9900
DR. WILLIAM O THOMPSON M.D.
Legal Medicine
1421 N STATE ST, STE. 504
JACKSON, MS 39202
Hinds County (601) 969-9050
MR. ERIC O PAYNE CRNA
Nurse Anesthetist, Certified Registered
1421 N STATE ST, SUITE 203
JACKSON, MS 39202
Hinds County (601) 355-1234
MISSISSIPPI SURGICAL CENTER LP
Clinic/Center (Ambulatory Surgical)
1421 N STATE ST
JACKSON, MS 39202
Hinds County (601) 353-8000
JOE R. ROSS M.D.
Urology
1421 N STATE ST, SUITE 403
JACKSON, MS 39202
Hinds County (601) 353-9900
FRED L MCMILLAN, MD, PLLC
Ophthalmology
1421 N STATE ST, SUITE 503
JACKSON, MS 39202
Hinds County (601) 948-6886
PATRICK DAILY M.D.
Urology
1421 N STATE ST, SUITE 403
JACKSON, MS 39202
Hinds County (601) 353-9900

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 James Johnston's NPI number?

The NPI number for James Johnston is 1699763847. It was assigned to this individual provider in the NPPES registry on October 12, 2005.

Where is James Johnston located?

James Johnston practices at 1421 N State St Suite 203, Jackson, MS 39202. The listed phone number is (601) 355-1234.

What is James Johnston's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is James Johnston enrolled in Medicare?

No. James Johnston has opted out of Medicare through April 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for James Johnston was last updated on August 14, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.