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DR. ANDREW ALAN JOHNSTONE M.D.
NPI 1235584079
Internal Medicine - Geriatric Medicine in New Orleans, LA

Active since April 29, 2016PECOS Enrolled
87.08/100
CMS Quality Rating
2000 CANAL ST # D&T, 2ND FL, SUITE 2720, NEW ORLEANS, LA 70112(347) 882-3030(504) 702-2500 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 11, 2025, Jan 23, 2021 (2 updates tracked since 2021).

About Dr. Andrew Alan Johnstone M.d. NPPES

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

DR. ANDREW ALAN JOHNSTONE M.D. (NPI 1235584079) is an individual geriatric medicine provider in New Orleans, Louisiana, licensed in New York (330223) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235584079
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameDR. ANDREW ALAN JOHNSTONECredential: M.D.
Location Address2000 CANAL ST # D&T, 2ND FL, SUITE 2720New Orleans, LA 70112-3018
Mailing Address3747 N Fremont St, Apt 1Chicago, IL 60613-0388 · (347) 882-3030
Phone(347) 882-3030
Fax(504) 702-2500
Sole ProprietorNo
Enumeration DateApril 29, 2016
Last NPPES UpdateDecember 11, 20252 updates tracked since enumeration
NPPES CertifiedDecember 11, 2025
✔ NPI 1235584079 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in NY · 330223
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
2000 CANAL ST # D&T, New Orleans, LA 70112
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Andrew Alan Johnstone M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Andrew Johnstone reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Montefiore Medical Center
1,174 mi
Family Medicine
2633 BROADWAY
New York, NY 10025
  • Reassigned Medicare billing, New York enrollment
  • 5,251 clinicians in this Medicare group
NPI 1760288278 (888) 663-6331

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
47 services45 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
38 services38 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
23 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70112 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
$170.30 typical visit price
range $55.50 – $170.30
Typical copayment $42.57 (range $13.87 – $42.57)
Most-billed visit code 99205
Established Patient
$98.35 typical visit price
range $17.42 – $138.03
Typical copayment $24.58 (range $4.35 – $34.50)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.79
Promoting Interoperability100
Improvement Activities40
Cost52.82

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 Andrew Johnstone's NPI number?

The NPI number for Andrew Johnstone is 1235584079. It was assigned to this individual provider in the NPPES registry on April 29, 2016.

Where is Andrew Johnstone located?

Andrew Johnstone practices at 2000 Canal St # D&t 2nd Fl, Suite 2720, New Orleans, LA 70112. The listed phone number is (347) 882-3030.

What is Andrew Johnstone's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Andrew Johnstone enrolled in Medicare?

Yes. Andrew Johnstone is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Andrew Johnstone's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Johnstone reassigns Medicare benefits to Montefiore Medical Center (New York, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Andrew Johnstone's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Andrew Johnstone was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.