NPPES file of Aug 9, 2026

Andrew Alan Johnstone, M.D.

Geriatric Medicine (Internal Medicine) Physician · New Orleans, LA

Andrew Alan Johnstone, M.D. is a geriatric medicine (internal medicine) physician with a practice address in New Orleans, Louisiana, and NPI 1235584079, issued on Apr 29, 2016. Check the license on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235584079
Name
Andrew Alan Johnstone
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
330223 NY
Self-reported in NPPES; status is on the state search
Practice location
2000 Canal St # D&T, New Orleans, LA 70112
Phone
(347) 882-3030
Enumerated
Apr 29, 2016
Record last updated
Dec 11, 2025
Fax
(504) 702-2500
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Andrew Alan Johnstone in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersLouisiana State Board of Medical ExaminersCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Louisiana license search

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99% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

26 Medicare Part D claims for 22 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Andrew Johnstone26
  2. Specialty average4,246

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score70.8
  2. Costout of 100 · 30%52.8
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Andrew Alan Johnstone among 34 geriatric medicine (internal medicine) physician records in Louisiana

Andrew Alan Johnstone, M.D. is one of 34 geriatric medicine (internal medicine) physician records with a practice address in Louisiana. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 82% of them.

  • NPI issued2016 · 82% of these records are older, 9% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileNo · 29% of these records are
  • Record last updated2025 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Louisiana

There are 34 geriatric medicine (internal medicine) physician records in Louisiana.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Fadi Abu-Farsakh, MDNew Orleans, LA 701121487215950
  2. Lauren Broussard, MDNew Orleans, LA 701121184251803
  3. Natalie Christian, MDNew Orleans, LA 701121245682855
  4. Julijana Conic, MDNew Orleans, LA 701121386271971
  5. Guler Karcioglu, MDNew Orleans, LA 701121659468122
  6. Thomas May, MDNew Orleans, LA 701121396756920
  7. Jonathan Orner, M.D.New Orleans, LA 701121609238716
  8. Rodney Pattabhi, MDNew Orleans, LA 701121366856577

Common questions

What is Andrew Alan Johnstone, M.D.'s NPI number?

Andrew Alan Johnstone, M.D.'s National Provider Identifier (NPI) is 1235584079, issued on Apr 29, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Andrew Alan Johnstone, M.D. located?

The NPPES record lists a practice address at 2000 Canal St # D&T, New Orleans, LA, 70112. Phone: (347) 882-3030. Providers update this record themselves, so call before visiting.

How can I verify Andrew Alan Johnstone, M.D.'s license?

Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Andrew Alan Johnstone, M.D. prescribe under Medicare Part D?

In 2024, Andrew Alan Johnstone, M.D. had 26 Medicare Part D claims for 22 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.

What is Andrew Alan Johnstone, M.D.'s MIPS final score?

The 2023 MIPS final score is 87.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.