Registry data as of Aug 27, 2026

John Carlson, MD, PHD

Pediatrics Physician · New Orleans, LA

John Carlson, MD, PHD is a pediatrics physician with a practice address in New Orleans, Louisiana, and NPI 1700058310, issued on Mar 24, 2008. Check the license on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1700058310
Name
John Carlson
Credential
MD, PHD
Primary taxonomy
Pediatrics Physician 208000000X
Practice location
1430 Tulane Ave # SL-37, New Orleans, LA 70112
Phone
(504) 988-5456
Enumerated
Mar 24, 2008
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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Also registered at 1430 Tulane Ave # SL-37

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kannan Baskar, MDPediatrics Physician1225292980
  2. Diana Cejas, M.D.Student in an Organized Health Care Education/Training Program1356667752
  3. Esteban Gershanik, M.D., M.P.H.Internal Medicine Physician1376723858
  4. Mary Rossi, MDPediatrics Physician1598938110

Verify John Carlson 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

89% fewer Medicare Part D claims than the average pediatrics physician in 2024

89 Medicare Part D claims for 23 beneficiaries, against an average of 818 among the 8,211 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.

  1. John Carlson89
  2. Specialty average818

Most prescribed

  1. Montelukast Sodium14 claims

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.

One hospital or facility affiliation

  1. Ochsner Clinic LLCNew Orleans, LA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

229 pediatrics physician records list a New Orleans practice address

They are 229 of the 13,668 NPPES records with a New Orleans practice address, and 990 pediatrics physician records in Louisiana.

Other pediatrics physician records in Louisiana

  1. Myriam Abdel-Sayed, MDLafayette, LA1093715724
  2. Christine AbideMandeville, LA1013863380
  3. Chirine Abou Turk, M.D.Lake Charles, LA1689704868
  4. Brian Adams, M.D.Opelousas, LA1487829685
  5. Elizabeth Adams, MDMetairie, LA1720082498
  6. Olusegun Adeleye, M.D.Natchitoches, LA1629023064
  7. Ovayoza Adeleye, MDNatchitoches, LA1538150263
  8. Oluwayemisi Adesida, MDShreveport, LA1992192025
  9. Diane Africk, MDNew Orleans, LA1750472692
  10. Syeda AfzalShreveport, LA1770136756

Common questions

What is John Carlson, MD, PHD's NPI number?

John Carlson, MD, PHD's National Provider Identifier (NPI) is 1700058310, issued on Mar 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is John Carlson, MD, PHD located?

The NPPES record lists a practice address at 1430 Tulane Ave # SL-37, New Orleans, LA, 70112. Phone: (504) 988-5456. Providers update this record themselves, so call before visiting.

How can I verify John Carlson, MD, PHD'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 John Carlson, MD, PHD prescribe under Medicare Part D?

In 2024, John Carlson, MD, PHD had 89 Medicare Part D claims for 23 beneficiaries; the average among pediatrics physician prescribers was 818. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.