John Clifford Carlson, MD, PHD
Allergy & Immunology Physician · New Orleans, LA
John Clifford Carlson, MD, PHD is an allergy & immunology physician with a practice address in New Orleans, Louisiana, and NPI 1700058310, issued on Mar 24, 2008. Check the license (Louisiana MD.200766, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Clifford Carlson
- Credential
- MD, PHD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- MD.200766 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1430 Tulane Ave # SL-37, New Orleans, LA 70112
- Phone
- (504) 988-5456
- Enumerated
- Mar 24, 2008
- Record last updated
- Mar 8, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (504) 988-1771
- Medicaid IDs
- 01870255 MS
1069612 LA - Medicare enrollment
- Enrolled (PECOS I20100806000793); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 58 in Louisiana → Look up another NPI →
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.
- Kannan Baskar, MDPediatrics Physician1225292980
- Diana Cejas, M.D.Student in an Organized Health Care Education/Training Program1356667752
- Esteban Gershanik, M.D., M.P.H.Internal Medicine Physician1376723858
- Mary Rossi, MDPediatrics Physician1598938110
Verify John Clifford Carlson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.200766Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
89 Medicare Part D claims for 23 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- 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.
Bills Medicare through one group practice
- Ochsner Clinic LLCNew Orleans, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Clifford Carlson among 58 allergy & immunology physician records in Louisiana
John Clifford Carlson, MD, PHD is one of 58 allergy & immunology physician records with a practice address in Louisiana. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 38% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2004 · median 2002 among the 43 with a school on file
- Record last updated2018 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Louisiana
There are 58 allergy & immunology physician records in Louisiana.
All 58 in Louisiana → Every provider in New Orleans → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Evan Atkinson, M.D.New Orleans, LA 701121255655262
- Margaret Huntwork, MDNew Orleans, LA 701121831498252
- Michelle Korah-Sedgwick, M.D.New Orleans, LA 701121538483359
- Laurianne Wild, MDNew Orleans, LA 701121902824063
- Stephen Derbes, MDNew Orleans, LA 701151689763302
- Jamie Lurie, M.D.New Orleans, LA 701151124203708
- Reena Mehta, MDNew Orleans, LA 701151316263858
- Kenneth Paris, MDNew Orleans, LA 701181629183157
Common questions
What is John Clifford Carlson, MD, PHD's NPI number?
John Clifford 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 Clifford 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 Clifford Carlson, MD, PHD's license?
NPPES lists Louisiana license number MD.200766, as entered by the provider. 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 Clifford Carlson, MD, PHD prescribe under Medicare Part D?
In 2024, John Clifford Carlson, MD, PHD had 89 Medicare Part D claims for 23 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
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.