Dianna Lananh Phan, M.D.
Family Medicine Physician · Marrero, LA
Dianna Lananh Phan, M.D. is a family medicine physician with a practice address in Marrero, Louisiana, and NPI 1598055444, issued on Apr 12, 2011. Check the license (Louisiana MD.207087, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Dianna Lananh Phan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD.207087 LA
Self-reported in NPPES; status is on the state search - Practice location
- 4225 Lapalco Blvd, Marrero, LA 70072
- Phone
- (504) 371-9355
- Enumerated
- Apr 12, 2011
- Record last updated
- Aug 5, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140924001692); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,728 in Louisiana → Look up another NPI →
Also registered at 4225 Lapalco Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carmen Bruno, DPMPodiatrist1932595345
- Phillip Canfield, MDFamily Medicine Physician1326070798
- David Champney, LPC, NCC, MAC, CTTSProfessional Counselor1366636003
- Donald Costello, ODOptometrist1982661872
- Marvin Dair, MDInternal Medicine Physician1427085893
- Christie Degrange, MDInternal Medicine Physician1881779403
Verify Dianna Lananh Phan 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.207087Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,517 Medicare Part D claims for 748 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 134 claims were for opioids.
Most prescribed
- Atorvastatin Calcium553 claims
- Amlodipine Besylate525 claims
- Levothyroxine Sodium266 claims
- Hydrochlorothiazide244 claims
- Omeprazole180 claims
- Pantoprazole Sodium176 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.
Industry payments in 2024: $132.67
5 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
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).
Dianna Lananh Phan among 1,728 family medicine physician records in Louisiana
Dianna Lananh Phan, M.D. is one of 1,728 family medicine physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2011 · median 2006 among the 1,201 with a school on file
- Record last updated2014 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 family medicine physician records list a practice address in Marrero
They are 25 of the 1,117 NPPES records with a practice address in Marrero, and 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Every provider in Marrero → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Phillip Canfield, MDMarrero, LA 700721326070798
- Kenneth Coignet, MDMarrero, LA 700721518953009
- Roger Cook, M.D.Marrero, LA 700721043218340
- Pramela Ganji, MDMarrero, LA 700721053450346
- Michele Lagarde-May, MDMarrero, LA 700721043346315
- Elie Lao, MDMarrero, LA 700721215986146
- Thuy Nguyen, M.D.Marrero, LA 700721710026844
- William Procell, MDMarrero, LA 700721750342598
Common questions
What is Dianna Lananh Phan, M.D.'s NPI number?
Dianna Lananh Phan, M.D.'s National Provider Identifier (NPI) is 1598055444, issued on Apr 12, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Dianna Lananh Phan, M.D. located?
The NPPES record lists a practice address at 4225 Lapalco Blvd, Marrero, LA, 70072. Phone: (504) 371-9355. Providers update this record themselves, so call before visiting.
How can I verify Dianna Lananh Phan, M.D.'s license?
NPPES lists Louisiana license number MD.207087, 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 Dianna Lananh Phan, M.D. prescribe under Medicare Part D?
In 2024, Dianna Lananh Phan, M.D. had 7,517 Medicare Part D claims for 748 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.