Chad N. Heinen, M.D.
Internal Medicine Physician · Lake Charles, LA
Chad N. Heinen, M.D. is an internal medicine physician with a practice address in Lake Charles, Louisiana, and NPI 1629001490, issued on Jul 7, 2006. Check the license (Louisiana MD-023108, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Chad N. Heinen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD-023108 LA
E-3962 AR
Self-reported in NPPES; status is on the state search - Practice location
- 2027 Saint Joseph Ave, Lake Charles, LA 70601
- Phone
- (337) 515-0027
- Enumerated
- Jul 7, 2006
- Record last updated
- Jun 19, 2025
- Fax
- (888) 336-6084
- Medicaid ID
- 155103001 AR
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Verify Chad N. Heinen 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-023108Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
43 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Citalopram Hbr16 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.
Chad N. Heinen among 1,749 internal medicine physician records in Louisiana
Chad N. Heinen, M.D. is one of 1,749 internal 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 58% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% 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 207R00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 internal medicine physician records list a practice address in Lake Charles
They are 53 of the 2,791 NPPES records with a practice address in Lake Charles, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in Lake Charles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Louise Becnel, MDLake Charles, LA 706011518928001
- Harpal Benipal, M.D.Lake Charles, LA 706011114987229
- Yang-Tze Broussard, M.D.Lake Charles, LA 706011922099662
- James Gaharan, M.D.Lake Charles, LA 706011689753014
- George Hutchinson, M.D.Lake Charles, LA 706011548216872
- Susan Jones, MDLake Charles, LA 706011699760439
- Mir Khan, MDLake Charles, LA 706011669448080
- Tariq Khan, M.D.Lake Charles, LA 706011700846169
Common questions
What is Chad N. Heinen, M.D.'s NPI number?
Chad N. Heinen, M.D.'s National Provider Identifier (NPI) is 1629001490, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chad N. Heinen, M.D. located?
The NPPES record lists a practice address at 2027 Saint Joseph Ave, Lake Charles, LA, 70601. Phone: (337) 515-0027. Providers update this record themselves, so call before visiting.
How can I verify Chad N. Heinen, M.D.'s license?
NPPES lists Louisiana license number MD-023108, 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 Chad N. Heinen, M.D. prescribe under Medicare Part D?
In 2024, Chad N. Heinen, M.D. had 43 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.