Alyssa Colleen Lyon, M.D.
Emergency Medicine Physician · Hammond, LA
Alyssa Colleen Lyon, M.D. is an emergency medicine physician with a practice address in Hammond, Louisiana, and NPI 1538350996, issued on Aug 9, 2007. Check the license (Louisiana MD.201761, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Alyssa Colleen Lyon
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MD.201761 LA
PGY.2.LSUN-EMED LA
Self-reported in NPPES; status is on the state search - Practice location
- 15790 Paul Vega MD Dr, Hammond, LA 70403
- Phone
- (985) 230-1682
- Enumerated
- Aug 9, 2007
- Record last updated
- Mar 31, 2026
- Fax
- (985) 230-1617
- Medicaid ID
- 1505889 LA
- Medicare enrollment
- Enrolled (PECOS I20110720000206); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2006
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,000 in Louisiana → Look up another NPI →
Also registered at 15790 Paul Vega MD Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Aaron, M.D.Hospitalist Physician1265636658
- Chad Achord, CRNACertified Registered Nurse Anesthetist1184634644
- Lucas Ainsworth, M.D.Emergency Medicine Physician1912386863
- Carolyn Albin-Davenport, FNP-CNurse Practitioner1578606299
- Noor Ali, MDStudent in an Organized Health Care Education/Training Program1255276028
- William Allen, MDEmergency Medicine Physician1952863185
Verify Alyssa Colleen Lyon 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.201761Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average emergency medicine physician in 2024
739 Medicare Part D claims for 432 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone58 claims
- Azelastine Hcl55 claims
- Doxycycline Hyclate52 claims
- Cephalexin51 claims
- Cefdinir44 claims
- Mupirocin41 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 LLCMandeville, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alyssa Colleen Lyon among 1,000 emergency medicine physician records in Louisiana
Alyssa Colleen Lyon, M.D. is one of 1,000 emergency medicine physician records with a practice address in Louisiana. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 49% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2006 · median 2010 among the 653 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 emergency medicine physician records list a practice address in Hammond
They are 36 of the 1,766 NPPES records with a practice address in Hammond, and 1,000 emergency medicine physician records in Louisiana.
All 1,000 in Louisiana → Every provider in Hammond → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Dewey Blackwell, MDHammond, LA 704031639101850
- Brandon Cambre, MDHammond, LA 704031346272440
- Shaun Carpenter, M.D.Hammond, LA 704031376574921
- Michael Christner, MDHammond, LA 704031912939026
- Helen Gaines, MDHammond, LA 704031801825757
- John Guidry, MDHammond, LA 704031770515736
- Michael Harlan, MDHammond, LA 704031558390310
- Douglas Hill, MDHammond, LA 704031366474348
Common questions
What is Alyssa Colleen Lyon, M.D.'s NPI number?
Alyssa Colleen Lyon, M.D.'s National Provider Identifier (NPI) is 1538350996, issued on Aug 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alyssa Colleen Lyon, M.D. located?
The NPPES record lists a practice address at 15790 Paul Vega MD Dr, Hammond, LA, 70403. Phone: (985) 230-1682. Providers update this record themselves, so call before visiting.
How can I verify Alyssa Colleen Lyon, M.D.'s license?
NPPES lists Louisiana license number MD.201761, 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 Alyssa Colleen Lyon, M.D. prescribe under Medicare Part D?
In 2024, Alyssa Colleen Lyon, M.D. had 739 Medicare Part D claims for 432 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.