Carl A. Lyss, MD
Internal Medicine Physician · Saint Louis, MO
Carl A. Lyss, MD is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1669452496, issued on Jan 18, 2006. Check the license (Missouri 26531, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Carl A. Lyss
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 26531 MO
Self-reported in NPPES; status is on the state search - Practice location
- 8888 Ladue RD Ste 210, Saint Louis, MO 63124
- Phone
- (314) 290-7455
- Enumerated
- Jan 18, 2006
- Record last updated
- Apr 18, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (314) 725-2651
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 8888 Ladue RD Ste 210
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Laurie Giltner, FNPNurse Practitioner1932584075
- Sukepma Giri, M.DFamily Medicine Physician1700014651
- Benjamin Goldstein, MDInternal Medicine Physician1811919228
- Raffy Gutman, M.D.Family Medicine Physician1861980872
Verify Carl A. Lyss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 26531Check 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
29 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $42.70
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Carl A. Lyss among 2,604 internal medicine physician records in Missouri
Carl A. Lyss, MD is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2013 · 48% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
941 internal medicine physician records list a practice address in Saint Louis
They are 941 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Saint Louis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Terri Carron, MDSaint Louis, MO 631241881636439
- Rochelle Cox, M.D.Saint Louis, MO 631241861441354
- Benjamin Goldstein, MDSaint Louis, MO 631241811919228
- Ehab Kaiser, M.D.Saint Louis, MO 631241205804796
- Lauren Munsch Dal Farra, M.D.Saint Louis, MO 631241447452867
- Delene Musielak, M.D.Saint Louis, MO 631241033348057
- Rajiv Patel, M.D.Saint Louis, MO 631241588604573
- Desirai Rogan, MDSaint Louis, MO 631241982085759
Common questions
What is Carl A. Lyss, MD's NPI number?
Carl A. Lyss, MD's National Provider Identifier (NPI) is 1669452496, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carl A. Lyss, MD located?
The NPPES record lists a practice address at 8888 Ladue RD Ste 210, Saint Louis, MO, 63124. Phone: (314) 290-7455. Providers update this record themselves, so call before visiting.
How can I verify Carl A. Lyss, MD's license?
NPPES lists Missouri license number 26531, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Carl A. Lyss, MD prescribe under Medicare Part D?
In 2024, Carl A. Lyss, MD had 29 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.