NPPES file of Aug 9, 2026

Ernesto S. Lam, M.D.

Internal Medicine Physician · Saint Louis, MO

Ernesto S. Lam, M.D. is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1790875615, issued on Oct 13, 2006. Check the license (Missouri 33184, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790875615
Name
Ernesto S. Lam
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
33184 MO
Self-reported in NPPES; status is on the state search
Practice location
2220 Lemp Ave, Saint Louis, MO 63104
Phone
(314) 814-8688
Enumerated
Oct 13, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(314) 814-8542
Medicaid ID
20021512 MO
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2220 Lemp Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Margaret Baum, M.D.Obstetrics & Gynecology Physician1891724597
  2. Patricia Gregg, RDHDental Hygienist1245582667
  3. Kimberly Henry, NP-CFamily Nurse Practitioner1427407972
  4. Carole Herron, RDN, LDRegistered Dietitian1326977851
  5. Alexis Howell, PHARM.D.Pharmacist1114466240
  6. Anuradha Kotha, M.D.Internal Medicine Physician1437174455

Verify Ernesto S. Lam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 33184    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 941 in Saint Louis → All 2,604 in Missouri → Every provider in Saint Louis →

Other internal medicine physician records in Missouri

  1. Betty Abban, M.D.Springfield, MO1063893162
  2. Amer Abbas, MDSaint Louis, MO1508480666
  3. Fizza Abbas, MDSaint Louis, MO1588079230
  4. Marghoob Abbas, M.D.St Joseph, MO1588603781
  5. Muhammad Khalid Abbas, M.D.Springfield, MO1447877089
  6. Sundas Abbas, MDRichmond Heights, MO1649790486
  7. Hajira Abbasi, DOSaint Louis, MO1194036947
  8. Catey Abbott, DOSaint Louis, MO1699355347
  9. David Abbott, MDRichmond Heights, MO1568448850
  10. Wael Abduljaber, MDSaint Louis, MO1174101489

Common questions

What is Ernesto S. Lam, M.D.'s NPI number?

Ernesto S. Lam, M.D.'s National Provider Identifier (NPI) is 1790875615, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ernesto S. Lam, M.D. located?

The NPPES record lists a practice address at 2220 Lemp Ave, Saint Louis, MO, 63104. Phone: (314) 814-8688. Providers update this record themselves, so call before visiting.

How can I verify Ernesto S. Lam, M.D.'s license?

NPPES lists Missouri license number 33184, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.