Tolam Nguyen, D.O.
Internal Medicine Physician · Lansing, MI
Tolam Nguyen, D.O. is an internal medicine physician with a practice address in Lansing, Michigan, and NPI 1437311339, issued on Jul 1, 2008. Check the license (Michigan 5101017715, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Tolam Nguyen
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 5101017715 MI
510101775 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1540 Lake Lansing RD, Lansing, MI 48912
- Phone
- (517) 913-3810
- Enumerated
- Jul 1, 2008
- Record last updated
- Mar 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (517) 913-3811
- Medicare enrollment
- Enrolled (PECOS I20120712000822); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 1540 Lake Lansing RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashraf Abdullah, MDInternal Medicine Physician1821006594
- Babar Ahmad, MDInternal Medicine Physician1619081684
- Anusuya Babu, MDInternal Medicine Physician1194734806
- Irene Baker, NPNurse Practitioner1033143417
- Karen Bowman, NPNurse Practitioner1417046566
- Cynthia Boynton, M.D.Internal Medicine Physician1013969930
Verify Tolam Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101017715Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $39.58
2 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, 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.
Bills Medicare through one group practice
- Vituity - Michigan Hospitalists PCLansing, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tolam Nguyen among 5,735 internal medicine physician records in Michigan
Tolam Nguyen, D.O. is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 48% of them.
- NPI issued2008 · 48% of these records are older, 49% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 2006 among the 3,564 with a school on file
- Record last updated2021 · 54% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
135 internal medicine physician records list a practice address in Lansing
They are 135 of the 5,276 NPPES records with a practice address in Lansing, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Lansing → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Shahzaman Abbasi, MDLansing, MI 489121376512111
- Ovidiu Batca, MDLansing, MI 489121093761967
- Cynthia Boynton, M.D.Lansing, MI 489121013969930
- James Fletcher, MD, DPMLansing, MI 489121346214467
- Habtamu Handro, M.D.Lansing, MI 489121558316000
- Fred Isaacs, M.D.Lansing, MI 489121487609665
- Carol Lyon, M.D.Lansing, MI 489121982659090
- Harry McCoy, M.D.Lansing, MI 489121003850702
Common questions
What is Tolam Nguyen, D.O.'s NPI number?
Tolam Nguyen, D.O.'s National Provider Identifier (NPI) is 1437311339, issued on Jul 1, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Tolam Nguyen, D.O. located?
The NPPES record lists a practice address at 1540 Lake Lansing RD, Lansing, MI, 48912. Phone: (517) 913-3810. Providers update this record themselves, so call before visiting.
How can I verify Tolam Nguyen, D.O.'s license?
NPPES lists Michigan license number 5101017715, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. 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. 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.