Kelly Keh Lih Tan, M.D.
Internal Medicine Physician · Long Grove, IL
Kelly Keh Lih Tan, M.D. is an internal medicine physician with a practice address in Long Grove, Illinois, and NPI 1023299799, issued on Nov 21, 2007. Check the license (Illinois 125049167, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Kelly Keh Lih Tan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 125049167 IL
036119745 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3880 Salem Lake Dr, Long Grove, IL 60047
- Phone
- (847) 719-2220
- Enumerated
- Nov 21, 2007
- Record last updated
- Mar 7, 2023
- Fax
- (847) 719-2265
- Medicaid ID
- 036119745 IL
- Medicare enrollment
- Enrolled (PECOS I20090713000015); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2005
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 3880 Salem Lake Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brenda Affinati, M.D.Internal Medicine Physician1326108606
- Mario Affinati, M.D.Internal Medicine Physician1952461238
- Richard Baker, D.O..Internal Medicine Physician1720148000
- Natalie Correia, D.O.Internal Medicine Physician1710058227
- Erin Daly, FNP-BCAdult Health Nurse Practitioner1891240636
- Donna Digloria, APNAdult Health Nurse Practitioner1629260724
Verify Kelly Keh Lih Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 125049167Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,534 Medicare Part D claims for 278 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Atorvastatin Calcium185 claims
- Amlodipine Besylate127 claims
- Levothyroxine Sodium119 claims
- Metoprolol Succinate115 claims
- Furosemide109 claims
- Eliquis94 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: $20.90
1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). 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
- Best Practices Inpatient Care, Ltd.Barrington, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kelly Keh Lih Tan among 7,238 internal medicine physician records in Illinois
Kelly Keh Lih Tan, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 39% of them.
- NPI issued2007 · 39% of these records are older, 55% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2005 · median 2003 among the 3,580 with a school on file
- Record last updated2023 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 internal medicine physician records list a practice address in Long Grove
They are 43 of the 190 NPPES records with a practice address in Long Grove, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Long Grove → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nancy Awadallah, M.D.Long Grove, IL 600471952337172
- Marek Filipiuk, M.D.Long Grove, IL 600471013981778
- Lisa Gulcher, M.D.Lake Zurich, IL 600471992728885
- Khola Hai, MDLong Grove, IL 600471275544009
- Vishnu Jindal, M.D.Long Grove, IL 600471851344766
- David Kanarek, M.D.Long Grove, IL 600471437189842
- Rajeev Kapoor, M.D., M.P.HLake Zurich, IL 600471760445654
- Jeffry Kreamer, D.O.Long Grove, IL 600471225084916
Common questions
What is Kelly Keh Lih Tan, M.D.'s NPI number?
Kelly Keh Lih Tan, M.D.'s National Provider Identifier (NPI) is 1023299799, issued on Nov 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kelly Keh Lih Tan, M.D. located?
The NPPES record lists a practice address at 3880 Salem Lake Dr, Long Grove, IL, 60047. Phone: (847) 719-2220. Providers update this record themselves, so call before visiting.
How can I verify Kelly Keh Lih Tan, M.D.'s license?
NPPES lists Illinois license number 125049167, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kelly Keh Lih Tan, M.D. prescribe under Medicare Part D?
In 2024, Kelly Keh Lih Tan, M.D. had 2,534 Medicare Part D claims for 278 beneficiaries; 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.