Ryan Ying Ming Lam, MD
Hospitalist Physician · Chattanooga, TN
Ryan Ying Ming Lam, MD is a hospitalist physician with a practice address in Chattanooga, Tennessee, and NPI 1366896870, issued on Apr 20, 2016. Check the license (Tennessee 59189, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ryan Ying Ming Lam
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 59189 TN
Self-reported in NPPES; status is on the state search - Practice location
- 975 E 3RD St, Chattanooga, TN 37403
- Phone
- (423) 778-5179
- Enumerated
- Apr 20, 2016
- Record last updated
- Jul 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (423) 778-2108
- Medicare enrollment
- Enrolled (PECOS I20190925001191); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 426 in Tennessee → Look up another NPI →
Also registered at 975 E 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Edwin Abraham, MDAnesthesiology Physician1346469673
- Ndurache Adaba, CRNACertified Registered Nurse Anesthetist1669858056
- Jonathan AdamsRegistered Nurse1093525669
- Kimberly Adkins, PAPhysician Assistant1972600393
- Anthony Aird, M.D.Internal Medicine Physician1457513517
- Sachin Amin, M.D.Hospitalist Physician1154766764
Verify Ryan Ying Ming Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 59189Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average hospitalist physician in 2024
238 Medicare Part D claims for 93 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Gabapentin22 claims
- Prednisone13 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.
The MIPS final score for 2023 (Medicare payment program): 96.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $53.82
3 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 7,324 providers of this specialty with any payment received $494.84 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
- Havely Springs Physician Services PCMurfreesboro, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Ying Ming Lam among 426 hospitalist physician records in Tennessee
Ryan Ying Ming Lam, MD is one of 426 hospitalist physician records with a practice address in Tennessee. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 66% of them.
- NPI issued2016 · 66% of these records are older, 27% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2016 · median 2012 among the 356 with a school on file
- Record last updated2019 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Tennessee
There are 426 hospitalist physician records in Tennessee.
All 426 in Tennessee → Every provider in Chattanooga → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Sachin Amin, M.D.Chattanooga, TN 374031154766764
- Ryan Bode, DOChattanooga, TN 374031588028963
- Jason Horinouchi, MDChattanooga, TN 374031528379435
- Kevin Luce, MDChattanooga, TN 374031487602652
- Robert Mitchell, MDChattanooga, TN 374031952721086
- Timothy Mullican, DOChattanooga, TN 374031215632377
- Gregory Reyes, M.D.Chattanooga, TN 374031659662187
- Sarita Sapkota, MBBS (M.D.)Chattanooga, TN 374031255611760
Common questions
What is Ryan Ying Ming Lam, MD's NPI number?
Ryan Ying Ming Lam, MD's National Provider Identifier (NPI) is 1366896870, issued on Apr 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Ying Ming Lam, MD located?
The NPPES record lists a practice address at 975 E 3RD St, Chattanooga, TN, 37403. Phone: (423) 778-5179. Providers update this record themselves, so call before visiting.
How can I verify Ryan Ying Ming Lam, MD's license?
NPPES lists Tennessee license number 59189, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryan Ying Ming Lam, MD prescribe under Medicare Part D?
In 2024, Ryan Ying Ming Lam, MD had 238 Medicare Part D claims for 93 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Ryan Ying Ming Lam, MD's MIPS final score?
The 2023 MIPS final score is 96.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.