David Chia-Yau Lam, MD
Anesthesiology Physician · Worcester, MA
David Chia-Yau Lam, MD is an anesthesiology physician with a practice address in Worcester, Massachusetts, and NPI 1821588344, issued on May 10, 2018. Check the license (Massachusetts 1015238, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- David Chia-Yau Lam
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 1015238 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave N, Worcester, MA 01655
- Phone
- (508) 334-3271
- Enumerated
- May 10, 2018
- Record last updated
- May 10, 2023
- Fax
- (508) 856-5911
- Medicaid ID
- 004322786 CT
- Medicare enrollment
- Enrolled (PECOS I20230518000628); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 2,089 in Massachusetts → Look up another NPI →
Also registered at 55 Lake Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nawal Aamir, MDInternal Medicine Physician1588248926
- Amarys Abadie, CRNACertified Registered Nurse Anesthetist1992936843
- Paula Abate, NPNurse Practitioner1336265909
- Aly AbayazeedDiagnostic Radiology Physician1821221946
- Zainab AbbasDermatology Physician1609028000
- Mary-Alice Abbott, MDClinical Genetics (M.D.) Physician1982799417
Verify David Chia-Yau Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1015238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average anesthesiology physician in 2024
86 Medicare Part D claims for 45 beneficiaries, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Oxycodone Hcl24 claims
- Gabapentin18 claims
- Cephalexin13 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): 97 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: $7,578.61
79 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 17,774 providers of this specialty with any payment received $669.59 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
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Chia-Yau Lam among 2,089 anesthesiology physician records in Massachusetts
David Chia-Yau Lam, MD is one of 2,089 anesthesiology physician records with a practice address in Massachusetts. 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 2018, is newer than 79% of them.
- NPI issued2018 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2018 · median 2008 among the 1,472 with a school on file
- Record last updated2023 · 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 207L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
146 anesthesiology physician records list a practice address in Worcester
They are 146 of the 13,166 NPPES records with a practice address in Worcester, and 2,089 anesthesiology physician records in Massachusetts.
All 2,089 in Massachusetts → Every provider in Worcester → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Richard Breed, MDWorcester, MA 016551194715235
- Elifce Cosar, MDWorcester, MA 016551457341596
- Mark Dershwitz, MDWorcester, MA 016551710977855
- Khaldoun Faris, MDWorcester, MA 016551700876844
- Peter Foley, MDWorcester, MA 016551073503116
- Scott Gonzales, M.D.Worcester, MA 016551770573776
- Farajallah Habib, MDWorcester, MA 016551407846546
- William Hoffman, MDWorcester, MA 016551619968740
Common questions
What is David Chia-Yau Lam, MD's NPI number?
David Chia-Yau Lam, MD's National Provider Identifier (NPI) is 1821588344, issued on May 10, 2018. An NPI identifies a provider in billing; it is not a license.
Where is David Chia-Yau Lam, MD located?
The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 334-3271. Providers update this record themselves, so call before visiting.
How can I verify David Chia-Yau Lam, MD's license?
NPPES lists Massachusetts license number 1015238, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David Chia-Yau Lam, MD prescribe under Medicare Part D?
In 2024, David Chia-Yau Lam, MD had 86 Medicare Part D claims for 45 beneficiaries; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.
What is David Chia-Yau Lam, MD's MIPS final score?
The 2023 MIPS final score is 97 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.