Adam Lau, MD
Psychiatry Physician · Greenfield, MA
Adam Lau, MD is a psychiatry physician with a practice address in Greenfield, Massachusetts, and NPI 1649415530, issued on Dec 8, 2008. Check the license (Massachusetts 265119, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Adam Lau
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 265119 MA
259106 NY
Self-reported in NPPES; status is on the state search - Practice location
- 164 High Street, Greenfield, MA 01301
- Phone
- (413) 773-2595
- Enumerated
- Dec 8, 2008
- Entity
- Type 1 · individual
Also registered at 164 High Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ivan Chavarria-Siles, M.D.Psychiatry Physician1316212780
- Jennifer Fyler, MDPsychiatry Physician1538194089
- Theodore Lefer, M.D.Family Medicine Physician1578822748
- Cynthia Lodding, MDEmergency Medicine Physician1346456688
- Aiswerya Madanam Sampath, MDInternal Medicine Physician1770848657
- Jose Rivadeneira Argudo, MDInternal Medicine Physician1952821647
Verify Adam Lau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 265119Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
3.0 times the Medicare Part D claims of the average psychiatry physician in 2024
2,955 Medicare Part D claims for 213 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Quetiapine Fumarate226 claims
- Clonazepam179 claims
- Gabapentin164 claims
- Lorazepam162 claims
- Lamotrigine149 claims
- Trazodone Hcl148 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 practice group's Medicare quality score for 2023: 96.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 4 group practices
- Baystate Medical Practices IncGreenfield, MA
- Clinical And Support Options, IncNorthampton, MA
- Cooley Dickinson Hospital IncNorthampton, MA
- Holyoke Medical Center IncHolyoke, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Psychiatry Physician providers in Massachusetts
There are 2,736 psychiatry physician records in Massachusetts.
Other psychiatry physician records in Massachusetts
- Karen Abdool, M.D., PH.DLynn, MA1942472824
- Harmony Abejuela, M.D.Quincy, MA1316259492
- Marielle Abell, PAAmherst, MA1275644072
- Steven Ablon, MDBoston, MA1083604839
- Keith Ablow, M.D.Newbury, MA1245423615
- Yousef Abou-Allaban, MDWalpole, MA1922040666
- Habiba Abozeid, MDBoston, MA1689408346
- Margarita Abramovich, MDPittsfield, MA1154883239
- Howard Abrams, MDSalem, MA1821102773
- David Abramson, MDCambridge, MA1376679787
Common questions
What is Adam Lau, MD's NPI number?
Adam Lau, MD's National Provider Identifier (NPI) is 1649415530, issued on Dec 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Adam Lau, MD located?
The NPPES record lists a practice address at 164 High Street, Greenfield, MA, 01301. Phone: (413) 773-2595. Providers update this record themselves, so call before visiting.
How can I verify Adam Lau, MD's license?
NPPES lists Massachusetts license number 265119, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Adam Lau, MD prescribe under Medicare Part D?
In 2024, Adam Lau, MD had 2,955 Medicare Part D claims for 213 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Adam Lau, MD's Medicare quality score?
The 2023 MIPS final score is 96.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.