Lisa A. Thayer, M.D.
Pediatrics Physician · Watertown, MA
Lisa A. Thayer, M.D. is a pediatrics physician with a practice address in Watertown, Massachusetts, and NPI 1073593299, issued on Jan 23, 2006. Check the license (Massachusetts 155172, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Lisa A. Thayer
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 155172 MA
Self-reported in NPPES; status is on the state search - Practice location
- 485 Arsenal St, Watertown, MA 02472
- Phone
- (617) 972-5570
- Enumerated
- Jan 23, 2006
- Record last updated
- Mar 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (617) 972-5593
- Medicaid ID
- 3189732 MA
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 2,628 in Massachusetts → Look up another NPI →
Also registered at 485 Arsenal St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Allen, PHARMD, CDCES, BCACPAmbulatory Care Pharmacist1285890566
- Nicole Allie, PHARMD, CGPGeriatric Pharmacist1104933936
- Ehsan Azimi, M.D.Internal Medicine Physician1437475829
- Olivia Bass, NPFamily Nurse Practitioner1669209664
- Mark Bauer, M.D.Internal Medicine Physician1487625307
- Edward Bauman, PSYDPsychologist1174575674
Verify Lisa A. Thayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 155172Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average pediatrics physician in 2024
23 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Lisa A. Thayer among 2,628 pediatrics physician records in Massachusetts
Lisa A. Thayer, M.D. is one of 2,628 pediatrics physician records with a practice address in Massachusetts. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileNo · 12% of these records are
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 pediatrics physician records list a practice address in Watertown
They are 9 of the 873 NPPES records with a practice address in Watertown, and 2,628 pediatrics physician records in Massachusetts.
All 2,628 in Massachusetts → Every provider in Watertown → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Shirley Gonzalez, MDWatertown, MA 024721366438616
- Marianne Khoury, M.D.Watertown, MA 024721255319430
- Teresa Kohlenberg, M.D.Watertown, MA 024721689715658
- Susan Liu, MDWatertown, MA 024721033641774
- Kathleen Mitchell, M.D.Watertown, MA 024721164402269
- Amanda NelsonWatertown, MA 024721639706559
- Daniel Slater, M.D.Watertown, MA 024721518947282
- Aida Yavshayan, MDWatertown, MA 024721457326803
Common questions
What is Lisa A. Thayer, M.D.'s NPI number?
Lisa A. Thayer, M.D.'s National Provider Identifier (NPI) is 1073593299, issued on Jan 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lisa A. Thayer, M.D. located?
The NPPES record lists a practice address at 485 Arsenal St, Watertown, MA, 02472. Phone: (617) 972-5570. Providers update this record themselves, so call before visiting.
How can I verify Lisa A. Thayer, M.D.'s license?
NPPES lists Massachusetts license number 155172, 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 Lisa A. Thayer, M.D. prescribe under Medicare Part D?
In 2024, Lisa A. Thayer, M.D. had 23 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.