Todd Richardson Griswold, M.D.
Psychiatry Physician · Somerville, MA
Todd Richardson Griswold, M.D. is a psychiatry physician with a practice address in Somerville, Massachusetts, and NPI 1457335598, issued on Dec 2, 2005. Check the license (Massachusetts 71702, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Todd Richardson Griswold
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 71702 MA
Self-reported in NPPES; status is on the state search - Practice location
- 26 Central St, Somerville, MA 02143
- Phone
- (617) 591-6187
- Enumerated
- Dec 2, 2005
- Record last updated
- Dec 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060228000219); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Also registered at 26 Central St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Albanese, M.D.Addiction Psychiatry Physician1366475675
- Deidre Alessio, APRNPrimary Care Nurse Practitioner1487721882
- Cassie AponasRegistered Nurse1447813472
- Christine Aquilino, LICSWClinical Social Worker1386714558
- Linda Arnade, M.P.H.Health Educator1003264391
- Herbert BentonClinical Social Worker1518442854
Verify Todd Richardson Griswold in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 71702Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average psychiatry physician in 2024
490 Medicare Part D claims for 27 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Clonazepam69 claims
- Quetiapine Fumarate55 claims
- Trazodone Hcl35 claims
- Lamotrigine32 claims
- Citalopram Hbr28 claims
- Sertraline Hcl19 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 MIPS final score for 2023 (Medicare payment program): 86.3 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 one group practice
- Cambridge Public Health CommissionCambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Todd Richardson Griswold among 2,736 psychiatry physician records in Massachusetts
Todd Richardson Griswold, M.D. is one of 2,736 psychiatry physician records with a practice address in Massachusetts. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated1988 · median 2005 among the 1,219 with a school on file
- Record last updated2011 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Massachusetts
There are 2,736 psychiatry physician records in Massachusetts.
All 2,736 in Massachusetts → Every provider in Somerville → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jon Boyd, M.D., PH.D.Somerville, MA 021431932140258
- Robert Dunn, M.D.Somerville, MA 021431174639090
- Claudia EpelbaumSomerville, MA 021431295848513
- Judith Herman, M.D.Somerville, MA 021431053379909
- Marianne Kardos, M.D.Somerville, MA 021431801853957
- Rebecca Warner, M.D.Somerville, MA 021431770662546
- Leslie Fenn, M.D.Somerville, MA 021441588635163
- Andrew Fuller, M.D.Cambridge, MA 021421730478728
Common questions
What is Todd Richardson Griswold, M.D.'s NPI number?
Todd Richardson Griswold, M.D.'s National Provider Identifier (NPI) is 1457335598, issued on Dec 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Todd Richardson Griswold, M.D. located?
The NPPES record lists a practice address at 26 Central St, Somerville, MA, 02143. Phone: (617) 591-6187. Providers update this record themselves, so call before visiting.
How can I verify Todd Richardson Griswold, M.D.'s license?
NPPES lists Massachusetts license number 71702, 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 Todd Richardson Griswold, M.D. prescribe under Medicare Part D?
In 2024, Todd Richardson Griswold, M.D. had 490 Medicare Part D claims for 27 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Todd Richardson Griswold, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.3 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), 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.