Cathy Richardson Schen, M.D.
Psychiatry Physician · Sudbury, MA
Cathy Richardson Schen, M.D. is a psychiatry physician with a practice address in Sudbury, Massachusetts, and NPI 1609940931, issued on Nov 20, 2006. Check the license (Massachusetts 59021, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Cathy Richardson Schen
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 59021 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1073 Concord RD, Sudbury, MA 01776
- Phone
- (978) 369-8346
- Enumerated
- Nov 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Verify Cathy Richardson Schen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 59021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
23 Medicare Part D claims, 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.
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.
Cathy Richardson Schen among 2,736 psychiatry physician records in Massachusetts
Cathy Richardson Schen, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 51% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2007 · 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).
6 psychiatry physician records list a practice address in Sudbury
They are 6 of the 281 NPPES records with a practice address in Sudbury, and 2,736 psychiatry physician records in Massachusetts.
All 2,736 in Massachusetts → Every provider in Sudbury → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- William Barnard, M.D.Sudbury, MA 017761194016345
- Morgan Brooks, PHD, MDSudbury, MA 017761235699711
- Casandra Gale, DNP, PMHNPSudbury, MA 017761598553752
- Marcus Goldman, M.D.Sudbury, MA 017761023022639
- Edward Hallowell, M.D.Sudbury, MA 017761184661365
- Arthur Miller, M.D.Stow, MA 017751881721769
- Ronald Abramson, M.D.Wayland, MA 017781326045022
- Charles Carl, MDWayland, MA 017781891729505
Common questions
What is Cathy Richardson Schen, M.D.'s NPI number?
Cathy Richardson Schen, M.D.'s National Provider Identifier (NPI) is 1609940931, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cathy Richardson Schen, M.D. located?
The NPPES record lists a practice address at 1073 Concord RD, Sudbury, MA, 01776. Phone: (978) 369-8346. Providers update this record themselves, so call before visiting.
How can I verify Cathy Richardson Schen, M.D.'s license?
NPPES lists Massachusetts license number 59021, 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 Cathy Richardson Schen, M.D. prescribe under Medicare Part D?
In 2024, Cathy Richardson Schen, M.D. had 23 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.