John J. Ratey, M.D.
Psychiatry Physician · Cambridge, MA
John J. Ratey, M.D. is a psychiatry physician with a practice address in Cambridge, Massachusetts, and NPI 1417094756, issued on Jan 30, 2007. Check the license (Massachusetts 41412, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John J. Ratey
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 41412 MA
G88685 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Rogers St Apt 903, Cambridge, MA 02142
- Phone
- (617) 501-5769
- Enumerated
- Jan 30, 2007
- Record last updated
- Jan 5, 2022
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,736 in Massachusetts → Look up another NPI →
Verify John J. Ratey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 41412Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average psychiatry physician in 2024
104 Medicare Part D claims for 14 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Desipramine Hcl15 claims
- Escitalopram Oxalate14 claims
- Dextroamphetamine-Amphet Er12 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.
John J. Ratey among 2,736 psychiatry physician records in Massachusetts
John J. Ratey, 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 2007, is newer than 49% of them.
- NPI issued2007 · 49% of these records are older, 37% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2022 · 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).
213 psychiatry physician records list a practice address in Cambridge
They are 213 of the 5,145 NPPES records with a practice address in Cambridge, and 2,736 psychiatry physician records in Massachusetts.
All 2,736 in Massachusetts → Every provider in Cambridge → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Andrew Fuller, M.D.Cambridge, MA 021421730478728
- Ana Maria Rizzuto, M.D.Cambridge, MA 021421376590166
- Henry Schniewind, M.D.Cambridge, MA 021421326185661
- Chris Babbage, M.D.Cambridge, MA 021411134350481
- Pedro Bonilla, MDEast Cambridge, MA 021411215951934
- Jon Boyd, M.D., PH.D.Somerville, MA 021431932140258
- Kenneth Scott Duckworth, M.D.Cambridge, MA 021411225172919
- Robert Dunn, M.D.Somerville, MA 021431174639090
Common questions
What is John J. Ratey, M.D.'s NPI number?
John J. Ratey, M.D.'s National Provider Identifier (NPI) is 1417094756, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John J. Ratey, M.D. located?
The NPPES record lists a practice address at 10 Rogers St Apt 903, Cambridge, MA, 02142. Phone: (617) 501-5769. Providers update this record themselves, so call before visiting.
How can I verify John J. Ratey, M.D.'s license?
NPPES lists Massachusetts license number 41412, 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 John J. Ratey, M.D. prescribe under Medicare Part D?
In 2024, John J. Ratey, M.D. had 104 Medicare Part D claims for 14 beneficiaries; 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.