Robert D. Patterson, MD
Research Study Specialist · Lexington, MA
Robert D. Patterson, MD is a research study specialist with a practice address in Lexington, Massachusetts, and NPI 1265400964, issued on Mar 9, 2006. Check the license (Massachusetts 28842, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert D. Patterson
- Credential
- MD
- Primary taxonomy
- Research Study Specialist 1744R1102X
- License number
- 28842 MA
Self-reported in NPPES; status is on the state search - Practice location
- 21 Blossom St, Lexington, MA 02421
- Phone
- (617) 510-1318
- Enumerated
- Mar 9, 2006
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20051208000291); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1964
- Entity
- Type 1 · individual
8 nearest research study specialist records → All 25 in Massachusetts → Look up another NPI →
Verify Robert D. Patterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 28842Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average research study specialist in 2024
99 Medicare Part D claims, against an average of 309 among the 12 providers of this specialty who prescribed in Part D.
Most prescribed
- Clozapine15 claims
- Clonazepam13 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.
Robert D. Patterson among 25 research study specialist records in Massachusetts
Robert D. Patterson, MD is one of 25 research study specialist records with a practice address in Massachusetts. 8% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 4% of these records are
- Record last updated2026 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1744R1102X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Research Study Specialist providers in Massachusetts
There are 25 research study specialist records in Massachusetts.
All 25 in Massachusetts → Every provider in Lexington → Research Study Specialist nationwide →
The 8 research study specialist records with the nearest ZIP codes
- Nancy Kivel, M.D.Waltham, MA 024511821321530
- Leslie Zebrowitz, PH.D.Waltham, MA 024531033585245
- Lorianne Masuoka, M.D.Chestnut Hill, MA 024671790169100
- Rinah Yamamoto, PH.D.Belmont, MA 024781730523960
- Christopher Chen, MDBoston, MA 022151164367314
- Seyed Reza Saadat Mostafavi, MDBoston, MA 022151366251514
- Jean-Francois Caubet, MDCambridge, MA 021381093311102
- Tyler Broadfield, MSBoston, MA 021301538015441
Common questions
What is Robert D. Patterson, MD's NPI number?
Robert D. Patterson, MD's National Provider Identifier (NPI) is 1265400964, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert D. Patterson, MD located?
The NPPES record lists a practice address at 21 Blossom St, Lexington, MA, 02421. Phone: (617) 510-1318. Providers update this record themselves, so call before visiting.
How can I verify Robert D. Patterson, MD's license?
NPPES lists Massachusetts license number 28842, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Robert D. Patterson, MD prescribe under Medicare Part D?
In 2024, Robert D. Patterson, MD had 99 Medicare Part D claims; the average among research study specialist prescribers was 309. 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.