1. Home
  2. Directory
  3. Massachusetts
  4. Lexington
  5. Specialist
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

ROBERT D PATTERSON MD
NPI 1265400964
Specialist - Research Study in Lexington, MA

Active since March 09, 2006PECOS Enrolled
21 BLOSSOM ST, LEXINGTON, MA 02421(617) 510-1318 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Robert D Patterson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT D PATTERSON MD (NPI 1265400964) is an individual research study provider in Lexington, Massachusetts, licensed in Massachusetts (28842) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1964).

NPPES Registry Identity

NPI1265400964
Entity TypeIndividualMale
Primary Taxonomy1744R1102X
Provider Legal NameROBERT D PATTERSONCredential: MD
Location Address21 BLOSSOM STLexington, MA 02421-8103
Mailing Address21 Blossom StLexington, MA 02421-8103 · (617) 510-1318
Phone(617) 510-1318
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 1964
Enumeration DateMarch 9, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1265400964 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySpecialist · Research StudyOther Service Providers
Taxonomy Code1744R1102X
License✔ Licensed in MA · 28842
Also ListedSpecialistTaxonomy 174400000X · License 28842 (MA)
21 BLOSSOM ST, Lexington, MA 02421
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Robert D Patterson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9739100546
PECOS Enrollment IDI20051208000291
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Frequently Asked Questions

What is Robert Patterson's NPI number?

The NPI number assigned to this healthcare provider is 1265400964, enumerated as an "individual" on March 09, 2006.

Where is the provider located?

The provider is located at 21 BLOSSOM ST LEXINGTON, MA 02421 and the phone number is (617) 510-1318.

What is the provider's specialty?

Specialist with taxonomy code 1744R1102X and a focus in Research Study.

What insurance does Robert Patterson accept?

The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield and Harvard. Please consult your insurance carrier or call the provider to verify.