Doctor profile · Federal record

Dr. Julie Lemaire Rein, M.D.

Internal Medicine Physician (CMS: Hospitalist) · Weston, MA

  • NPI 1811030216
  • Accepts Medicare
  • 27 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Newton-Wellesely Primary Care, 45 Colpitts Road
Weston, MA 02493
(781) 642-8877
Mailing address
184 Kirkland Dr
Stow, MA 017751079

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #213814

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811030216. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
130
Distinct HCPCS
2
Medicare allowed
$19,268
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 102 101 $138
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 28 28 $184

In context: peer comparison

Among 3 peers in this city , average services per provider: 468. This provider delivers 0.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Julie Lemaire Rein's medical specialty?
Dr. Julie Lemaire Rein practices Internal Medicine Physician in Weston, MA.
Where does Dr. Julie Lemaire Rein practice?
Dr. Julie Lemaire Rein practices at Newton-Wellesely Primary Care, Weston, MA 02493. Office phone: 7816428877.
What is Dr. Julie Lemaire Rein's NPI?
Dr. Julie Lemaire Rein's National Provider Identifier (NPI) is 1811030216, issued by NPPES.
Does Dr. Julie Lemaire Rein accept Medicare assignment?
Yes. Dr. Julie Lemaire Rein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julie Lemaire Rein commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.