Doctor profile · Federal record

Dr. Josephine Li, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Boston, MA

  • NPI 1780003806
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
50 Staniford St Ste 340
Boston, MA 021142542
(617) 726-8722

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
June 22, 2020
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Massachusetts #278996

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780003806. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
218
Distinct HCPCS
7
Medicare allowed
$20,209
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 50 39 $140
83036 Hemoglobin a1c level 44 34 $10
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 34 23 $84
99215 Established patient office or other outpatient visit, 40-54 minutes 32 26 $190
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 31 22 $37
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 16 15 $53
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $167

In context: peer comparison

Among 97 peers in Boston Endocrinology, Diabetes & Metabolism Physician, average services per provider: 116. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
111
Patients
14
Total drug cost
$99,486
Drug Type Claims Patients Total cost
Trulicity (Dulaglutide) Brand 56 14 $67,984
Ozempic (Semaglutide) Brand 20 0 $25,823
Metformin Hcl Generic 13 0 $34
Basaglar Kwikpen U-100 (Insulin Glargine,Hum.Rec.Anlog) Brand 11 0 $5,495
Metformin Hcl ER (Metformin Hcl) Brand 11 0 $151

Frequently asked questions

Auto-generated from federal data
What is Dr. Josephine Li's medical specialty?
Dr. Josephine Li practices Endocrinology, Diabetes & Metabolism Physician in Boston, MA.
Where does Dr. Josephine Li practice?
Dr. Josephine Li practices at 50 Staniford St Ste 340, Boston, MA 021142542. Office phone: 6177268722.
What is Dr. Josephine Li's NPI?
Dr. Josephine Li's National Provider Identifier (NPI) is 1780003806, issued by NPPES.
Does Dr. Josephine Li accept Medicare assignment?
Yes. Dr. Josephine Li accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Josephine Li commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.