Doctor profile · Federal record

Dr. James Leu, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Internal Medicine) · Endocrinology, Diabetes & Metabolism Physician · Wyomissing, PA

  • NPI 1841453677
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1991 State Hill RD
Wyomissing, PA 196101648
(484) 628-4270
fax (484) 628-4261
Additional location
330 Ratzer RD D17
Wayne, NJ 074707704
(973) 820-5792
Mailing address
5 Bitola Dr
Wayne, NJ 074705559

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
November 10, 2020
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
Pennsylvania #MD471459 · New Jersey #25MA08383200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841453677. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
587
Distinct HCPCS
10
Medicare allowed
$57,917
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 124 99 $121
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 98 64 $76
99214 Established patient office or other outpatient visit, 30-39 minutes 71 70 $94
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 68 66 $125
99213 Established patient office or other outpatient visit, 20-29 minutes 45 41 $86
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 39 38 $167
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 38 27 $48
76536 Ultrasound scan of head and neck soft tissue 27 27 $106
83036 Hemoglobin a1c level 17 17 $10
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $159

In context: peer comparison

Among 2 peers in Wyomissing Endocrinology, Diabetes & Metabolism Physician, average services per provider: 46. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,071
Patients
246
Total drug cost
$187,987
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 306 93 $4,816
Methimazole Generic 203 54 $2,174
Synthroid (Levothyroxine Sodium) Brand 116 32 $10,197
Alendronate Sodium Generic 81 20 $1,023
Metformin Hcl Generic 68 20 $611
Hydrocortisone Generic 58 13 $3,017
Metformin Hcl ER (Metformin Hcl) Brand 50 14 $1,029
Ozempic (Semaglutide) Brand 37 0 $54,571
Novolog Flexpen (Insulin Aspart) Brand 25 0 $32,233
Cinacalcet Hcl Generic 23 0 $33,063

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Leu's medical specialty?
Dr. James Leu practices Endocrinology, Diabetes & Metabolism Physician in Wyomissing, PA.
Where does Dr. James Leu practice?
Dr. James Leu practices at 1991 State Hill RD, Wyomissing, PA 196101648. Office phone: 4846284270.
What is Dr. James Leu's NPI?
Dr. James Leu's National Provider Identifier (NPI) is 1841453677, issued by NPPES.
Does Dr. James Leu accept Medicare assignment?
Yes. Dr. James Leu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Leu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.