Doctor profile · Federal record

Dr. Roeland Middelbeek, M.D.

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

  • NPI 1508187261
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
330 Brookline Ave, E/Gz
Boston, MA 022155400
(617) 667-9344
Mailing address
1 Joslin Pl
Boston, MA 022155306

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
September 20, 2016
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Massachusetts #244530

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508187261. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
179
Distinct HCPCS
4
Medicare allowed
$16,846
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 108 86 $104
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 40 22 $84
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 20 17 $37
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $138

In context: peer comparison

Among 97 peers in Boston Endocrinology, Diabetes & Metabolism Physician, average services per provider: 116. This provider delivers 1.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
429
Patients
31
Total drug cost
$221,770
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 78 18 $1,485
Trulicity (Dulaglutide) Brand 60 0 $76,674
Metformin Hcl Generic 40 13 $537
Ozempic (Semaglutide) Brand 32 0 $39,621
Alendronate Sodium Generic 30 0 $325
Mounjaro (Tirzepatide) Brand 30 0 $32,205
Testosterone Cypionate Generic 20 0 $393
Jardiance (Empagliflozin) Brand 19 0 $32,993
Metformin Hcl ER (Metformin Hcl) Brand 19 0 $533
Methimazole Generic 18 0 $220

Frequently asked questions

Auto-generated from federal data
What is Dr. Roeland Middelbeek's medical specialty?
Dr. Roeland Middelbeek practices Endocrinology, Diabetes & Metabolism Physician in Boston, MA.
Where does Dr. Roeland Middelbeek practice?
Dr. Roeland Middelbeek practices at 330 Brookline Ave, Boston, MA 022155400. Office phone: 6176679344.
What is Dr. Roeland Middelbeek's NPI?
Dr. Roeland Middelbeek's National Provider Identifier (NPI) is 1508187261, issued by NPPES.
Does Dr. Roeland Middelbeek accept Medicare assignment?
Yes. Dr. Roeland Middelbeek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roeland Middelbeek 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); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251). Source: CMS Medicare Physician & Other Practitioners file.