Doctor profile · Federal record

Dr. Joanna Klubo-Gwiezdzinska, MD, PHD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Student in an Organized Health Care Education/Training Program · Bethesda, MD

  • NPI 1912237058
  • Accepts Medicare
  • MIPS 86.8 / 100 · 2023
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
NIH Niddk Building 10 Crc 10 Center Dr
Bethesda, MD 208921613
(240) 688-3589

Credentials & registration

NPPES · NUCC
NPI registered
January 2010 — 16 yrs on file
Profile last updated
May 15, 2023
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
District of Columbia #MD043529

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912237058. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
93
Distinct HCPCS
2
Medicare allowed
$9,821
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 52 25 $86
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 41 24 $130

In context: peer comparison

Among 6 peers in this city , average services per provider: 69. This provider delivers 1.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Joanna Klubo-Gwiezdzinska's medical specialty?
Dr. Joanna Klubo-Gwiezdzinska practices Endocrinology, Diabetes & Metabolism Physician in Bethesda, MD.
Where does Dr. Joanna Klubo-Gwiezdzinska practice?
Dr. Joanna Klubo-Gwiezdzinska practices at NIH Niddk Building 10 Crc 10 Center Dr, Bethesda, MD 208921613. Office phone: 2406883589.
What is Dr. Joanna Klubo-Gwiezdzinska's NPI?
Dr. Joanna Klubo-Gwiezdzinska's National Provider Identifier (NPI) is 1912237058, issued by NPPES.
Does Dr. Joanna Klubo-Gwiezdzinska accept Medicare assignment?
Yes. Dr. Joanna Klubo-Gwiezdzinska accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joanna Klubo-Gwiezdzinska commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.