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Dr. Gregory T. Mucha, MD

Endocrinology & Diabetes (Endocrinology, Diabetes & Metabolism Physician)

  • Medicare participating

At a glance

Years since graduation
29
In the NPI registry since
2006
Medicare patients seen, 2024
325

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is

Education and training

  • 1997Medical school: Jefferson Medical College of Thomas Jefferson University
  • 2006Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Endocrinology, Diabetes & Metabolism Physician primary
    MN license 42544

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Endocrinology & Diabetes per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
325
Services billed
19,396
Patients’ average age
69
Most frequent Medicare services, 2023
ServiceTimesPatients
Injection, romosozumab-aqqg, 1 mg7,35017
Injection, denosumab, 1 mg1,02014
Injection, infliximab-abda, biosimilar, (renflexis), 10 mg87013
Insertion of needle into vein for collection of blood sample283181
Established patient office or other outpatient visit, 40-54 minutes186138
Injection of drug or substance under skin or into muscle11039
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less10846
Blood count, hemoglobin9763
Established patient office or other outpatient visit, 30-39 minutes9081
Injection, zoledronic acid, 1 mg5511

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Other Endocrinology & Diabetes clinicians in Saint Paul

Sources

NPI registry (CMS NPPES, November 2026; record last updated May 28, 2021), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1215902119. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.