Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Mladen Jecmenica, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1619102837

Dr. Mladen Jecmenica, MD is a Gastroenterology in Corona, California. Qualified in 2003, 23 years ago. Practices with Mj Medical Group, Inc, a 2-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California and Pennsylvania.

Years since qualifying
23
Licensed in
CA, PA
In the registry since
2009
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2097 Compton Ave Ste 103
Corona, CA 92881-7289
Phone: (951) 934-0505
Fax: (951) 934-0505
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 5 S Washington Ave, Jermyn, PA 18433-1121 — (570) 230-0019
  • 501 Madison Ave, Scranton, PA 18510-2401 — (570) 343-2383

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD449785 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Hospitalist Physician Taxonomy 208M00000X · Licence MD449785 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD449785 (PA)

Record details

NPI number1619102837
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2009
Last updated in NPPESMarch 17, 2026
Certification dateMarch 17, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Mj Medical Group,Inc. — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Corona