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

Efrain Montero Nieves

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1780249771

Efrain Montero Nieves is an Anesthesiology in Westerville, Ohio. Qualified in 2021, 5 years ago. Practices with Osu Observation Medicine, LLC, a 419-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
5
Licensed in
OH
In the registry since
2019
Specialties on file
2
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Practice location Address checks out

500 S Cleveland Ave
Westerville, OH 43081-8971
Phone: (614) 552-0089
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 410 W 10th Ave Fl 1, Columbus, OH 43210-1240 — (614) 293-8487
  • 725 Buckles Ct N, Gahanna, OH 43230-6884 — (614) 552-0089
  • 7333 Smiths Mill Rd, New Albany, OH 43054-9291 — (614) 552-0089
  • 7277 Smiths Mill Rd, New Albany, OH 43054-8195 — (614) 552-0089

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 35.153544 (OH)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1780249771
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 6, 2019
Last updated in NPPESMay 30, 2025
Certification dateMay 30, 2025
Mailing address700 Taylor Rd Ste 200, Gahanna, OH 43230-3318

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Osu Observation Medicine, Llc — 419 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Westerville