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

Dr. Manuel J Diaz, MD

Individual provider Internal Medicine Physician · NPI 1023384336

Dr. Manuel J Diaz, MD is an Internal Medicine in Columbus, Ohio. Qualified in 2012, 14 years ago. Practices with Warren Clinic Inc, a 772-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Colorado, Ohio and Oklahoma.

Years since qualifying
14
Licensed in
CO, OH, OK
In the registry since
2012
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

410 W 10th Ave
Columbus, OH 43210-1240
Phone: (614) 685-2705
Fax: (614) 685-5789
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 3827 N Lafayette St, Denver, CO 80205-3339 — (720) 400-7434
  • 6161 S Yale Ave, Tulsa, OK 74136-1902 — (918) 502-1900

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 35C.001135 (OH)
Internal Medicine Physician Taxonomy 207R00000X · Licence 45927 (OK)
Hospitalist Physician Taxonomy 208M00000X · Licence DR.0056688 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence CDRH0056688 (CO)

Record details

NPI number1023384336
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2012
Last updated in NPPESOctober 30, 2025
Certification dateOctober 30, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Warren Clinic Inc — 772 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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