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Active NPI 1023384336 Individual Practitioner Male Practitioner

Dr. Manuel J Diaz , MD

Internal Medicine • Columbus, OH

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Manuel Diaz, MD is a certified Internal Medicine practicing in Columbus, OH. With approximately 14 years of clinical experience since completing medical education in 2012, Dr. Diaz delivers high-quality medical care to the local community at 410 W 10TH AVE.

Dr. Diaz is affiliated with Warren Clinic Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include follow-up hospital inpatient care per day, subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

410 W 10th Ave

Columbus, OH 432101240

Telephone 6146852705
Fax 6146855789
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2012

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Columbus, OH

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
14 Yrs -4.2 yrs vs City Avg
City Avg: 18.2 Yrs
State Avg: 26.9 Yrs
Regional Practice Density
596 Specialists

Practicing in Columbus, OH (5516 Statewide)

Telehealth Adoption Rate
15.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
74.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Diaz (14 Years) 14 Yrs
Columbus Specialty Average (18.2 Years) 18.2 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2020)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes
31 11 $156.00 $39.56

Medical Specialties & State Licenses

CMS Verified: 2025-10-30
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License OH 35C.001135

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License OK 45927

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License CO DR.0056688

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License CO CDRH0056688

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

Warren Clinic Inc

6161 S Yale Ave, Tulsa, OK 741361902

Phone: 9185024720

Secondary Practice Locations

3827 N Lafayette St

Denver, CO 802053339

Phone: 7204007434

6161 S Yale Ave

Tulsa, OK 741361902

Phone: 9185021900

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners
Wynneerann Barnhart , PA-C

Physician Assistant

NPI 1619219672

Physician Assistant (Certified)

NPI 1912324823

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

18 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 30, 2025

Internal Medicine (License #45927 in OK)

📍
Updated Practice Location March 27, 2024

Registered at 410 W 10TH AVE, COLUMBUS, OH 432101240 (Tel: 6146852705)

📍
Updated Business Mailing Address March 27, 2024

Registered at 700 ACKERMAN RD STE 2120, COLUMBUS, OH 432021559 (Tel: 6146852705)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 27, 2024

Internal Medicine (License #CDRH0056688 in CO)

📍
Updated Practice Location February 24, 2022

Registered at 3827 N LAFAYETTE ST, DENVER, CO 802053339 (Tel: 7204007434)

📍
Updated Business Mailing Address February 24, 2022

Registered at 3827 N LAFAYETTE ST, DENVER, CO 802053339 (Tel: 7204007434)

📍
Updated Business Mailing Address November 19, 2018

Registered at PO BOX 110429, AURORA, CO 800420429 (Tel: 3034937000)

NPI Profile Active February 07, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location February 07, 2017

Registered at 12401 E 17TH AVE, MAIL STOP F782, AURORA, CO 800452548 (Tel: 7208488525)

📍
Updated Business Mailing Address February 07, 2017

Registered at 12401 E 17TH AVE, MAIL STOP F782, AURORA, CO 800452548 (Tel: 7208488525)

👤
Provider Name / Credentials Updated February 07, 2017

Recorded as MANUEL DIAZ, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 07, 2017

Hospitalist (License #DR.0056688 in CO)

NPI Profile Active March 30, 2012

NPI status registered as active in NPPES database

📍
Updated Practice Location March 30, 2012

Registered at 505 PARNASSUS AVE, ROOM 987, SAN FRANCISCO, CA 941432204 (Tel: 8479121287)

📍
Updated Business Mailing Address March 30, 2012

Registered at 65 DEVONSHIRE CIR, ELGIN, IL 601231247 (Tel: 8479121287)

👤
Provider Name / Credentials Updated March 30, 2012

Recorded as MANUEL DIAZ, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 30, 2012

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 30, 2012

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1023384336
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 30, 2012
Last Update: October 30, 2025
Sole Proprietor: No

Mailing Address

700 Ackerman Rd Ste 2120

Columbus, OH 432021559

Phone: 6146852705

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.