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Active NPI 1386169761 Individual Practitioner Male Practitioner

Dr. Robert Aaron Fischer , MBBS

Internal Medicine • Tyler, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Robert Fischer, MBBS is a certified Internal Medicine practicing in Tyler, TX. With approximately 10 years of clinical experience since completing medical education in 2016, Dr. Fischer delivers high-quality medical care to the local community at 1000 S BECKHAM AVE.

Dr. Fischer maintains professional affiliations with Hunt Memorial Hospital District, Etmc Physician Group, Inc. and accepts Medicare assignment.

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

Practice Location & Contact Primary Location

Practice Address

1000 S Beckham Ave

Tyler, TX 757011908

Telephone 9035905612
Fax 9035356884
Associated Practice Facility / Clinic
🏢 Alex Detwiler, M.d., P.a. Facility NPI 1073601118

Medicare Profile & Education

Medical School

Other

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Tyler, TX

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
10 Yrs -11.1 yrs vs City Avg
City Avg: 21.1 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
148 Specialists

Practicing in Tyler, TX (9538 Statewide)

Telehealth Adoption Rate
9.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
72.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Fischer (10 Years) 10 Yrs
Tyler Specialty Average (21.1 Years) 21.1 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
324 161 $253.01 $75.07
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes
200 99 $476.50 $112.33
99238 Hospital discharge day management, 30 minutes or less
113 110 $261.88 $76.74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
75 72 $887.21 $164.62
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
48 47 $339.94 $123.75
99231 Follow-up hospital inpatient care per day, typically 15 minutes
28 20 $76.39 $47.66
99239 Hospital discharge day management, more than 30 minutes
21 21 $324.57 $109.38

Medical Specialties & State Licenses

CMS Verified: 2026-01-29
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX S4760

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 OH 57.245120

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

Etmc Physician Group, Inc.

1000 S Beckham Ave, Tyler, TX 757011908

Phone: 9035905611

Hunt Memorial Hospital District

4215 Joe Ramsey Blvd E, Greenville, TX 754017852

Phone: 9034085000

Practice Associates & Co-Workers

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

27 Associated Practitioners
Dr. Muhammad Sarwar , MD

Internal Medicine

NPI 1013389030

Doctor of Medicine (M.D.)

Dr. Abdullah Rabah , MD

Internal Medicine

NPI 1083356570

Doctor of Medicine (M.D.)

Michael Chastant , ACNP-BC

Nurse Practitioner - Acute Care

NPI 1083944185

ACNPBC

NPI 1114334752

Doctor of Medicine (M.D.)

Dr. Ilanko Upendran , MD

Internal Medicine

NPI 1124051073

Doctor of Medicine (M.D.)

James Gordon , FNP-C

Nurse Practitioner - Family

NPI 1134121866

Family Nurse Practitioner (Certified)

Career & Practice History Timeline

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

12 Historical Events
📍
Updated Practice Location January 29, 2026

Registered at 1000 S BECKHAM AVE, TYLER, TX 757011908 (Tel: 9035905612)

📍
Updated Business Mailing Address January 29, 2026

Registered at 1000 S BECKHAM AVE, TYLER, TX 757011908 (Tel: 9035905612)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 29, 2026

Internal Medicine (License #57.245120 in OH)

📍
Updated Practice Location December 15, 2023

Registered at 4215 JOE RAMSEY BLVD E, GREENVILLE, TX 754017852 (Tel: 9034085000)

📍
Updated Business Mailing Address December 15, 2023

Registered at 4823 ALLENCREST LN, DALLAS, TX 752447710 (Tel: 9727950037)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 15, 2023

Internal Medicine (License #S4760 in TX)

NPI Profile Active August 07, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location August 07, 2017

Registered at 2351 E 22ND ST, CLEVELAND, OH 441153111 (Tel: 2168616200)

📍
Updated Business Mailing Address August 07, 2017

Registered at 21864 COTTONWOOD DR, ROCKY RIVER, OH 441162327 (Tel: 9727950037)

👤
Provider Name / Credentials Updated August 07, 2017

Recorded as ROBERT FISCHER, MBBS

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

Internal Medicine (License #57.245120 in OH)

🟢
Initial NPI Registration & Enumeration August 07, 2017

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: 1386169761
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 07, 2017
Last Update: January 29, 2026
Sole Proprietor: No

Mailing Address

1000 S Beckham Ave

Tyler, TX 757011908

Phone: 9035905612

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.