Active NPI 1255329561 Individual Practitioner Male Practitioner

Dr. Warren William Simi , MD

Internal Medicine • Houston, TX

Professional Overview & Biography Verified Profile Summary

Dr. Warren Simi, MD is a registered healthcare professional specializing in Internal Medicine in Houston, TX. Practice services are available at 4126 SOUTHWEST FWY under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, urinalysis, manual test, insertion of needle into vein for collection of blood sample. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4126 Southwest Fwy
Ste 400

Houston, TX 770277310

Telephone 7134791100

Fax 7136226910

Associated Practice Facility / Clinic

🏢 Summit Anesthesia, Pa Facility NPI 1972535243

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Houston, TX

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 21.2 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

1569 Specialists

Practicing in Houston, TX (9538 Statewide)

Telehealth Adoption Rate

20.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

20.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	51	40	$161.82	$127.92
99213 Established patient office or other outpatient visit, typically 15 minutes	27	22	$104.00	$89.39
81002 Urinalysis, manual test	22	20	$12.00	$3.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	91	58	$162.87	$128.78
99213 Established patient office or other outpatient visit, typically 15 minutes	71	41	$106.34	$90.83
36415 Insertion of needle into vein for collection of blood sample	62	49	$15.00	$8.40
81002 Urinalysis, manual test	36	35	$12.00	$3.41
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	23	20	$35.00	$23.59
G0008 Administration of influenza virus vaccine	13	13	$25.00	$24.50
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	13	13	$71.15	$33.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	109	62	$164.43	$129.92
36415 Insertion of needle into vein for collection of blood sample	67	52	$15.00	$2.97
99213 Established patient office or other outpatient visit, typically 15 minutes	58	41	$102.48	$90.49
81002 Urinalysis, manual test	26	26	$12.00	$3.45
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	21	19	$35.00	$24.03
G0008 Administration of influenza virus vaccine	18	18	$25.00	$24.50
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	17	17	$64.12	$31.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	116	69	$165.90	$133.13
36415 Insertion of needle into vein for collection of blood sample	98	57	$15.00	$2.98
99213 Established patient office or other outpatient visit, typically 15 minutes	84	51	$102.89	$91.93
81002 Urinalysis, manual test	46	44	$12.00	$3.48
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	27	24	$35.00	$22.79
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	14	14	$150.00	$137.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	87	66	$162.86	$111.38
99213 Established patient office or other outpatient visit, typically 15 minutes	74	49	$100.61	$77.35
36415 Insertion of needle into vein for collection of blood sample	68	46	$15.00	$2.98
99441 Telephone medical discussion with physician, 5-10 minutes	32	26	$125.00	$45.52
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	28	22	$35.00	$23.82
81002 Urinalysis, manual test	23	22	$12.00	$3.46
99442 Telephone medical discussion with physician, 11-20 minutes	16	14	$166.00	$77.46
93000 Routine ekg using at least 12 leads including interpretation and report	11	11	$68.00	$17.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	182	78	$101.73	$75.33
36415 Insertion of needle into vein for collection of blood sample	124	78	$15.00	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	73	59	$161.19	$110.40
81002 Urinalysis, manual test	43	39	$12.00	$3.41
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	42	31	$35.00	$23.07
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	20	20	$150.00	$117.41
93000 Routine ekg using at least 12 leads including interpretation and report	20	20	$68.00	$17.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	216	91	$99.63	$69.68
36415 Insertion of needle into vein for collection of blood sample	127	87	$15.00	$2.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	102	72	$160.80	$101.35
81002 Urinalysis, manual test	57	52	$12.00	$3.41
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	40	30	$36.25	$19.72
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	21	21	$150.00	$111.37
93000 Routine ekg using at least 12 leads including interpretation and report	13	13	$68.00	$16.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	187	102	$101.49	$68.07
36415 Insertion of needle into vein for collection of blood sample	120	85	$15.00	$2.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	99	74	$133.10	$100.92
81002 Urinalysis, manual test	34	32	$12.00	$3.43
Q2037 Influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (fluvirin)	25	25	$55.80	$17.34
G0008 Administration of influenza virus vaccine	24	24	$25.00	$24.50
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	20	20	$150.00	$103.33
93000 Routine ekg using at least 12 leads including interpretation and report	20	19	$68.00	$16.07
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	12	11	$35.00	$19.20

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX D 9661

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 - Pulmonary Disease

NUCC Taxonomy Code: 207RP1001X

State License TX D 9661

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Practice Associates & Co-Workers

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

2 Associated Practitioners

Ileana Tsai , PA-C

Physician Assistant - Medical

NPI 1154653020

Physician Assistant (Certified)

Dr. Peter Chang , MD, PhD

Internal Medicine - Cardiovascular Disease

NPI 1285623009

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active December 11, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location December 11, 2007

Registered at 4126 SOUTHWEST FWY, STE 400, HOUSTON, TX 770277310 (Tel: 7134791100)

📍

Updated Business Mailing Address December 11, 2007

Registered at 4126 SOUTHWEST FWY, STE 400, HOUSTON, TX 770277310 (Tel: 7134791100)

👤

Provider Name / Credentials Updated December 11, 2007

Recorded as WARREN SIMI, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 11, 2007

Internal Medicine (License #D 9661 in TX)

🟢

Initial NPI Registration & Enumeration October 11, 2005

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: 1255329561

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 11, 2005

Last Update: December 11, 2007

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

4126 Southwest Fwy, Ste 400

Houston, TX 770277310

Phone: 7134791100

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.