Active NPI 1154374742 Individual Practitioner Male Practitioner

Dr. Bassem Mazloum , MD

Specialist • San Antonio, TX

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Bassem Mazloum, MD is a certified Specialist practicing in San Antonio, TX. With approximately 39 years of clinical experience since completing medical education in 1987, Dr. Mazloum delivers high-quality medical care to the local community at 8550 DATAPOINT DR.

Dr. Mazloum is affiliated with Gastroenterology Clinic Of San Antonio Pa and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, chronic care management services for two or more chronic conditions, additional, pathology examination of tissue using a microscope, intermediate complexity. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

8550 Datapoint Dr
Suite 200

San Antonio, TX 782293270

Telephone 2106158308

Fax 2106158313

Associated Practice Facility / Clinic

🏢 Gastroenterology Clinic Of San Antonio, P.a. Facility NPI 1053490631

Medicare Profile & Education

Medical School

Other

Graduation Year

1987

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in San Antonio, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

39 Yrs +1.7 yrs vs City Avg

City Avg: 37.3 Yrs

State Avg: 38.0 Yrs

Regional Practice Density

145 Specialists

Practicing in San Antonio, TX (2033 Statewide)

Telehealth Adoption Rate

4.1% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

75.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mazloum (39 Years) 39 Yrs

San Antonio Specialty Average (37.3 Years) 37.3 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	314	206	$150.00	$120.94
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	308	43	$150.00	$45.81
88305 Pathology examination of tissue using a microscope, intermediate complexity	306	104	$125.00	$32.02
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	170	43	$169.51	$59.96
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	78	75	$735.00	$76.31
88342 Special stained specimen slides to examine tissue, initial procedure	67	64	$115.00	$63.33
99442 Telephone medical discussion with physician, 11-20 minutes	48	44	$75.00	$62.60
88341 Special stained specimen slides to examine tissue	47	21	$115.00	$59.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	46	46	$170.00	$105.86
45380 Biopsy of large bowel using an endoscope	45	45	$970.00	$126.75
99213 Established patient office or other outpatient visit, typically 15 minutes	44	41	$100.00	$85.26
88313 Special stained specimen slides to examine tissue including interpretation and report	41	28	$120.00	$63.04
76981 Elastography ultrasound of organ tissue	33	33	$350.00	$97.78
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	30	30	$1250.00	$231.83
45378 Diagnostic exam of large bowel using a flexible endoscope	27	27	$880.00	$170.99
91065 Measurement of hydrogen in breath to test for stomach and bowel symptoms	23	18	$240.00	$68.97
99443 Telephone medical discussion with physician, 21-30 minutes	20	19	$120.00	$96.53
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	16	16	$880.00	$168.04
43249 Balloon dilation of esophagus using an endoscope	12	11	$835.00	$114.57

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	333	207	$150.00	$121.51
88305 Pathology examination of tissue using a microscope, intermediate complexity	306	95	$125.00	$32.90
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	69	65	$735.00	$78.28
99443 Telephone medical discussion with physician, 21-30 minutes	61	53	$131.15	$102.64
88342 Special stained specimen slides to examine tissue, initial procedure	60	57	$115.00	$62.35
45380 Biopsy of large bowel using an endoscope	60	60	$970.00	$166.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	49	49	$170.00	$107.41
88341 Special stained specimen slides to examine tissue	29	20	$115.00	$55.44
91065 Measurement of hydrogen in breath to test for stomach and bowel symptoms	27	25	$240.00	$80.09
88313 Special stained specimen slides to examine tissue including interpretation and report	26	18	$120.00	$66.14
99213 Established patient office or other outpatient visit, typically 15 minutes	24	22	$100.00	$86.79
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	18	12	$110.00	$76.01
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	16	16	$1250.00	$240.18
76981 Elastography ultrasound of organ tissue	16	16	$350.00	$99.82
45378 Diagnostic exam of large bowel using a flexible endoscope	14	14	$880.00	$174.58
99442 Telephone medical discussion with physician, 11-20 minutes	14	13	$82.14	$70.01
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	12	12	$880.00	$173.74
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	11	11	$880.00	$174.00

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	322	198	$150.00	$123.84
88305 Pathology examination of tissue using a microscope, intermediate complexity	261	106	$125.00	$32.61
99213 Established patient office or other outpatient visit, typically 15 minutes	95	78	$100.00	$86.23
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	82	79	$735.00	$81.68
45380 Biopsy of large bowel using an endoscope	58	58	$970.00	$163.15
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	47	47	$170.00	$104.89
88342 Special stained specimen slides to examine tissue, initial procedure	42	40	$115.00	$63.90
91200 Measurement of liver stiffness	28	14	$200.00	$14.85
45378 Diagnostic exam of large bowel using a flexible endoscope	25	25	$880.00	$167.12
91065 Measurement of hydrogen in breath to test for stomach and bowel symptoms	23	20	$240.00	$88.80
88313 Special stained specimen slides to examine tissue including interpretation and report	22	13	$120.00	$66.46
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	19	19	$1250.00	$231.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	268	105	$125.00	$32.39
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	154	126	$150.00	$125.76
99213 Established patient office or other outpatient visit, typically 15 minutes	141	121	$100.00	$89.29
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	74	73	$735.00	$89.98
88313 Special stained specimen slides to examine tissue including interpretation and report	62	38	$120.00	$66.59
45380 Biopsy of large bowel using an endoscope	53	53	$970.00	$139.85
88342 Special stained specimen slides to examine tissue, initial procedure	48	47	$115.00	$67.94
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	36	35	$1250.00	$241.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$170.00	$109.80
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	19	$55.00	$55.01
88341 Special stained specimen slides to examine tissue	16	14	$115.00	$62.70
45378 Diagnostic exam of large bowel using a flexible endoscope	16	16	$880.00	$169.54
43249 Balloon dilation of esophagus using an endoscope	14	13	$835.00	$139.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity	284	113	$125.00	$29.98
99213 Established patient office or other outpatient visit, typically 15 minutes	270	186	$100.00	$72.95
88313 Special stained specimen slides to examine tissue including interpretation and report	145	87	$120.00	$60.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	141	121	$150.00	$105.57
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	114	110	$735.00	$81.88
88342 Special stained specimen slides to examine tissue, initial procedure	88	82	$115.00	$64.50
45380 Biopsy of large bowel using an endoscope	64	64	$970.00	$180.77
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	48	48	$170.00	$105.31
88341 Special stained specimen slides to examine tissue	46	34	$115.00	$61.38
45378 Diagnostic exam of large bowel using a flexible endoscope	24	24	$880.00	$172.76
99442 Telephone medical discussion with physician, 11-20 minutes	22	21	$75.00	$73.65
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	19	$55.00	$44.32
43249 Balloon dilation of esophagus using an endoscope	20	17	$835.00	$130.30
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	16	16	$1250.00	$239.27

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	508	328	$149.91	$104.97
88305 Pathology examination of tissue using a microscope, intermediate complexity	357	155	$125.00	$28.11
88313 Special stained specimen slides to examine tissue including interpretation and report	155	104	$120.00	$55.09
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	136	129	$735.00	$94.12
88342 Special stained specimen slides to examine tissue, initial procedure	106	99	$115.00	$63.68
45380 Biopsy of large bowel using an endoscope	83	81	$970.00	$173.01
88341 Special stained specimen slides to examine tissue	74	49	$115.00	$60.34
99213 Established patient office or other outpatient visit, typically 15 minutes	72	66	$100.00	$71.77
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	71	24	$110.00	$71.69
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	59	59	$170.00	$105.29
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	37	36	$1250.00	$258.21
45378 Diagnostic exam of large bowel using a flexible endoscope	28	26	$880.00	$178.27
91065 Measurement of hydrogen in breath to test for stomach and bowel symptoms	24	24	$240.00	$72.14
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$205.00	$134.86
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	14	14	$880.00	$186.87
88312 Special stained specimen slides to identify organisms including interpretation and report	12	11	$140.00	$69.42
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	11	11	$880.00	$187.15

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	501	330	$150.00	$99.68
88305 Pathology examination of tissue using a microscope, intermediate complexity	368	158	$125.00	$26.83
88313 Special stained specimen slides to examine tissue including interpretation and report	143	88	$120.00	$52.46
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	131	127	$735.00	$92.44
45380 Biopsy of large bowel using an endoscope	105	104	$970.00	$163.16
88342 Special stained specimen slides to examine tissue, initial procedure	82	81	$115.00	$65.60
99213 Established patient office or other outpatient visit, typically 15 minutes	81	74	$100.00	$68.18
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	79	31	$110.00	$68.87
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	61	61	$163.44	$99.60
88341 Special stained specimen slides to examine tissue	52	42	$115.00	$58.02
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	37	37	$1250.00	$247.92
45378 Diagnostic exam of large bowel using a flexible endoscope	24	21	$880.00	$167.40
91065 Measurement of hydrogen in breath to test for stomach and bowel symptoms	18	16	$240.00	$63.47
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	17	17	$880.00	$179.25
88312 Special stained specimen slides to identify organisms including interpretation and report	16	15	$140.00	$60.27
43249 Balloon dilation of esophagus using an endoscope	14	13	$835.00	$138.38
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	14	12	$635.00	$98.07
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	12	12	$880.00	$178.98
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$205.00	$129.27

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	595	357	$150.00	$96.80
88305 Pathology examination of tissue using a microscope, intermediate complexity	487	184	$125.00	$25.77
88313 Special stained specimen slides to examine tissue including interpretation and report	228	129	$120.00	$50.27
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	185	176	$735.00	$87.39
88342 Special stained specimen slides to examine tissue, initial procedure	134	122	$115.00	$59.99
45380 Biopsy of large bowel using an endoscope	128	127	$970.00	$162.43
88341 Special stained specimen slides to examine tissue	93	75	$115.00	$54.49
99213 Established patient office or other outpatient visit, typically 15 minutes	60	54	$100.00	$66.62
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	52	52	$120.00	$98.54
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	50	23	$110.00	$66.85
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	39	38	$1250.00	$237.01
45378 Diagnostic exam of large bowel using a flexible endoscope	27	27	$880.00	$161.66
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	21	21	$880.00	$174.82
88312 Special stained specimen slides to identify organisms including interpretation and report	21	21	$140.00	$62.27
43249 Balloon dilation of esophagus using an endoscope	21	13	$835.00	$139.88
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	20	20	$880.00	$169.91
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$225.00	$187.54
91065 Measurement of hydrogen in breath to test for stomach and bowel symptoms	19	14	$240.00	$64.86

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License TX J3156

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

135784008 (TX)

Hospital & Practice Group Affiliations

Gastroenterology Clinic Of San Antonio Pa

8550 Datapoint Dr, San Antonio, TX 782293440

Gastroenterology Clinic Of San Antonio Pa

8550 Datapoint Dr, San Antonio, TX 782293436

Phone: 2106158308

Practice Associates & Co-Workers

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

14 Associated Practitioners

Kelly Davis , FNP-C

Nurse Practitioner

NPI 1063991800

Family Nurse Practitioner (Certified)

Dr. Gary Gossen , MD

Internal Medicine - Gastroenterology

NPI 1124091079

Doctor of Medicine (M.D.)

Francesca Desire , PA

Physician Assistant

NPI 1174269195

Physician Assistant

Dr. Nicholas Martinez , MD

Internal Medicine - Gastroenterology

NPI 1174843726

Doctor of Medicine (M.D.)

Dr. Victor Zurita , MD

Internal Medicine - Gastroenterology

NPI 1245319995

Doctor of Medicine (M.D.)

Dr. Charles Randall , MD

Internal Medicine - Gastroenterology

NPI 1295814952

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active October 29, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location October 29, 2015

Registered at 8550 DATAPOINT DR, SUITE 200, SAN ANTONIO, TX 782293270 (Tel: 2106158308)

📍

Updated Business Mailing Address October 29, 2015

Registered at 8550 DATAPOINT DR, SUITE 200, SAN ANTONIO, TX 782293270 (Tel: 2106158308)

👤

Provider Name / Credentials Updated October 29, 2015

Recorded as BASSEM MAZLOUM, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 29, 2015

Specialist (License #J3156 in TX)

🟢

Initial NPI Registration & Enumeration May 18, 2006

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: 1154374742

Entity Type:

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

Enumeration Date: May 18, 2006

Last Update: October 29, 2015

Sole Proprietor: No

Update or Correct Profile

Mailing Address

8550 Datapoint Dr, Suite 200

San Antonio, TX 782293270

Phone: 2106158308

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.