Active NPI 1114967882 Individual Practitioner Male Practitioner

Dr. Mark Ashley Margolis , MD

Anesthesiology • Dallas, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Margolis, MD is a certified Anesthesiology practicing in Dallas, TX. With approximately 36 years of clinical experience since graduating from Tulane University School Of Medicine in 1990, Dr. Margolis delivers high-quality medical care to the local community at 3300 OAK LAWN AVE.

Dr. Margolis is affiliated with Metropolitan Anesthesia Consultants, Llp and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for procedure on large bowel using an endoscope, anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope, anesthesia for procedure on small and large bowel using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3300 Oak Lawn Ave
Suite 200

Dallas, TX 752194236

Telephone 2142523501

Fax 2142520295

Associated Practice Facility / Clinic

🏢 Metropolitan Anesthesia Consultants, Pa Facility NPI 1669425112

Medicare Profile & Education

Medical School

Tulane University School Of Medicine

Graduation Year

1990

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Dallas, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

36 Yrs +13.3 yrs vs City Avg

City Avg: 22.7 Yrs

State Avg: 24.9 Yrs

Regional Practice Density

1427 Specialists

Practicing in Dallas, TX (4818 Statewide)

Telehealth Adoption Rate

0.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

90.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Margolis (36 Years) 36 Yrs

Dallas Specialty Average (22.7 Years) 22.7 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
00811 Anesthesia for procedure on large bowel using an endoscope	22	22	$1286.47	$119.27
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	19	19	$1225.83	$112.75
00813 Anesthesia for procedure on small and large bowel using an endoscope	19	19	$1445.36	$137.22
00812 Anesthesia for exam of colon using an endoscope	11	11	$1190.21	$94.65
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	11	11	$2960.45	$292.46

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00811 Anesthesia for procedure on large bowel using an endoscope	37	37	$1302.92	$124.40
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	21	21	$1211.04	$117.57
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	14	14	$1365.00	$60.47
00813 Anesthesia for procedure on small and large bowel using an endoscope	12	12	$1618.34	$144.60
01402 Anesthesia for procedure for total knee joint replacement	11	11	$1820.24	$180.15
00840 Anesthesia for procedure in lower abdominal cavity including use of an endoscope	11	11	$2057.60	$202.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	30	30	$1271.66	$125.42
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	22	22	$975.00	$29.92
00811 Anesthesia for procedure on large bowel using an endoscope	22	22	$1313.06	$128.85
01938 Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance	16	16	$1035.94	$102.02
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	15	15	$3133.00	$320.20
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve)	14	14	$1365.00	$50.69
01402 Anesthesia for procedure for total knee joint replacement	14	14	$2137.06	$214.81
64450 Injection of anesthetic agent, other peripheral nerve or branch	13	13	$975.00	$24.92
36620 Insertion of artery tube for blood sampling or infusion through skin	11	11	$585.00	$42.73
00813 Anesthesia for procedure on small and large bowel using an endoscope	11	11	$1573.65	$158.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00811 Anesthesia for procedure on large bowel using an endoscope	17	17	$1296.18	$129.68
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	13	13	$1425.00	$141.88
01992 Anesthesia for nerve block and injection procedure, prone position	12	12	$1300.00	$126.99
00813 Anesthesia for procedure on small and large bowel using an endoscope	12	12	$1673.75	$167.69
36620 Insertion of artery tube for blood sampling or infusion through skin	11	11	$585.00	$43.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
01992 Anesthesia for nerve block and injection procedure, prone position	81	66	$1294.08	$131.18
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	32	31	$1022.59	$105.29
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	30	30	$2707.70	$291.82
00811 Anesthesia for procedure on large bowel using an endoscope	25	24	$1043.17	$106.21
01936 Anesthesia for X-ray procedure (accessed through the skin) on spine and spinal cord	24	24	$1621.99	$169.94
00910 Anesthesia for other procedure on urinary system through urethra	14	14	$783.76	$81.26
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle	14	14	$975.00	$32.49
01480 Anesthesia for open procedure on bones of lower leg, ankle and foot	13	13	$1012.20	$106.00
00813 Anesthesia for procedure on small and large bowel using an endoscope	12	12	$1339.33	$138.72
36620 Insertion of artery tube for blood sampling or infusion through skin	11	11	$582.55	$44.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
01992 Anesthesia for nerve block and injection procedure, prone position	70	68	$1114.80	$114.33
01936 Anesthesia for X-ray procedure (accessed through the skin) on spine and spinal cord	41	35	$1407.46	$154.76
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	29	29	$1130.34	$115.18
00811 Anesthesia for procedure on large bowel using an endoscope	24	24	$1263.75	$134.04
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	20	20	$2238.50	$243.65
36620 Insertion of artery tube for blood sampling or infusion through skin	15	15	$558.00	$45.28
00910 Anesthesia for other procedure on urinary system through urethra	14	13	$881.43	$86.90
00813 Anesthesia for procedure on small and large bowel using an endoscope	12	12	$1448.50	$155.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
01992 Anesthesia for nerve block and injection procedure, prone position	48	45	$924.85	$95.17
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope	39	38	$1155.10	$125.52
00811 Anesthesia for procedure on large bowel using an endoscope	32	32	$1203.81	$131.15
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	20	20	$2762.90	$315.43
00813 Anesthesia for procedure on small and large bowel using an endoscope	17	17	$1591.53	$177.45
00400 Anesthesia for procedure on skin of arms, legs, or trunk	15	15	$1201.20	$128.83
00300 Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back	12	11	$1543.75	$164.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
00142 Anesthesia for lens surgery	38	37	$1066.97	$133.32
00740 Anesthesia for procedure on gastrointestinal tract using an endoscope	25	25	$1208.40	$149.61
01936 Anesthesia for X-ray procedure (accessed through the skin) on spine and spinal cord	24	23	$1272.00	$158.07
00810 Anesthesia for procedure on lower intestine using an endoscope	22	22	$1286.45	$158.61
00790 Anesthesia for procedure in upper abdomen including use of an endoscope	21	21	$2233.57	$285.36
36620 Insertion of artery tube for blood sampling or infusion through skin	11	11	$456.00	$50.79

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License TX M4321

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Hospital & Practice Group Affiliations

Metropolitan Anesthesia Consultants, Llp

6800 Scenic Dr, Rowlett, TX 750884552

Phone: 9724122273

Metropolitan Anesthesia Consultants, Llp

4500 Medical Ctr Dr, Mckinney, TX 750691650

Phone: 9725478000

Metropolitan Anesthesia Consultants, Llp

4700 Alliance Blvd, Plano, TX 750935323

Phone: 4698142000

Metropolitan Anesthesia Consultants, Llp

9440 Poppy Dr, Dallas, TX 752183652

Phone: 2143246100

Practice Associates & Co-Workers

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

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Dr. Michael Kohanski , MD

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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 June 04, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location June 04, 2009

Registered at 3300 OAK LAWN AVE, SUITE 200, DALLAS, TX 752194236 (Tel: 2142523501)

📍

Updated Business Mailing Address June 04, 2009

Registered at 3300 OAK LAWN AVE, SUITE 200, DALLAS, TX 752194236 (Tel: 2142523501)

👤

Provider Name / Credentials Updated June 04, 2009

Recorded as MARK MARGOLIS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 04, 2009

Anesthesiology (License #M4321 in TX)

🟢

Initial NPI Registration & Enumeration June 08, 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: 1114967882

Entity Type:

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

Enumeration Date: June 08, 2006

Last Update: June 04, 2009

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3300 Oak Lawn Ave, Suite 200

Dallas, TX 752194236

Phone: 2142523501

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.