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Active NPI 1679508618 Individual Practitioner Male Practitioner

Dr. Mark R Slack , MD

Anesthesiology • Manassas, VA

Professional Overview & Biography Verified Profile Summary

Dr. Mark Slack, MD is a registered healthcare professional specializing in Anesthesiology in Manassas, VA. Practice services are available at 8700 SUDLEY RD under active NPI credentials.

Frequently performed procedures and clinical services include anesthesia for lens surgery, anesthesia for procedure on large bowel using an endoscope, anesthesia for procedure on esophagus, stomach, and/or upper small 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

8700 Sudley Rd

Manassas, VA 201104418

Telephone 7033698000
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Manassas, VA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 34.2 Yrs
State Avg: 26.1 Yrs
Regional Practice Density
16 Specialists

Practicing in Manassas, VA (1494 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
91.4% 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
00142 Anesthesia for lens surgery
16 16 $1272.22 $106.99
00811 Anesthesia for procedure on large bowel using an endoscope
16 16 $1377.14 $118.79
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope
15 15 $1510.92 $130.66

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License VA 0101044713

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
010094291 (VA)
Commercial Insurance / Payer ID Anthem
191639 (VA)

Practice Associates & Co-Workers

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

40 Associated Practitioners
Sharon Aviles

Behavior Analyst

NPI 1003486762
Dr. Jennifer Kasirsky , MD

Obstetrics & Gynecology

NPI 1003998097

Doctor of Medicine (M.D.)

Dr. Eric Ahlers , MD

Emergency Medicine

NPI 1023452083

Doctor of Medicine (M.D.)

Darlene Lawson

Registered Nurse - Emergency

NPI 1033943402
Dr. Joshua Pleasure , MD

Radiology - Diagnostic Radiology

NPI 1073543609

Doctor of Medicine (M.D.)

NPI 1154062784

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

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

11 Historical Events
NPI Profile Active February 15, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location February 15, 2017

Registered at 8700 SUDLEY RD, MANASSAS, VA 201104418 (Tel: 7033698000)

📍
Updated Business Mailing Address February 15, 2017

Registered at 3100 SPRING FOREST RD, STE 130, RALEIGH, NC 276162880 (Tel: 9198827908)

👤
Provider Name / Credentials Updated February 15, 2017

Recorded as MARK SLACK, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 15, 2017

Anesthesiology (License #0101044713 in VA)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 1330 MURRAY DOWNS WAY, RESTON, VA 201941435 (Tel: 7036893776)

📍
Updated Business Mailing Address July 08, 2007

Registered at 1330 MURRAY DOWNS WAY, RESTON, VA 201941435 (Tel: 7036893776)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as MARK SLACK, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Anesthesiology (License #0101044713 in VA)

🟢
Initial NPI Registration & Enumeration July 11, 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: 1679508618
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 11, 2006
Last Update: February 15, 2017
Sole Proprietor: No

Mailing Address

3100 Spring Forest Rd, Ste 130

Raleigh, NC 276162880

Phone: 9198827908

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.