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Active NPI 1801868237 Individual Practitioner Male Practitioner

Dr. Gary A Haag , DO

Anesthesiology • Winchester, VA

Professional Overview & Biography Verified Profile Summary

Dr. Gary Haag, DO is a registered healthcare professional specializing in Anesthesiology in Winchester, VA. Practice services are available at 1840 AMHERST ST 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

1840 Amherst St

Winchester, VA 22603

Telephone 5405368000
Associated Practice Facility / Clinic
🏢 Winchester Radiologists Pc Facility NPI 1235123977

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Winchester, VA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 23.3 Yrs
State Avg: 26.1 Yrs
Regional Practice Density
49 Specialists

Practicing in Winchester, VA (1494 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
90.7% 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 (2023)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
00142 Anesthesia for lens surgery
712 465 $1212.93 $113.12

Medical Specialties & State Licenses

CMS Verified: 2022-08-16
Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License MD H38515

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.

Anesthesiology

NUCC Taxonomy Code: 207L00000X

State License VA 0102201159

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
005708257 (VA)

Practice Associates & Co-Workers

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

40 Associated Practitioners
Dr. Akhila Sure , MD

Surgery - Surgical Critical Care

NPI 1013400811

Doctor of Medicine (M.D.)

Dr. Jillian Call , MD

Emergency Medicine

NPI 1013976083

Doctor of Medicine (M.D.)

NPI 1023083490

Doctor of Medicine (M.D.)

NPI 1023095577

Doctor of Osteopathic Medicine (D.O.)

Dr. Michael Khafi , DO

Emergency Medicine

NPI 1023496353

Doctor of Osteopathic Medicine (D.O.)

Meaghan Peters , CSFA

Specialist/Technologist, Other - Surgical Assistant

NPI 1033000328

Career & Practice History Timeline

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

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 08, 2019

Anesthesiology (License #H38515 in MD)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 1840 AMHERST ST, WINCHESTER, VA 22603 (Tel: 5405368000)

📍
Updated Business Mailing Address July 08, 2007

Registered at PO BOX 3295, WINCHESTER, VA 226042495 (Tel: 5406628336)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as GARY HAAG, DO

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

Anesthesiology (License #0102201159 in VA)

🟢
Initial NPI Registration & Enumeration February 01, 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: 1801868237
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: February 01, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

Po Box 3295

Winchester, VA 226042495

Phone: 5406628336

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.