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Active NPI 1891029880 Individual Practitioner Female Practitioner

Gretchen M Heringhaus , AA

Anesthesiologist Assistant • Westerville, OH

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Gretchen Heringhaus, AA is a certified Anesthesiologist Assistant practicing in Westerville, OH. With approximately 17 years of clinical experience since completing medical education in 2009, Gretchen Heringhaus delivers high-quality medical care to the local community at 500 S CLEVELAND AVE.

Gretchen Heringhaus maintains professional affiliations with Osu Observation Medicine, Llc, Consultant Anesthesiologists Inc. and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for procedure for total knee joint replacement, anesthesia for total hip replacement, anesthesia for extensive removal of prostate. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

500 S Cleveland Ave
Anesthesia Dept/coa

Westerville, OH 430818971

Telephone 6148986659
Fax 6148988631
Associated Practice Facility / Clinic
🏢 Central Ohio Anesthesia Inc Facility NPI 1366441586

Medicare Profile & Education

Medical School

Other

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiologist Assistant in Westerville, OH

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
17 Yrs +8.0 yrs vs City Avg
City Avg: 9.0 Yrs
State Avg: 11.2 Yrs
Regional Practice Density
10 Specialists

Practicing in Westerville, OH (454 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
91.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Heringhaus (17 Years) 17 Yrs
Westerville Specialty Average (9.0 Years) 9.0 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
01402 Anesthesia for procedure for total knee joint replacement
33 33 $1669.85 $143.30
01214 Anesthesia for total hip replacement
21 21 $1868.81 $162.40
00865 Anesthesia for extensive removal of prostate
14 14 $2094.64 $183.85
00670 Anesthesia for procedure on spine and spinal cord
12 12 $3037.92 $267.72

Medical Specialties & State Licenses

CMS Verified: 2025-06-27
Anesthesiologist Assistant Primary Specialty

NUCC Taxonomy Code: 367H00000X

State License OH 67.000192

An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.

Hospital & Practice Group Affiliations

Consultant Anesthesiologists Inc.

7333 Smiths Mill Rd, New Albany, OH 430549291

Phone: 6147756600

Consultant Anesthesiologists Inc.

500 S Cleveland Ave, Westerville, OH 430818971

Phone: 3808984000

Osu Observation Medicine, Llc

410 W 10th Ave, Columbus, OH 432101240

Phone: 6142938487

Secondary Practice Locations

2121 Kenny Rd

Columbus, OH 432103100

Phone: 6142938487

Practice Associates & Co-Workers

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

25 Associated Practitioners
Janelle Hideg , CRNA

Nurse Anesthetist, Certified Registered

NPI 1083614200

Certified Registered Nurse Anesthetist

Gertrude Helfrich , CRNA

Nurse Anesthetist, Certified Registered

NPI 1083696645

Certified Registered Nurse Anesthetist

Dr. David Perdzock , MD

Anesthesiology - Pain Medicine

NPI 1114926391

Doctor of Medicine (M.D.)

Henry Mcguire , CRNA

Nurse Anesthetist, Certified Registered

NPI 1194800425

Certified Registered Nurse Anesthetist

Donald Wiliams , CRNA

Nurse Anesthetist, Certified Registered

NPI 1215938295

Certified Registered Nurse Anesthetist

NPI 1225037534

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 November 11, 2014

NPI status registered as active in NPPES database

📍
Updated Practice Location November 11, 2014

Registered at 500 S CLEVELAND AVE, ANESTHESIA DEPT/COA, WESTERVILLE, OH 430818971 (Tel: 6148986659)

📍
Updated Business Mailing Address November 11, 2014

Registered at 5620 SILVER FALLS ST, DUBLIN, OH 430167847 (Tel: 4192361868)

👤
Provider Name / Credentials Updated November 11, 2014

Recorded as GRETCHEN HERINGHAUS, AA

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 11, 2014

Anesthesiologist Assistant (License #67.000192 in OH)

🟢
Initial NPI Registration & Enumeration September 24, 2009

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: 1891029880
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 24, 2009
Last Update: June 27, 2025
Sole Proprietor: No

Mailing Address

5620 Silver Falls St

Dublin, OH 430167847

Phone: 4192361868

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.