GRETCHEN M HERINGHAUS AA
NPI 1891029880
Anesthesiologist Assistant in Westerville, OH

Q: What is Gretchen Heringhaus's NPI number?

The NPI number for Gretchen Heringhaus is 1891029880. It was assigned to this individual provider in the NPPES registry on September 24, 2009.

Q: What is Gretchen Heringhaus's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Active since September 24, 2009Accepts Medicare Assignment

95.31/100

CMS Quality Rating

500 S CLEVELAND AVE, ANESTHESIA DEPT/COA, WESTERVILLE, OH 43081(614) 898-6659(614) 898-8631 Get Directions Write a Review

NPPES record last updated: June 27, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 27, 2025, Jul 8, 2024 (2 updates tracked since 2024).

On this page

About Gretchen M Heringhaus Aa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GRETCHEN M HERINGHAUS AA (NPI 1891029880) is an individual anesthesiologist assistant in Westerville, Ohio, licensed in Ohio (67.000192) and active in the NPI registry since September 2009. She is affiliated with Mount Carmel St Ann's, maintains a secondary practice location in Columbus, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1891029880

Entity TypeIndividualFemale

Primary Taxonomy367H00000X

Provider Legal NameGRETCHEN M HERINGHAUSCredential: AA

Location Address500 S CLEVELAND AVE, ANESTHESIA DEPT/COAWesterville, OH 43081-8971

Mailing Address5620 Silver Falls StDublin, OH 43016-7847 · (419) 236-1868 · Fax (614) 583-3300

Phone(614) 898-6659

Fax(614) 898-8631

Sole ProprietorNo

Medical School CMSOtherGraduated 2009

Enumeration DateSeptember 24, 2009

Last NPPES UpdateJune 27, 20252 updates tracked since enumeration

NPPES CertifiedJune 27, 2025

✔ NPI 1891029880 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367H00000X

License✔ Licensed in OH · 67.000192

Definition

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.

500 S CLEVELAND AVE, Westerville, OH 43081

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Secondary Practice Location 1

Location 12121 Kenny RdColumbus, OH 43210-3100 · Phone (614) 293-8487 · Fax (614) 293-8153

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gretchen M Heringhaus Aa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8123165883

PECOS Enrollment IDI20120525000558

Medicare Billing Reassignments

Medicare enrollment records show Gretchen Heringhaus reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Consultant Anesthesiologists Inc

Same address

Specialist

500 S CLEVELAND AVE
Westerville, OH 43081

Reassigned Medicare billing, Ohio enrollment
97 clinicians in this Medicare group

NPI 1457420580 (614) 552-0089

Osu Observation Medicine, LLC

9.0 mi

Anesthesiology

410 W 10TH AVE
Columbus, OH 43210

Reassigned Medicare billing, Ohio enrollment
551 clinicians in this Medicare group

NPI 1407095052 (614) 293-8487

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for procedure for total knee joint replacement 01402

Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.

33 services33 patients

Anesthesia for total hip replacement 01214

Anesthesia for total hip replacement is a medical service where medication is given to eliminate pain during surgery. Two types are commonly used: general anesthesia, making you unconscious, or spinal anesthesia, numbing the lower body. The choice depends on your health and your doctor's recommendation.

21 services21 patients

Anesthesia for extensive removal of prostate 00865

Anesthesia is a crucial part of the procedure for extensive removal of a certain gland located in the lower abdomen. It helps ensure you don't feel pain during the procedure. There are two types: general, where you're unconscious, and regional, where only a part of your body is numb.

14 services14 patients

Anesthesia for extensive surgery on spine 00670

Anesthesia for extensive spine surgery involves medication to block pain and make you unconscious during the procedure. It ensures comfort and prevents movement. Two types may be used: general (you sleep) or regional (numbs a large area). The choice depends on the surgery specifics and your health.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mount Carmel St Ann's

Acute Care Hospitals · Westerville, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360012

Location500 South Cleveland AvenueWesterville, OH 43081 · Franklin County

Emergency services Birthing friendly

Mount Carmel New Albany Surgical Hospital

Acute Care Hospitals · New Albany, OH

OwnershipProprietary

CMS Certification Number360266

Location7333 Smith's Mill RoadNew Albany, OH 43054 · Franklin County

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.31/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

76.58

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WADE WALNOHA P.A.-C.

Physician Assistant

500 S CLEVELAND AVE
WESTERVILLE, OH 43081

Franklin County (614) 794-0481

CAMERON POWELL P.A.-C.

Physician Assistant

500 S CLEVELAND AVE
WESTERVILLE, OH 43081

Franklin County (614) 794-0481

MS. EMILY ANN STEIN

Anesthesiologist Assistant

500 S CLEVELAND AVE
WESTERVILLE, OH 43081

Franklin County (380) 898-4000

GERALD J GIRARDI MD

Obstetrics & Gynecology

500 S CLEVELAND AVE
WESTERVILLE, OH 43081

Franklin County (614) 898-4000

AMY L GRAHAM RPH

Pharmacist

500 S CLEVELAND AVE
WESTERVILLE, OH 43081

Franklin County (380) 898-4198

JANELLE HIDEG CRNA

Nurse Anesthetist, Certified Registered

500 S CLEVELAND AVE, ST. ANN'S HOSPITAL ANESTHESIA DEPT
WESTERVILLE, OH 43081

Franklin County (614) 898-6659

ELIZABETH ANN CUMMINS MD

Obstetrics & Gynecology

500 S CLEVELAND AVE
WESTERVILLE, OH 43081

Franklin County (614) 898-4000

MS. GERTRUDE HELFRICH CRNA

Nurse Anesthetist, Certified Registered

500 S CLEVELAND AVE, ST. ANN'S HOSPITAL ANESTHESIA DEPT
WESTERVILLE, OH 43081

Franklin County (614) 898-6659

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gretchen Heringhaus's NPI number?

The NPI number for Gretchen Heringhaus is 1891029880. It was assigned to this individual provider in the NPPES registry on September 24, 2009.

Where is Gretchen Heringhaus located?

Gretchen Heringhaus practices at 500 S Cleveland Ave Anesthesia Dept/Coa, Westerville, OH 43081. The listed phone number is (614) 898-6659.

What is Gretchen Heringhaus's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Is Gretchen Heringhaus enrolled in Medicare?

Yes. Gretchen Heringhaus is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Gretchen Heringhaus's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Heringhaus reassigns Medicare benefits to 2 organizations: Consultant Anesthesiologists Inc (Westerville, OH) and Osu Observation Medicine, LLC (Columbus, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gretchen Heringhaus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gretchen Heringhaus accept?

Health plans from CareSource list Gretchen Heringhaus as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gretchen Heringhaus affiliated with any hospitals?

According to CMS data, Gretchen Heringhaus is affiliated with Mount Carmel St Ann's and Mount Carmel New Albany Surgical Hospital.

When was this NPI record last updated?

The NPPES record for Gretchen Heringhaus was last updated on June 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.