Quick answers
- Does Gretchen M. Heringhaus accept Medicare assignment?
- Yes. Medicare's clinician data says Gretchen M. Heringhaus accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Gretchen M. Heringhaus see?
- In 2024, CMS data shows 161 Original Medicare patients and 163 services for Gretchen M. Heringhaus. This counts Original Medicare only and measures volume, not quality.
- What is Gretchen M. Heringhaus's NPI number?
- 1891029880. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Gretchen M. Heringhaus, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 161 |
|---|---|
| Services billed to Medicare | 163 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Anesthesia for procedure for total knee joint replacement (01402)33 services
- Anesthesia for total hip replacement (01214)21 services
- Anesthesia for extensive removal of prostate (00865)14 services
- Anesthesia for extensive surgery on spine (00670)12 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis75%
- Diabetes37%
- Chronic kidney disease32%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)30%
Hospitals where Gretchen M. Heringhaus works
Medicare's Facility Affiliation Data lists Gretchen M. Heringhaus at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mount Carmel New Albany Surgical HospitalNew Albany, OH · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 360266
- Mount Carmel St Ann'sWesterville, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360012
Practice locations
Addresses where Gretchen M. Heringhaus is enrolled with Medicare (CMS data updated October 2, 2026).
- 410 W 10th AveColumbus, OH 43210 (614) 293‑8487
- 500 S Cleveland AveWesterville, OH 43081 (380) 898‑4000
- 7333 Smiths Mill RdNew Albany, OH 43054 (614) 775‑6600
Group practices
Medicare enrollment lists Gretchen M. Heringhaus as a member of these groups (CMS data updated October 2, 2026).
- OSU Observation Medicine, LLC436 clinicians in the group
- Consultant Anesthesiologists Inc.71 clinicians in the group
Specialties
- Anesthesiology Assistantprimary
Other anesthesiologist assistants in Columbus
Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.
Other clinicians in OSU Observation Medicine, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | AA |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891029880 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians