Quick answers
- Does Adam C. Spiess accept Medicare assignment?
- Yes. Medicare's clinician data says Adam C. Spiess 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 Adam C. Spiess see?
- In 2024, CMS data shows 843 Original Medicare patients and 2,137 services for Adam C. Spiess. This counts Original Medicare only and measures volume, not quality.
- What is Adam C. Spiess's NPI number?
- 1770555179. 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 Adam C. Spiess, 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 | 843 |
|---|---|
| Services billed to Medicare | 2,137 |
| Different services or procedures | 62 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)377 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)344 services
- Removal of impacted ear wax (69210)249 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)188 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)152 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 cholesterol75%
- High blood pressure70%
- Arthritis51%
- Ischemic heart disease25%
- Depression25%
- Anxiety25%
Hospitals where Adam C. Spiess works
Medicare's Facility Affiliation Data lists Adam C. Spiess 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.
- Grant Medical CenterColumbus, OH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 360017
- Mount Carmel East & WestColumbus, OH · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 360035
- 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
- Riverside Methodist HospitalColumbus, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360006
Practice locations
Addresses where Adam C. Spiess is enrolled with Medicare (CMS data updated October 2, 2026).
- 477 Cooper Rd, Suite 480Westerville, OH 43081 (614) 823‑7135
- 974 Bethel Rd, Suite AColumbus, OH 43214 (614) 538‑2424
Group practices
Medicare enrollment lists Adam C. Spiess as a member of this group (CMS data updated October 2, 2026).
- University Otolaryngologists Inc59 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Westerville
Clinicians with the same Medicare primary specialty in Westerville, OH — not a recommendation.
Other clinicians in University Otolaryngologists Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Ohio |
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770555179 |
| 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