John Royer, D.O.
NPI 1417376484 · Anesthesiology Physician · Louisville, KY
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Royer, D.O. is a Anesthesiology Physician provider in Louisville, KY (NPI 1417376484).
Provider details
- NPI number
- 1417376484
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- DO.1857 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
347 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Exam of Colon Using an Endoscope00812 | 76 | $46 |
| Anesthesia for Nerve Block and Injection Procedure, Prone Position01992 | 53 | $56 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 50 | $61 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 34 | $54 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 26 | $145 |
| Injection of Anesthetic Agent And/Or Steroid Into Other Nerve Or Branch64450 | 25 | $19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-07
- Last updated
- 2019-12-04
Frequently asked questions
- What is John Royer's NPI number?
- John Royer's National Provider Identifier (NPI) is 1417376484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Royer's specialty?
- John Royer is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Royer located?
- John Royer's practice location on file with NPPES is 530 S Jackson St, Louisville, KY 40202-1675.
- What is John Royer's phone number?
- The practice phone number listed in the NPPES registry for John Royer is (502) 852-5689.
- Does John Royer accept Medicare?
- John Royer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Royer's NPI active?
- Yes — John Royer's NPI (1417376484) is active in the NPPES registry as of the last update on 2019-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.