John Hoying, M.D.
NPI 1417991662 · Rheumatology Physician · Redondo Beach, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Hoying, M.D. is a Rheumatology Physician provider in Redondo Beach, CA (NPI 1417991662).
Provider details
- NPI number
- 1417991662
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A41006 (CA)
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
20 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
244 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 132 | $95 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 60 | $78 |
| Aspiration And/Or Injection of Fluid From Small Joint20600 | 18 | $55 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 18 | $120 |
| Injection Into Tendon Or Ligament20550 | 16 | $57 |
Typical Medicare-allowed amounts for these services range $55–$120 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 307 | 85 |
| Hydroxychloroquine Sulfate | 264 | 64 |
| Prednisone | 181 | 48 |
| Alendronate Sodium | 158 | 37 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 117 | 17 |
| Allopurinol | 117 | 31 |
| Meloxicam | 96 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$110 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
- 2006-06-16
- Last updated
- 2026-05-07
- Certified
- 2026-05-07
Frequently asked questions
- What is John Hoying's NPI number?
- John Hoying's National Provider Identifier (NPI) is 1417991662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hoying's specialty?
- John Hoying is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is John Hoying located?
- John Hoying's practice location on file with NPPES is 601 Torrance Blvd, Redondo Beach, CA 90277-3416.
- What is John Hoying's phone number?
- The practice phone number listed in the NPPES registry for John Hoying is (310) 316-0811.
- Does John Hoying accept Medicare?
- John Hoying is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Hoying's NPI active?
- Yes — John Hoying's NPI (1417991662) is active in the NPPES registry as of the last update on 2026-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.