John Daniels, M.D.
NPI 1639188519 · Orthopaedic Surgery Physician · Algonquin, IL
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Daniels, M.D. is a Orthopaedic Surgery Physician provider in Algonquin, IL (NPI 1639188519).
Provider details
- NPI number
- 1639188519
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036088142 (IL)
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
19 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
3,062 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 | 500 | $87 |
| X-Ray of Knee, 4 Or More Views73564 | 493 | $48 |
| X-Ray of Knee, 3 Views73562 | 338 | $38 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 287 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 221 | $123 |
| X-Ray of Hip, 2-3 Views73502 | 206 | $41 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin | 190 | 116 |
| Meloxicam | 184 | 90 |
| Tramadol Hcl | 109 | 84 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 65 | 56 |
| Clindamycin Hcl | 58 | 25 |
| Methylprednisolone | 40 | 37 |
| Cefadroxil | 28 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$343 across 12 records (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
- 2006-08-07
- Last updated
- 2023-07-31
- Certified
- 2023-07-31
Frequently asked questions
- What is John Daniels's NPI number?
- John Daniels's National Provider Identifier (NPI) is 1639188519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Daniels's specialty?
- John Daniels is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Daniels located?
- John Daniels's practice location on file with NPPES is 650 S Randall Rd, Algonquin, IL 60102-5944.
- What is John Daniels's phone number?
- The practice phone number listed in the NPPES registry for John Daniels is (815) 398-9491.
- Does John Daniels accept Medicare?
- John Daniels is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Daniels's NPI active?
- Yes — John Daniels's NPI (1639188519) is active in the NPPES registry as of the last update on 2023-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.