Les Sandknop, D.O.
NPI 1336139807 · Family Medicine Physician · Rockwall, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Les Sandknop, D.O. is a Family Medicine Physician provider in Rockwall, TX (NPI 1336139807).
Provider details
- NPI number
- 1336139807
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- F5359 (TX)
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
8,170 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 3,397 | $122 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, First 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99487 | 2,594 | $128 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 280 | $46 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 237 | $18 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 227 | $124 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 154 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 804 | 256 |
| Levothyroxine Sodium | 799 | 238 |
| Montelukast Sodium | 480 | 155 |
| Lisinopril | 472 | 139 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 446 | 69 |
| Amlodipine Besylate | 403 | 131 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,484 across 134 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
- 2005-10-26
- Last updated
- 2018-11-08
Frequently asked questions
- What is Les Sandknop's NPI number?
- Les Sandknop's National Provider Identifier (NPI) is 1336139807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Les Sandknop's specialty?
- Les Sandknop is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Les Sandknop located?
- Les Sandknop's practice location on file with NPPES is 1005 W Ralph Hall Pkwy, Rockwall, TX 75032-6658.
- What is Les Sandknop's phone number?
- The practice phone number listed in the NPPES registry for Les Sandknop is (972) 771-9081.
- Does Les Sandknop accept Medicare?
- Les Sandknop is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Les Sandknop's NPI active?
- Yes — Les Sandknop's NPI (1336139807) is active in the NPPES registry as of the last update on 2018-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.