Les T. Sandknop, D.O.
Family Medicine Physician · Rockwall, TX
Les T. Sandknop, D.O. is a family medicine physician with a practice address in Rockwall, Texas, and NPI 1336139807, issued on Oct 26, 2005. Check the license (Texas F5359, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Les T. Sandknop
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- F5359 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1005 W Ralph Hall Pkwy, Rockwall, TX 75032
- Phone
- (972) 771-9081
- Enumerated
- Oct 26, 2005
- Record last updated
- Nov 8, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (972) 772-7102
- Medicare enrollment
- Enrolled (PECOS I20100304000807); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1978
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 1005 W Ralph Hall Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Davis, LPCProfessional Counselor1639792575
- Michael Duchamp, DOOrthopaedic Surgery Physician1285728394
- Charla Granberry, FNPNurse Practitioner1457486193
- Misty HurleyPhysical Therapist1336152768
- Ieshia Kimble, PMHNPPsychiatric/Mental Health Nurse Practitioner1124774500
- Paul Koetter, MPTPhysical Therapist1467561019
Verify Les T. Sandknop in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F5359Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.1 times the Medicare Part D claims of the average family medicine physician in 2024
14,668 Medicare Part D claims for 1,022 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 654 claims were for opioids.
Most prescribed
- Atorvastatin Calcium804 claims
- Levothyroxine Sodium799 claims
- Montelukast Sodium480 claims
- Lisinopril472 claims
- Hydrocodone-Acetaminophen446 claims
- Amlodipine Besylate403 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $2,484.09
134 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Legacy Healthcare Services IncLewisville, TX
- Les T. Sandknop, D.O. PARockwall, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Les T. Sandknop among 11,119 family medicine physician records in Texas
Les T. Sandknop, D.O. is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1978 · median 2004 among the 7,095 with a school on file
- Record last updated2018 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 family medicine physician records list a practice address in Rockwall
They are 36 of the 1,546 NPPES records with a practice address in Rockwall, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Rockwall → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Wesley Acker, MDRockwall, TX 750321134178452
- Jeffry Adcock, M.D.Heath, TX 750321982626461
- Richard Bellinger, MDRockwall, TX 750321417906488
- Gary Bonacquisti, MDRockwall, TX 750321881652311
- Lindsey Foote, MDRockwall, TX 750321255389789
- David Lensch, MDHeath, TX 750321114976453
- Robert Maul, D.O.Heath, TX 750321285671891
- Jennifer Miller, MDRockwall, TX 750321174572903
Common questions
What is Les T. Sandknop, D.O.'s NPI number?
Les T. Sandknop, D.O.'s National Provider Identifier (NPI) is 1336139807, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Les T. Sandknop, D.O. located?
The NPPES record lists a practice address at 1005 W Ralph Hall Pkwy, Rockwall, TX, 75032. Phone: (972) 771-9081. Providers update this record themselves, so call before visiting.
How can I verify Les T. Sandknop, D.O.'s license?
NPPES lists Texas license number F5359, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Les T. Sandknop, D.O. prescribe under Medicare Part D?
In 2024, Les T. Sandknop, D.O. had 14,668 Medicare Part D claims for 1,022 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.