Ronald A. Lester, MD
Internal Medicine Physician · Grapevine, TX
Ronald A. Lester, MD is an internal medicine physician with a practice address in Grapevine, Texas, and NPI 1942229539, issued on Jul 18, 2006. Check the license (Texas L2986, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ronald A. Lester
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L2986 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1400 W Northwest Hwy, Grapevine, TX 76051
- Phone
- (877) 663-8522
- Enumerated
- Jul 18, 2006
- Record last updated
- Aug 29, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (877) 663-8522
- Medicaid IDs
- 155957702 TX
155957703 TX - Medicare enrollment
- Enrolled (PECOS I20040805000874); accepts Medicare assignment
- Medical or professional school
- Meharry Medical College School Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1400 W Northwest Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ronald A. Lester in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L2986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average internal medicine physician in 2024
3,384 Medicare Part D claims for 173 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 174 claims were for opioids.
Most prescribed
- Amlodipine Besylate161 claims
- Rosuvastatin Calcium122 claims
- Atorvastatin Calcium107 claims
- Gabapentin83 claims
- Levothyroxine Sodium83 claims
- Ozempic81 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: $503.55
15 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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 one group practice
- Internal Medicine Associates OF Plano PAPlano, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald A. Lester among 9,175 internal medicine physician records in Texas
Ronald A. Lester, MD is one of 9,175 internal 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1998 · median 2004 among the 6,088 with a school on file
- Record last updated2016 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 internal medicine physician records list a practice address in Grapevine
They are 27 of the 1,104 NPPES records with a practice address in Grapevine, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Grapevine → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Eniko Barthel, M.D.Grapevine, TX 760511558365130
- Carlos Bazaldua, M.D.Grapevine, TX 760511487683744
- Robert Demartini, M.D.Grapevine, TX 760511275544694
- Naznin Esphani, MDGrapevine, TX 760511306846852
- John Ferris, MDGrapevine, TX 760511538257084
- Martyn Gordon, MDGrapevine, TX 760511972689750
- Monalisa Mitra, DOGrapevine, TX 760511710097456
- John Page, MDGrapevine, TX 760511871679654
Common questions
What is Ronald A. Lester, MD's NPI number?
Ronald A. Lester, MD's National Provider Identifier (NPI) is 1942229539, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald A. Lester, MD located?
The NPPES record lists a practice address at 1400 W Northwest Hwy, Grapevine, TX, 76051. Phone: (877) 663-8522. Providers update this record themselves, so call before visiting.
How can I verify Ronald A. Lester, MD's license?
NPPES lists Texas license number L2986, 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 Ronald A. Lester, MD prescribe under Medicare Part D?
In 2024, Ronald A. Lester, MD had 3,384 Medicare Part D claims for 173 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.