NPPES file of Aug 9, 2026

Larry L. Lewellyn, D.O.

Pediatrics Physician · Austin, TX

Larry L. Lewellyn, D.O. is a pediatrics physician with a practice address in Austin, Texas, and NPI 1821064098, issued on Feb 27, 2006. Check the license (Texas G4336, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821064098
Name
Larry L. Lewellyn
Credential
D.O.
Primary taxonomy
Pediatrics Physician 208000000X
License number
G4336 TX
Self-reported in NPPES; status is on the state search
Practice location
4007 James Casey St, Austin, TX 78745
Phone
(512) 447-0707
Enumerated
Feb 27, 2006
Record last updated
Sep 20, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
127141301 TX
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest pediatrics physician records → All 5,641 in Texas → Look up another NPI →

Also registered at 4007 James Casey St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sasan Askari, M.D.Obstetrics & Gynecology Physician1013986843
  2. Anne Epstein, M.D.Dermatology Physician1912964172
  3. David Folkers, M.D.Surgery Physician1538265442
  4. Barbara Howard, WHNPWomen's Health Clinical Nurse Specialist1346540572
  5. John Williamson, M.D.Urology Physician1073566709
  6. Harvey Worchel, M.D.Surgery Physician1841271483

Verify Larry L. Lewellyn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license G4336    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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Larry L. Lewellyn among 5,641 pediatrics physician records in Texas

Larry L. Lewellyn, D.O. is one of 5,641 pediatrics physician records with a practice address in Texas. 47% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 57% newer
  • In a Medicare fileNo · 47% of these records are
  • In the CMS Doctors and Clinicians fileNo · 9% of these records are
  • Record last updated2011 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

469 pediatrics physician records list a practice address in Austin

They are 469 of the 26,585 NPPES records with a practice address in Austin, and 5,641 pediatrics physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,641 in Texas → Every provider in Austin → Pediatrics Physician nationwide →

The 8 pediatrics physician records with the nearest ZIP codes

  1. Amy Alcorn, MDAustin, TX 787451942229059
  2. Lisa Gaw, MDAustin, TX 787451235428871
  3. Sara Gibson, M.D.Austin, TX 787451023438470
  4. Madhurima Gupta, M.D.Austin, TX 787451982770376
  5. Claire Hebner, MDAustin, TX 787451225057060
  6. Peter Hine, M.D.Austin, TX 787451083685788
  7. Win Kyu, M.DAustin, TX 787451699835421
  8. Yamini Lad, MDAustin, TX 787451265774137

Common questions

What is Larry L. Lewellyn, D.O.'s NPI number?

Larry L. Lewellyn, D.O.'s National Provider Identifier (NPI) is 1821064098, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Larry L. Lewellyn, D.O. located?

The NPPES record lists a practice address at 4007 James Casey St, Austin, TX, 78745. Phone: (512) 447-0707. Providers update this record themselves, so call before visiting.

How can I verify Larry L. Lewellyn, D.O.'s license?

NPPES lists Texas license number G4336, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.