NPPES file of Aug 9, 2026

Kenneth Mark Shaffer, M.D.

Pediatric Cardiology Physician · Austin, TX

Kenneth Mark Shaffer, M.D. is a pediatric cardiology physician with a practice address in Austin, Texas, and NPI 1922062652, issued on Apr 12, 2006. Check the license (Texas J2908, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1922062652
Name
Kenneth Mark Shaffer
Credential
M.D.
Primary taxonomy
Pediatric Cardiology Physician 2080P0202X
License number
J2908 TX
Self-reported in NPPES; status is on the state search
Practice location
4314 Medical Pkwy, Austin, TX 78756
Phone
(512) 454-1110
Enumerated
Apr 12, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050310000737); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 1990
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest pediatric cardiology physician records → All 325 in Texas → Look up another NPI →

Also registered at 4314 Medical Pkwy

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

  1. Arnold Fenrich, MDPediatric Cardiology Physician1790736494
  2. James Finnigan, M.D.Pediatric Cardiology Physician1154386753
  3. Walter Harrell, PH.D.Rehabilitation Psychologist1992919120
  4. Gregory Johnson, M.D.Pediatric Cardiology Physician1437107331
  5. Hanoch Patt, M.D.Pediatric Cardiology Physician1730113754
  6. Stuart Rowe, M.D.Pediatric Cardiology Physician1811954787

Verify Kenneth Mark Shaffer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license J2908    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Dell Childrens Medical GroupRound Rock, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kenneth Mark Shaffer among 325 pediatric cardiology physician records in Texas

Kenneth Mark Shaffer, M.D. is one of 325 pediatric cardiology physician records with a practice address in Texas. 71% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 64% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1990 · median 2004 among the 163 with a school on file
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Cardiology Physician providers in Texas

There are 325 pediatric cardiology physician records in Texas.

All 325 in Texas → Every provider in Austin → Pediatric Cardiology Physician nationwide →

The 8 pediatric cardiology physician records with the nearest ZIP codes

  1. Arnold Fenrich, MDAustin, TX 787561790736494
  2. James Finnigan, M.D.Austin, TX 787561154386753
  3. Gregory Johnson, M.D.Austin, TX 787561437107331
  4. Hanoch Patt, M.D.Austin, TX 787561730113754
  5. Stuart Rowe, M.D.Austin, TX 787561811954787
  6. Daniel Shmorhun, M.D.Austin, TX 787561841251246
  7. Eileen Stewart, M.D.Austin, TX 787561245403146
  8. Karen Wright, M.D.Austin, TX 787561356396444

Common questions

What is Kenneth Mark Shaffer, M.D.'s NPI number?

Kenneth Mark Shaffer, M.D.'s National Provider Identifier (NPI) is 1922062652, issued on Apr 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth Mark Shaffer, M.D. located?

The NPPES record lists a practice address at 4314 Medical Pkwy, Austin, TX, 78756. Phone: (512) 454-1110. Providers update this record themselves, so call before visiting.

How can I verify Kenneth Mark Shaffer, M.D.'s license?

NPPES lists Texas license number J2908, 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. Medicare files from data.cms.gov. 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.