NPPES file of Aug 9, 2026

Robert James Postlewait, MD

Internal Medicine Physician · West Lake Hills, TX

Robert James Postlewait, MD is an internal medicine physician with a practice address in West Lake Hills, Texas, and NPI 1396907366, issued on Jun 30, 2008. Check the license on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396907366
Name
Robert James Postlewait
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
26505 OK
Self-reported in NPPES; status is on the state search
Practice location
912 S Capital OF Texas Hwy Ste 100, West Lake Hills, TX 78746
Phone
(512) 306-8360
Enumerated
Jun 30, 2008
Record last updated
Sep 26, 2024
Fax
(855) 270-9668
Medicare enrollment
Enrolled (PECOS I20240801004319); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Also registered at 912 S Capital OF Texas Hwy Ste 100

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

  1. Melani Kellison, FNP-CFamily Nurse Practitioner1588365613
  2. Taura KhorramshahiFamily Medicine Physician1225778731
  3. Robert Ondash, M.D.Internal Medicine Physician1053320069
  4. Robina Poonawala, M.D.Family Medicine Physician1124025390

Verify Robert James Postlewait in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical BoardCheck 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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78% fewer Medicare Part D claims than the average internal medicine physician in 2024

712 Medicare Part D claims for 185 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Robert Postlewait712
  2. Specialty average3,176

Most prescribed

  1. Prednisone39 claims
  2. Levofloxacin37 claims
  3. Ipratropium Bromide34 claims
  4. Atorvastatin Calcium31 claims
  5. Gabapentin27 claims
  6. Clopidogrel24 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.

The MIPS final score for 2023 (Medicare payment program): 91.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score79.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $203.70

10 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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.

  1. Robert Postlewait$203.70
  2. Specialty average$1,303.06

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

  1. South Austin Family Practice Clinic, PLLCAustin, TX

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

Robert James Postlewait among 9,175 internal medicine physician records in Texas

Robert James Postlewait, 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 2008, is newer than 50% of them.

  • NPI issued2008 · 50% of these records are older, 46% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2008 · median 2004 among the 6,088 with a school on file
  • Record last updated2024 · 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).

13 internal medicine physician records list a practice address in West Lake Hills

They are 13 of the 793 NPPES records with a practice address in West Lake Hills, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Rehana Becker, MDWest Lake Hills, TX 787461780659797
  2. Shawn Chen, M.D.Austin, TX 787461710952668
  3. Gregorio Cortez, M.D.West Lake Hills, TX 787461508853268
  4. Richard Debehnke, MDWest Lake Hills, TX 787461174599617
  5. Jerry Hood, M.D.Austin, TX 787461356318455
  6. Shawn Laney, M.D.West Lake Hills, TX 787461740218585
  7. William Lockett, MDAustin, TX 787461174592265
  8. Matthew Masters, M.D.Austin, TX 787461568453934

Common questions

What is Robert James Postlewait, MD's NPI number?

Robert James Postlewait, MD's National Provider Identifier (NPI) is 1396907366, issued on Jun 30, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Robert James Postlewait, MD located?

The NPPES record lists a practice address at 912 S Capital OF Texas Hwy Ste 100, West Lake Hills, TX, 78746. Phone: (512) 306-8360. Providers update this record themselves, so call before visiting.

How can I verify Robert James Postlewait, MD's license?

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 Robert James Postlewait, MD prescribe under Medicare Part D?

In 2024, Robert James Postlewait, MD had 712 Medicare Part D claims for 185 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Robert James Postlewait, MD's MIPS final score?

The 2023 MIPS final score is 91.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.