NPPES file of Aug 9, 2026

Christopher T. R. Parker, DO

Rheumatology Physician · West Lake Hills, TX

Christopher T. R. Parker, DO is a rheumatology physician with a practice address in West Lake Hills, Texas, and NPI 1912961384, issued on Apr 13, 2006. Check the license (Texas L6137, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912961384
Name
Christopher T. R. Parker
Credential
DO
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
L6137 TX
Self-reported in NPPES; status is on the state search
Practice location
4701 Bee Caves RD Ste 201, West Lake Hills, TX 78746
Phone
(512) 518-4992
Enumerated
Apr 13, 2006
Record last updated
Mar 10, 2023
Fax
(866) 298-0735
Medicare enrollment
Enrolled (PECOS I20100316000383); accepts Medicare assignment
Medical or professional school
Kansas City University Of Physicians And Surgeons, 1994
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 4701 Bee Caves RD Ste 201

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

  1. Eduardo Cepeda, M.D.Rheumatology Physician1285609503
  2. Kevin Osgood, MDRheumatology Physician1942356563
  3. Monty Tew, MDRheumatology Physician1942266689

Verify Christopher T. R. Parker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L6137
    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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22% more Medicare Part D claims than the average rheumatology physician in 2024

2,417 Medicare Part D claims for 375 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 171 claims were for opioids.

  1. Christopher Parker2,417
  2. Specialty average1,978

Most prescribed

  1. Prednisone374 claims
  2. Allopurinol260 claims
  3. Methotrexate205 claims
  4. Gabapentin163 claims
  5. Methylprednisolone143 claims
  6. Celecoxib82 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: $218,942.17

335 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Parker$218,942
  2. Specialty average$8,538

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. Ctra PLLCWest Lake Hills, TX

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

Christopher T. R. Parker among 545 rheumatology physician records in Texas

Christopher T. R. Parker, DO is one of 545 rheumatology physician records with a practice address in Texas. 87% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 58% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1994 · median 2004 among the 417 with a school on file
  • Record last updated2023 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Texas

There are 545 rheumatology physician records in Texas.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Eduardo Cepeda, M.D.West Lake Hills, TX 787461285609503
  2. Kevin Osgood, MDWest Lake Hills, TX 787461942356563
  3. Monty Tew, MDWest Lake Hills, TX 787461942266689
  4. Samir Patel, M.D.Austin, TX 787451891903779
  5. Matthew Dwyer, DOAustin, TX 787481497247803
  6. Rama Makkena, MDAustin, TX 787411275647398
  7. Samantha Shapiro, M.D.Austin, TX 787411518200930
  8. Teresa ChavezBee Cave, TX 787381669515680

Common questions

What is Christopher T. R. Parker, DO's NPI number?

Christopher T. R. Parker, DO's National Provider Identifier (NPI) is 1912961384, issued on Apr 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher T. R. Parker, DO located?

The NPPES record lists a practice address at 4701 Bee Caves RD Ste 201, West Lake Hills, TX, 78746. Phone: (512) 518-4992. Providers update this record themselves, so call before visiting.

How can I verify Christopher T. R. Parker, DO's license?

NPPES lists Texas license number L6137, 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 Christopher T. R. Parker, DO prescribe under Medicare Part D?

In 2024, Christopher T. R. Parker, DO had 2,417 Medicare Part D claims for 375 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.