NPPES file of Aug 9, 2026

Christopher Michael Farmer, M.D.

Internal Medicine Physician · Round Rock, TX

Christopher Michael Farmer, M.D. is an internal medicine physician with a practice address in Round Rock, Texas, and NPI 1619136462, issued on Jun 6, 2008. Check the license (Texas P1544, 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
1619136462
Name
Christopher Michael Farmer
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
P1544 TX
Self-reported in NPPES; status is on the state search
Practice location
300 University Blvd, Round Rock, TX 78665
Phone
(512) 509-0100
Enumerated
Jun 6, 2008
Record last updated
Sep 9, 2025
Fax
(512) 218-6330
Medicare enrollment
Enrolled (PECOS I20120306000684); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 2008
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 300 University Blvd

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

  1. Brian Albert, MDEmergency Medicine Physician1780241638
  2. Torey AllingEmergency Medicine Physician1871121814
  3. Victoriano AquinoPhysician Assistant1750919742
  4. Rachel Arffa, MDOtolaryngology Physician1316268410
  5. Danielle Arnold, MDPediatrics Physician1114293834
  6. Joseph Ayoub, M.D.Diagnostic Radiology Physician1588844609

Verify Christopher Michael Farmer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P1544
    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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97% fewer Medicare Part D claims than the average internal medicine physician in 2024

92 Medicare Part D claims for 49 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Christopher Farmer92
  2. Specialty average3,176

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.

Bills Medicare through 2 group practices

  1. Hospitalist Medicine Physicians OF Texas PLLCLampasas, TX
  2. St Joseph Regional Health CenterBryan, TX

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

Christopher Michael Farmer among 9,175 internal medicine physician records in Texas

Christopher Michael Farmer, M.D. 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 updated2025 · 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).

63 internal medicine physician records list a practice address in Round Rock

They are 63 of the 3,815 NPPES records with a practice address in Round Rock, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ashraf Anani, M.D.Round Rock, TX 786651629041710
  2. Brian Anderson, D.O.Round Rock, TX 786651598886954
  3. Kendall Britt, M.D.Round Rock, TX 786651932138567
  4. Satya Sree Chalasani, M.D.Round Rock, TX 786651346408325
  5. Nilanjana Dasgupta, M.D.Round Rock, TX 786651598703084
  6. Trina Dorrah, M.D.Round Rock, TX 786651326104183
  7. Robyn Fader, MDRound Rock, TX 786651609846781
  8. Tapasdip Gajjar, MDRound Rock, TX 786651437129707

Common questions

What is Christopher Michael Farmer, M.D.'s NPI number?

Christopher Michael Farmer, M.D.'s National Provider Identifier (NPI) is 1619136462, issued on Jun 6, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Michael Farmer, M.D. located?

The NPPES record lists a practice address at 300 University Blvd, Round Rock, TX, 78665. Phone: (512) 509-0100. Providers update this record themselves, so call before visiting.

How can I verify Christopher Michael Farmer, M.D.'s license?

NPPES lists Texas license number P1544, 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 Michael Farmer, M.D. prescribe under Medicare Part D?

In 2024, Christopher Michael Farmer, M.D. had 92 Medicare Part D claims for 49 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.