NPPES file of Aug 9, 2026

Christopher Thomas Caulfield, MD

Family Medicine Physician · San Antonio, TX

Christopher Thomas Caulfield, MD is a family medicine physician with a practice address in San Antonio, Texas, and NPI 1790710051, issued on Jul 12, 2006. Check the license (Texas M3969, 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
1790710051
Name
Christopher Thomas Caulfield
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
M3969 TX
Self-reported in NPPES; status is on the state search
Practice location
8906 Perrin Beitel, San Antonio, TX 78217
Phone
(210) 572-3306
Enumerated
Jul 12, 2006
Record last updated
Mar 23, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(210) 249-0125
Medicare enrollment
Enrolled (PECOS I20060817000588); 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 8906 Perrin Beitel

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

  1. Stacie Howard, PA-CPhysician Assistant1275054322

Verify Christopher Thomas Caulfield in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M3969
    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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3.6 times the Medicare Part D claims of the average family medicine physician in 2024

12,822 Medicare Part D claims for 879 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 654 claims were for opioids.

  1. Christopher Caulfield12,822
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium742 claims
  2. Rosuvastatin Calcium486 claims
  3. Amlodipine Besylate445 claims
  4. Losartan Potassium376 claims
  5. Levothyroxine Sodium318 claims
  6. Lisinopril281 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.

Bills Medicare through one group practice

  1. Physician Primecare, IncSan Antonio, TX

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

Christopher Thomas Caulfield among 11,119 family medicine physician records in Texas

Christopher Thomas Caulfield, MD is one of 11,119 family 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2002 · median 2004 among the 7,095 with a school on file
  • Record last updated2018 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

809 family medicine physician records list a practice address in San Antonio

They are 809 of the 37,749 NPPES records with a practice address in San Antonio, and 11,119 family medicine physician records in Texas.

The 8 family medicine physician records with the nearest ZIP codes

  1. Kevin Comfort, M.D.San Antonio, TX 782171588611024
  2. Robert Freeman, MDSan Antonio, TX 782171861492787
  3. Richard Hernandez, MDSan Antonio, TX 782171336242023
  4. Harry Hernandez, DOSan Antonio, TX 782171659474211
  5. Doris Ling, M.D.San Antonio, TX 782171851338420
  6. Tamre McClelland, M.D.San Antonio, TX 782171871601385
  7. Wiley Patterson, M.D.San Antonio, TX 782171396963989
  8. Edward Reed, MDSan Antonio, TX 782171841276524

Common questions

What is Christopher Thomas Caulfield, MD's NPI number?

Christopher Thomas Caulfield, MD's National Provider Identifier (NPI) is 1790710051, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Thomas Caulfield, MD located?

The NPPES record lists a practice address at 8906 Perrin Beitel, San Antonio, TX, 78217. Phone: (210) 572-3306. Providers update this record themselves, so call before visiting.

How can I verify Christopher Thomas Caulfield, MD's license?

NPPES lists Texas license number M3969, 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 Thomas Caulfield, MD prescribe under Medicare Part D?

In 2024, Christopher Thomas Caulfield, MD had 12,822 Medicare Part D claims for 879 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.