Guido Calderon, MD
Internal Medicine Physician · New Braunfels, TX
Guido Calderon, MD is an internal medicine physician with a practice address in New Braunfels, Texas, and NPI 1720053739, issued on Feb 22, 2006. Check the license (Texas K4008, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Guido Calderon
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- K4008 TX
Self-reported in NPPES; status is on the state search - Practice location
- 29924 FM 3009, New Braunfels, TX 78132
- Phone
- (830) 620-0330
- Enumerated
- Feb 22, 2006
- Record last updated
- Jun 18, 2025
- Fax
- (833) 658-1505
- Medicaid ID
- 120666614 TX
- Medicare enrollment
- Enrolled (PECOS I20070215000250); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 29924 FM 3009
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jaime Diaz, MDInternal Medicine Physician1962538439
- Fransisco Hernandez, M.D.Family Medicine Physician1972569895
- Nancy Lough, RN-ACNPAcute Care Nurse Practitioner1538318969
- Primo Mayhua, M.D.Internal Medicine Physician1376587568
Verify Guido Calderon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K4008Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average internal medicine physician in 2024
11,502 Medicare Part D claims for 631 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 259 claims were for opioids.
Most prescribed
- Atorvastatin Calcium517 claims
- Levothyroxine Sodium474 claims
- Amlodipine Besylate404 claims
- Donepezil Hcl361 claims
- Eliquis357 claims
- Pantoprazole Sodium300 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 practice group's MIPS final score for 2023 (Medicare payment program): 26.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $97.32
1 payment: food and beverage; the largest payer was Lilly USA, LLC. 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.
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
- Inpatient Medicine Physicians PANew Braunfels, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Guido Calderon among 9,175 internal medicine physician records in Texas
Guido Calderon, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1993 · 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).
25 internal medicine physician records list a practice address in New Braunfels
They are 25 of the 1,853 NPPES records with a practice address in New Braunfels, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in New Braunfels → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jaime Diaz, MDNew Braunfels, TX 781321962538439
- Primo Mayhua, M.D.New Braunfels, TX 781321376587568
- Vladimir Paez, MDNew Braunfels, TX 781321710202353
- Ho Pak, DONew Braunfels, TX 781321518025766
- Venkat Srinivasan, M.D.New Braunfels, TX 781321841273729
- Sankararao Tamtam, M.D.New Braunfels, TX 781321588625735
- Landon Roussel, MDCanyon Lake, TX 781331417397340
- Benyam Alemu, M.D.New Braunfels, TX 781301154646560
Common questions
What is Guido Calderon, MD's NPI number?
Guido Calderon, MD's National Provider Identifier (NPI) is 1720053739, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Guido Calderon, MD located?
The NPPES record lists a practice address at 29924 FM 3009, New Braunfels, TX, 78132. Phone: (830) 620-0330. Providers update this record themselves, so call before visiting.
How can I verify Guido Calderon, MD's license?
NPPES lists Texas license number K4008, 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 Guido Calderon, MD prescribe under Medicare Part D?
In 2024, Guido Calderon, MD had 11,502 Medicare Part D claims for 631 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Guido Calderon, MD's MIPS final score?
The 2023 MIPS final score is 26.4 of 100, reported for the practice group. 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.