NPPES file of Aug 9, 2026

Nelson Rafael Kalaf, MD

Internal Medicine Physician · Mission, TX

Nelson Rafael Kalaf, MD is an internal medicine physician with a practice address in Mission, Texas, and NPI 1205858107, issued on Jul 23, 2006. Check the license (Texas L 0307, 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
1205858107
Name
Nelson Rafael Kalaf
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
L 0307 TX
Self-reported in NPPES; status is on the state search
Practice location
2023 E Griffin Pkwy, Mission, TX 78572
Phone
(956) 585-2525
Enumerated
Jul 23, 2006
Record last updated
Feb 6, 2024
Fax
(956) 585-0225
Medicaid IDs
092532305 TX
092532303 TX
Medicare enrollment
Enrolled (PECOS I20041116001132); 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 2023 E Griffin Pkwy

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

  1. Yocelyn Elizondo, PA-CPhysician Assistant1336631225
  2. Daniela Garcia, PA-CPhysician Assistant1669833612
  3. Kate GarciaPhysician Assistant1720771710
  4. Jacklynn Ochoa, MSN, APRN, FNP-BCNurse Practitioner1710469648

Verify Nelson Rafael Kalaf in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L 0307
    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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5.0 times the Medicare Part D claims of the average internal medicine physician in 2024

16,019 Medicare Part D claims for 1,156 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 92 claims were for opioids.

  1. Nelson Kalaf16,019
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,065 claims
  2. Levothyroxine Sodium698 claims
  3. Rosuvastatin Calcium669 claims
  4. Amlodipine Besylate599 claims
  5. Losartan Potassium463 claims
  6. Lisinopril458 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. Nelson R. Kalaf, MD P.A.Mission, TX

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

Nelson Rafael Kalaf among 9,175 internal medicine physician records in Texas

Nelson Rafael Kalaf, 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
  • Graduated1989 · 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).

17 internal medicine physician records list a practice address in Mission

They are 17 of the 912 NPPES records with a practice address in Mission, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Charity Abreu-Lawrence, M.D.Mission, TX 785721902800402
  2. Alcides Amador, MDMission, TX 785721871513143
  3. Luis Arango, M.DMission, TX 785721407877046
  4. Jhonny Bazan, MDPalmview, TX 785721760542807
  5. Sathiyaraj George, MDMission, TX 785721982648424
  6. Rolando Hinojosa, M.D.Mission, TX 785721063423416
  7. Subramaniam Jagadeesan, MDMission, TX 785721609893049
  8. Kondapavuluru Lakshmi, M.D.Palmview, TX 785721750323002

Common questions

What is Nelson Rafael Kalaf, MD's NPI number?

Nelson Rafael Kalaf, MD's National Provider Identifier (NPI) is 1205858107, issued on Jul 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nelson Rafael Kalaf, MD located?

The NPPES record lists a practice address at 2023 E Griffin Pkwy, Mission, TX, 78572. Phone: (956) 585-2525. Providers update this record themselves, so call before visiting.

How can I verify Nelson Rafael Kalaf, MD's license?

NPPES lists Texas license number L 0307, 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 Nelson Rafael Kalaf, MD prescribe under Medicare Part D?

In 2024, Nelson Rafael Kalaf, MD had 16,019 Medicare Part D claims for 1,156 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.