NELSON RAFAEL KALAF MD
NPI 1205858107
Internal Medicine in Mission, TX

Active since July 23, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 45D0993261 · Waiver
2023 E GRIFFIN PKWY, MISSION, TX 78572(956) 585-2525(956) 585-0225 Get Directions Write a Review

NPPES record last updated: February 6, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Nelson Rafael Kalaf Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NELSON RAFAEL KALAF MD (NPI 1205858107) is an individual internal medicine provider in Mission, Texas, licensed in Texas (L 0307) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through November 7, 2027, and is affiliated with Mission Regional Medical Center.

NPPES Registry Identity

NPI1205858107
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameNELSON RAFAEL KALAFCredential: MD
Location Address2023 E GRIFFIN PKWYMission, TX 78572-3222
Mailing Address2023 E Griffin PkwyMission, TX 78572-3222 · (956) 585-2525
Fax(956) 585-0225
Sole ProprietorYes
Medical School CMSOtherGraduated 1989
Enumeration DateJuly 23, 2006
Last NPPES UpdateFebruary 6, 2024
NPPES CertifiedFebruary 6, 2024
NPI 1205858107 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in TX · L 0307
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2023 E GRIFFIN PKWY, Mission, TX 78572

Other Identifiers 2

Medicaid092532305TX
Medicaid092532303TX

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Nelson Rafael Kalaf Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4385608835
PECOS Enrollment IDI20041116001132
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D0993261

Nelson R Kalaf MD PA · Mission, TX
Active · expires Nov 7, 2027
CLIA Number45D0993261
Laboratory TypePhysician Office
Certificate Effective DateNovember 8, 2025
Certificate Expiration DateNovember 7, 2027
Laboratory DirectorNelson R. Kalaf MD
Laboratory Phone(956) 585-2525
Laboratory LocationNelson R Kalaf MD PA2023 E Griffin Pkwy, Mission, TX 78572
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
337 services121 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
337 services138 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
98 services98 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
91 services91 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
86 services85 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
46 services46 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mission Regional Medical Center

Acute Care Hospitals · Mission, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450176
Location900 South Bryan RoadMission, TX 78572 · Hidalgo County
Birthing friendly

Rio Grande Regional Hospital

Acute Care Hospitals · Mcallen, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450711
Location101 E Ridge RdMcallen, TX 78503 · Hidalgo County
Emergency services Birthing friendly

Doctors Hosptal At Renaissance

Acute Care Hospitals · Edinburg, TX
3/5 CMS rating
OwnershipPhysician
CMS Certification Number450869
Location5501 South MccollEdinburg, TX 78539 · Hidalgo County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78572 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 11

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
22 suppliers80 claims193 services$5.95 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
4 suppliers18 claims18 services$2.94 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
17 suppliers60 claims79 services$1.04 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407
DME-Orthotic Devices · category DF010N
1 supplier11 claims220 services$8.47 avg. paid by Medicare
Ostomy pouch, closed; for use on barrier with non-locking flange, with filter (2 piece), each A4419
DME-Orthotic Devices · category DF010N
1 supplier11 claims660 services$1.67 avg. paid by Medicare
Adhesive remover, wipes, any type, each A4456
DME-Medical/Surgical Supplies · category DA000N
1 supplier11 claims550 services$0.23 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
2023 E GRIFFIN PKWY
MISSION, TX 78572
Physician Assistant
2023 E GRIFFIN PKWY
MISSION, TX 78572
Nurse Practitioner
2023 E GRIFFIN PKWY
MISSION, TX 78572
Physician Assistant
2023 E GRIFFIN PKWY
MISSION, TX 78572
Internal Medicine
2023 E GRIFFIN PKWY
MISSION, TX 78572

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Nelson Kalaf's NPI number?

The NPI number for Nelson Kalaf is 1205858107. It was assigned to this individual provider in the NPPES registry on July 23, 2006.

Where is Nelson Kalaf located?

Nelson Kalaf practices at 2023 E Griffin Pkwy, Mission, TX 78572. The listed phone number is (956) 585-2525.

What is Nelson Kalaf's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nelson Kalaf enrolled in Medicare?

Yes. Nelson Kalaf is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Does Nelson Kalaf hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D0993261) is associated with this NPI, valid through November 7, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Nelson Kalaf accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Nelson Kalaf as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Nelson Kalaf affiliated with any hospitals?

According to CMS data, Nelson Kalaf is affiliated with Mission Regional Medical Center, Rio Grande Regional Hospital and Doctors Hosptal At Renaissance.

When was this NPI record last updated?

The NPPES record for Nelson Kalaf was last updated on February 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.