STEFANIE M DIAZ M.D.
NPI 1689723637
Internal Medicine - Nephrology in Tyler, TX

Q: What is Stefanie Diaz's NPI number?

The NPI number for Stefanie Diaz is 1689723637. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Q: What is Stefanie Diaz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Stefanie Diaz was last updated on April 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since January 09, 2007PECOS EnrolledAccepts Medicare Assignment

1133 MEDICAL DR, TYLER, TX 75701(903) 595-5486(903) 595-5128 Get Directions Write a Review

NPPES record last updated: April 20, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Stefanie M Diaz M.d. NPPES

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

STEFANIE M DIAZ M.D. (NPI 1689723637) is an individual nephrology provider in Tyler, Texas, licensed in Texas (K8739) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Ut Health East Texas Tyler Regional Hospital, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1689723637

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameSTEFANIE M DIAZCredential: M.D.

Location Address1133 MEDICAL DRTyler, TX 75701-2130

Mailing Address1133 Medical DrTyler, TX 75701-2130 · (903) 595-5486 · Fax (903) 595-5128

Phone(903) 595-5486

Fax(903) 595-5128

Sole ProprietorNo

Medical School CMSOtherGraduated 1992

Enumeration DateJanuary 9, 2007

Last NPPES UpdateApril 20, 2023

NPPES CertifiedApril 20, 2023

✔ NPI 1689723637 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in TX · K8739

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

1133 MEDICAL DR, Tyler, TX 75701

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Other Identifiers 3

Medicaid200214910 AOK

Medicaid040253901TX

Other390006572Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Stefanie M Diaz M.d. 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 ID547322638

PECOS Enrollment IDI20100108000832

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.

Areas of Expertise CMS Part B claims 13

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

260 services95 patients

Dialysis services, per day, less than full month service (20 years or older) 90970

Dialysis is a treatment that replicates some functions of healthy kidneys when they're not working properly. It helps to remove waste, salt, and excess water from your body and maintain a safe level of certain chemicals in your blood. This service, for patients aged 20 or older, is provided on a daily basis for less than a full month.

199 services11 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

161 services55 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

102 services92 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.

89 services76 patients

Home dialysis services per month (20 years or older) 90966

Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.

79 services28 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

53 services31 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

52 services36 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

49 services34 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

45 services45 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

37 services37 patients

Follow-up inpatient consultation, intermediate, physicians typically spend 25 minutes communicating with the patient via telehealth G0407

A follow-up inpatient consultation is a service where a doctor spends around 25 minutes discussing your health progress via telehealth. This virtual meeting helps track your recovery, manage your treatment plan, and address any concerns you may have. It's a crucial part of your ongoing care.

32 services15 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

14 services14 patients

Hospital Affiliations CMS Care Compare 5

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

Ut Health East Texas Tyler Regional Hospital

Acute Care Hospitals · Tyler, TX

1/5 CMS rating

OwnershipProprietary

CMS Certification Number450083

Location1000 South Beckham AveTyler, TX 75701 · Smith County

Emergency services Birthing friendly

Christus Mother Frances Hospital

Acute Care Hospitals · Tyler, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450102

Location800 East DawsonTyler, TX 75701 · Smith County

Emergency services Birthing friendly

Ut Health East Texas Jacksonville Hospital

Acute Care Hospitals · Jacksonville, TX

OwnershipProprietary

CMS Certification Number450194

Location501 S RagsdaleJacksonville, TX 75766 · Cherokee County

Emergency services Birthing friendly

Christus Mother Frances Hospital Sulphur Springs

Acute Care Hospitals · Sulphur Springs, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450236

Location115 Airport RdSulphur Springs, TX 75482 · Hopkins County

Emergency services Birthing friendly

Ut Health East Texas Athens Hospital

Acute Care Hospitals · Athens, TX

2/5 CMS rating

OwnershipProprietary

CMS Certification Number450389

Location2000 South Palestine StAthens, TX 75751 · Henderson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75701 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 6

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

Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503

Treatment-Chemotherapy · category RH002N

3 suppliers31 claims12,840 services$1.22 avg. paid by Medicare

Tacrolimus, extended release, (astagraf xl), oral, 0.1 mg J7508

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier11 claims13,200 services$0.40 avg. paid by Medicare

Prednisone, immediate release or delayed release, oral, 1 mg J7512

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers23 claims3,450 services$0.01 avg. paid by Medicare

Mycophenolic acid, oral, 180 mg J7518

Treatment-Treatment - Miscellaneous · category RX029N

5 suppliers38 claims6,600 services$0.93 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

6 suppliers40 claims40 services$18.00 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

5 suppliers61 claims72 services$12.64 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 20

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

IFEATU UCHENNA OTI MD

Internal Medicine (Nephrology)