ASHLEY U SO MD
NPI 1790719789
Internal Medicine in Irving, TX

Q: What is Ashley So's NPI number?

The NPI number for Ashley So is 1790719789. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Q: What is Ashley So's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ashley So was last updated on November 1, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 July 10, 2006PECOS EnrolledAccepts Medicare Assignment

6750 N MACARTHUR BLVD, STE. 350, IRVING, TX 75039(972) 556-1616(972) 556-1740 Get Directions Write a Review

NPPES record last updated: November 1, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 1, 2019, Oct 20, 2016, Jun 16, 2016 (3 updates tracked since 2016).

On this page

About Ashley U So Md NPPES

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

ASHLEY U SO MD (NPI 1790719789) is an individual internal medicine provider in Irving, Texas, licensed in Texas (L4134) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Medical City Las Colinas, and is a graduate of University Of Texas Medical Branch At Galveston (1998).

NPPES Registry Identity

NPI1790719789

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameASHLEY U SOCredential: MD

Location Address6750 N MACARTHUR BLVD, STE. 350Irving, TX 75039-2875

Mailing Address6750 N Macarthur Blvd Ste 350Irving, TX 75039-2484 · (972) 556-1616 · Fax (972) 831-3931

Phone(972) 556-1616

Fax(972) 556-1740

Sole ProprietorNo

Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 1998

Enumeration DateJuly 10, 2006

Last NPPES UpdateNovember 1, 20193 updates tracked since enumeration

✔ NPI 1790719789 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TX · L4134

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.

Also ListedFamily MedicineTaxonomy 207Q00000X · License L4134 (TX)

6750 N MACARTHUR BLVD, Irving, TX 75039

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Other Identifiers 5

Medicaid152234401TX

Medicaid152234404TX

Medicaid152234405TX

Medicaid152234402TX

Medicaid200839302TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ashley U So 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 ID3678639564

PECOS Enrollment IDI20090302000073

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.

Medicare Billing Reassignment

Medicare enrollment records show Ashley So reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Medical Clinic Of North Texas, PLLC

1.5 mi

Internal Medicine

6161 N STATE HIGHWAY 161 STE 200
Irving, TX 75038

Reassigned Medicare billing, Texas enrollment
379 clinicians in this Medicare group

NPI 1538117742 (972) 258-7499

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 24

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.

390 services212 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

333 services144 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

308 services142 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

306 services143 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

305 services143 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.

294 services139 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

274 services144 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

223 services128 patients

Urine microalbumin (protein) analysis 82044

Urine microalbumin analysis is a test that measures the amount of a protein called albumin in your urine. This protein is usually present in very small amounts, but higher levels can indicate kidney issues. The test is non-invasive and involves a simple urine sample.

156 services91 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

156 services91 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

110 services60 patients

Uric acid level, blood 84550

A blood uric acid level test measures the amount of uric acid in your blood. Uric acid is a waste product that your body produces when it breaks down purines, substances found in your body and in certain foods. High levels may lead to gout or kidney stones.

108 services66 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.

97 services97 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

92 services60 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

86 services71 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

76 services44 patients

Folic acid level, serum 82746

A Folic Acid Level, Serum test measures the amount of folic acid, a type of B vitamin, in your blood. This vitamin is important for cell growth and development. It's crucial for your body to function well. If your levels are low, it may indicate a deficiency, which can lead to health issues.

68 services45 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

61 services51 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

59 services49 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.

30 services29 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

29 services20 patients

Prostate cancer screening; prostate specific antigen test (psa) G0103

Prostate cancer screening involves a simple blood test known as the Prostate Specific Antigen (PSA) test. This test measures the level of PSA in your blood. Higher than normal levels can be an early indication of prostate issues, including cancer. It's a key tool in early detection.

20 services20 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.

13 services13 patients

Acute hepatitis panel 80074

An acute hepatitis panel is a set of blood tests that checks for specific markers in your blood that indicate a recent infection with a type of hepatitis virus. It helps determine which type of hepatitis you may have to guide appropriate treatment.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Medical City Las Colinas

Acute Care Hospitals · Irving, TX

2/5 CMS rating

OwnershipProprietary

CMS Certification Number450822

Location6800 N Macarthur BlvdIrving, TX 75039 · Dallas County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75039 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

$131.01 typical visit price

range $57.18 – $172.86

Typical copayment $32.75 (range $14.29 – $43.21)

Most-billed visit code 99204

Established Patient

$100.80 typical visit price

range $18.48 – $141.20

Typical copayment $25.20 (range $4.62 – $35.30)

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

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

4 suppliers11 claims49 services$6.12 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 20

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

TONI BERNETT LINDSEY DPT

Physical Therapist

6750 N MACARTHUR BLVD
IRVING, TX 75039

Dallas County (972) 969-2140

RUPAL CHINIWALA M.D.

Internal Medicine

6750 N MACARTHUR BLVD, SUITE 150
IRVING, TX 75039

Dallas County (972) 373-0303

BRENDA H. RUDD P.A.

Physician Assistant

6750 N MACARTHUR BLVD, BLDG. 2, SUITE 350
IRVING, TX 75039

Dallas County (972) 556-1616

DR. VIPIN PRABHU KURIACHAN M.D.

Ophthalmology

6750 N MACARTHUR BLVD, STE 205
IRVING, TX 75039

Dallas County (972) 823-6430

KRISTEN RICHESON CARMICHAEL M.D.

Obstetrics & Gynecology

6750 N MACARTHUR BLVD, SUITE 304
IRVING, TX 75039

Dallas County (972) 253-2530

GREEN OAKS HOSPITAL SUBSIDIARY LP

Clinic/Center

6750 N MACARTHUR BLVD
IRVING, TX 75039

Dallas County (972) 991-9504

DARLENE ANNIE KURIAN M.D.

Pediatrics

6750 N MACARTHUR BLVD, STE 206
IRVING, TX 75039

Dallas County (972) 253-4345

NORTHSIDE OBSTETRICAL AND GYNECOLOGICAL ASSOCIATES PA

Specialist

6750 N MACARTHUR BLVD, STE 206
IRVING, TX 75039

Dallas County (972) 406-9911

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 Ashley So's NPI number?

The NPI number for Ashley So is 1790719789. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Where is Ashley So located?

Ashley So practices at 6750 N Macarthur Blvd Ste. 350, Irving, TX 75039. The listed phone number is (972) 556-1616.

What is Ashley So's specialty?

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

Is Ashley So enrolled in Medicare?

Yes. Ashley So 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.

Which organization bills Medicare for Ashley So's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashley So reassigns Medicare benefits to Medical Clinic Of North Texas, PLLC (Irving, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ashley So's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ashley So accept?

Health plans from Blue Cross and Blue Shield of Texas list Ashley So 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 Ashley So affiliated with any hospitals?

According to CMS data, Ashley So is affiliated with Medical City Las Colinas.

When was this NPI record last updated?

The NPPES record for Ashley So was last updated on November 1, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.