DR. TERESA LYNN IRWIN MD
NPI 1255330064
Obstetrics & Gynecology - Urogynecology and Reconstructive Pelvic Surgery in San Marcos, TX

Q: What is Teresa Irwin's NPI number?

The NPI number for Teresa Irwin is 1255330064. It was assigned to this individual provider in the NPPES registry on July 14, 2005. The provider is also known as Dr. Teresa Lynn Laue MD.

Q: What is Teresa Irwin's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Urogynecology and Reconstructive Pelvic Surgery, with taxonomy code 207VF0040X.

Q: When was this NPI record last updated?

The NPPES record for Teresa Irwin was last updated on November 4, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 14, 2005PECOS EnrolledAccepts Medicare Assignment

83.01/100

CMS Quality Rating

1305 WONDER WORLD DR, SUITE 209, SAN MARCOS, TX 78666(512) 396-7575(512) 396-7555 Get Directions Write a Review

NPPES record last updated: November 4, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Teresa Lynn Irwin Md NPPES

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

DR. TERESA LYNN IRWIN MD (NPI 1255330064) is an individual urogynecology and reconstructive pelvic surgery provider in San Marcos, Texas, licensed in Texas (TX-K3911) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS, is affiliated with Guadalupe Regional Medical Center, and is a graduate of Baylor College Of Medicine (2000).

NPPES Registry Identity

NPI1255330064

Entity TypeIndividualFemale

Primary Taxonomy207VF0040X

Provider Legal NameDR. TERESA LYNN IRWINCredential: MD

Location Address1305 WONDER WORLD DR, SUITE 209San Marcos, TX 78666-7546

Mailing Address1305 Wonder World Dr, Suite 209San Marcos, TX 78666-7546 · (512) 396-7575 · Fax (512) 396-7555

Phone(512) 396-7575

Fax(512) 396-7555

Sole ProprietorNo

Medical School CMSBaylor College Of MedicineGraduated 2000

Enumeration DateJuly 14, 2005

Last NPPES UpdateNovember 4, 2013

✔ NPI 1255330064 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Urogynecology and Reconstructive Pelvic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207VF0040X

License✔ Licensed in TX · TX-K3911

Definition

A subspecialist in Urogynecology and Reconstructive Pelvic Surgery is a physician in Urology or Obstetrics and Gynecology who, by virtue of education and training, is prepared to provide consultation and comprehensive management of women with complex benign pelvic conditions, lower urinary tract disorders, and pelvic floor dysfunction. Comprehensive management includes those diagnostic and therapeutic procedures necessary for the total care of the patient with these conditions and complications resulting from them.

Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License K3911 (TX)

1305 WONDER WORLD DR, San Marcos, TX 78666

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Other Names 1

Other Name (5)Dr. Teresa Lynn Laue Md

Other Identifiers 3

Medicare UPINH20040

Medicare PIN8921M0TX

Medicaid0310765-02TX

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Teresa Lynn Irwin 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 ID7810071172

PECOS Enrollment IDI20120327000616

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 Teresa Irwin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Unified Women's Healthcare Of Texas PLLC

224 mi

Obstetrics & Gynecology

15303 DALLAS PKWY STE 650
Addison, TX 75001

Reassigned Medicare billing, Texas enrollment
Medicare enrollment name: Unified Womens Healthcare Of Texas PLLC
271 clinicians in this Medicare group

NPI 1952703373 (561) 300-2410

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 32

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.

Injection, onabotulinumtoxina, 1 unit J0585

Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.

4,000 services27 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.

257 services187 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

230 services133 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.

227 services157 patients

Insertion of temporary bladder tube 51701

This procedure involves placing a small tube into your lower abdomen to help drain urine from your bladder. It's a temporary measure, often used when normal urination is not possible. The tube remains in place until you can urinate on your own again.

75 services47 patients

Injection, ceftriaxone sodium, per 250 mg J0696

Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.

69 services16 patients

Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies 51729

This procedure helps to measure the pressure inside your bladder while passing fluid. It checks how well your bladder and the tube that carries fluid from your bladder are working. It's important for diagnosing issues with fluid flow and storage.

54 services54 patients

Electronic assessment of bladder emptying 51741

Electronic assessment of bladder emptying is a non-invasive test that measures how well your bladder functions. It uses ultrasound technology to create images of your bladder before and after you use the restroom, helping to identify any issues with bladder emptying.

54 services54 patients

Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings 51784

This procedure involves the use of non-invasive devices to record the electrical activity of muscles at specific body openings. It's helpful in understanding muscle function and can assist in diagnosing certain conditions.

54 services54 patients

Insertion of device into abdomen with pressure and urine flow rate study 51797

This procedure involves placing a small device into your abdomen to monitor pressure and urine flow rates. It helps in understanding how well your body is processing and eliminating liquid waste. It's a safe procedure, typically performed under local anesthesia.

54 services54 patients

Ultrasound measurement of bladder capacity after voiding 51798

Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.

54 services54 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

50 services42 patients

Exam with injections of chemical for destruction of bladder using an endoscope 52287

This procedure involves the use of a thin, flexible tube with a light (endoscope) for internal examination. A chemical is then injected to help eliminate specific issues in the bladder. It's a standard and safe process.

40 services27 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

39 services39 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

35 services35 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.

31 services29 patients

Repair of bulging of rectum into vagina 45560

This procedure corrects a condition where the rectum pushes into the back wall of the vagina. It's done by strengthening the tissues and muscles between the rectum and vagina. This helps to restore normal structure and function.

30 services30 patients

Injection of implant material beneath lining of bladder and/or urethra using an endoscope 51715

This is a procedure where a substance is inserted under the bladder or urethra lining using a special instrument called an endoscope. This helps to support these areas and improve their function. It's done in a safe, controlled medical environment.

26 services26 patients

Insertion or replacement of peripheral, sacral, or gastric neurostimulator generator or receiver 64590

The insertion of a peripheral or gastric neurostimulator generator is a procedure that helps manage chronic pain or gastric conditions. A small device is surgically placed under the skin, which sends mild electrical signals to the nerves involved.

24 services23 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

24 services17 patients

Surgical repair of vaginal defect using an endoscope 57425

This procedure involves the use of a special instrument, an endoscope, to help fix an issue within your body. It's a minimally invasive method, meaning less discomfort and quicker recovery compared to traditional surgery.

23 services23 patients

Removal of surface implant from bone 20670

Removal of a surface implant from bone is a surgical procedure where a previously placed implant on a bone is carefully taken out. This might be due to complications, healing, or device lifespan. It's performed under anesthesia to ensure comfort.

21 services21 patients

Imaging guidance for procedure, 60 minutes or less 76000

Imaging guidance is a procedure where real-time images are used to direct medical tools during a treatment. This technique helps to improve accuracy and safety. The procedure typically lasts 60 minutes or less.

20 services19 patients

Electronic analysis of implanted neurostimulator generator with complex spinal cord or peripheral nerve stimulator programming 95972

This procedure involves electronically analyzing an implanted neurostimulator. This device sends electrical pulses to your spinal cord or peripheral nerves to manage pain. The programming is complex, requiring expert analysis to ensure proper functioning.

20 services19 patients

Diagnostic exam of bladder and urethra using an endoscope 52000

This procedure involves using a thin, flexible tube with a light, called an endoscope, to examine the bladder and urethra. It helps in identifying any abnormalities or issues that may be causing discomfort or other symptoms.

19 services19 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.

19 services19 patients

Creation of sling around urethra in female to control leakage 57288

This procedure involves creating a supportive loop around a tube in your lower body that carries liquid waste. This helps manage any unwanted leakage, providing you with better control and comfort.

18 services18 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

16 services13 patients

Insertion of sacral nerve neurostimulator electrode 64581

The insertion of a sacral nerve neurostimulator electrode is a procedure to help manage chronic pain. A small device is placed under the skin near the lower back. This device sends mild electrical pulses to the nerves in the lower spine, helping to control pain signals.

14 services14 patients

Biopsy of lining of uterus and/or removal of polyp using an endoscope 58558

This procedure involves using a thin, flexible tool (endoscope) to examine and possibly remove a small tissue sample from the inner layer of your uterus. It may also involve removing a growth. It helps to identify any issues and plan the right treatment.

13 services13 patients

Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less 58571

This procedure involves the removal of certain internal structures through small incisions in the abdomen, using a special tool called an endoscope. It's performed when these structures are causing health issues. The weight reference (250.0 g or less) relates to the size of the structures being removed.

13 services13 patients

Insertion of sacral nerve neurostimulator electrode array 64561

The insertion of a sacral nerve neurostimulator electrode array is a procedure where a small device is placed under your skin. This device sends mild electrical pulses to your sacral nerves, which can help manage certain body functions and alleviate symptoms.

12 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Guadalupe Regional Medical Center

Acute Care Hospitals · Seguin, TX

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number450104

Location1215 E Court StSeguin, TX 78155 · Guadalupe County

Emergency services Birthing friendly

Christus Santa Rosa Hospital-San Marcos

Acute Care Hospitals · San Marcos, TX

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450272

Location1301 Wonder World DriveSan Marcos, TX 78666 · Hays County

Emergency services Birthing friendly

Resolute Health Hospital

Acute Care Hospitals · New Braunfels, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number670098

Location555 Creekside Xing,New Braunfels, TX 78130 · Comal County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78666 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

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.01/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

69.11

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Advance Care Plan

74%478 patients3/55-star benchmark: 100%

Breast Cancer Screening

64%421 patients3/55-star benchmark: 93%

Cervical Cancer Screening

72%151 patients3/55-star benchmark: 98%

Closing the Referral Loop: Receipt of Specialist Report

40%266 patients2/55-star benchmark: 87%

Colorectal Cancer Screening

63%504 patients3/55-star benchmark: 88%

Controlling High Blood Pressure

55%20 patients3/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

95%1,603 patients4/55-star benchmark: 100%

e-Prescribing

99%1,593 patients4/55-star benchmark: 100%

HIV Screening

6%310 patients1/55-star benchmark: 60%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

29%752 patients2/55-star benchmark: 98%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

15%1,459 patients2/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients screened: 79% · 445 patients

76%445 patients

Provide Patients Electronic Access to Their Health Information

92%530 patients4/55-star benchmark: 100%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 1% · 485 patients

Patients totalRate: 27% · 486 patients

26%486 patients2/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

DR. WILLIAM K DESCHNER M.D.

Internal Medicine (Gastroenterology)

1305 WONDER WORLD DR, SUITE 200
SAN MARCOS, TX 78666

Hays County (512) 754-8676

RX MANAGEMENT CONSULTANTS

Pharmacist

1305 WONDER WORLD DR, STE 102
SAN MARCOS, TX 78666

Hays County (512) 392-6777

WENDELL M HOLLADAY CRNA

Nurse Anesthetist, Certified Registered

1305 WONDER WORLD DR, STE. 105
SAN MARCOS, TX 78666

Hays County (512) 353-8161

DR. CARLOS NEGHME M.D.

Internal Medicine (Gastroenterology)

1305 WONDER WORLD DR, SUITE 200
SAN MARCOS, TX 78666

Hays County (512) 754-8676

BUDA MEDICAL AND SURGICAL CLINIC

Internal Medicine

1305 WONDER WORLD DR, STE 206
SAN MARCOS, TX 78666

Hays County (512) 396-1525

MS. DEBORAH YOUNG HALL RNC,WHCNP

Nurse Practitioner (Women's Health)

1305 WONDER WORLD DR, SUITE 209
SAN MARCOS, TX 78666

Hays County (512) 396-7575

MRS. CAROL ANN COX GARNER MSN,CS,FNP

Nurse Practitioner (Family)

1305 WONDER WORLD DR, SUITE 209
SAN MARCOS, TX 78666

Hays County (512) 396-7575

MR. JESUS NAJIB SAHAD M.D.

Internal Medicine (Pulmonary Disease)

1305 WONDER WORLD DR, STE 209
SAN MARCOS, TX 78666

Hays County (512) 353-6400

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 Teresa Irwin's NPI number?

The NPI number for Teresa Irwin is 1255330064. It was assigned to this individual provider in the NPPES registry on July 14, 2005. The provider is also known as Dr. Teresa Lynn Laue MD.

Where is Teresa Irwin located?

Teresa Irwin practices at 1305 Wonder World Dr Suite 209, San Marcos, TX 78666. The listed phone number is (512) 396-7575.

What is Teresa Irwin's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Urogynecology and Reconstructive Pelvic Surgery, with taxonomy code 207VF0040X.

Is Teresa Irwin enrolled in Medicare?

Yes. Teresa Irwin 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 Teresa Irwin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Teresa Irwin reassigns Medicare benefits to Unified Women's Healthcare Of Texas PLLC (Addison, 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 Teresa Irwin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Teresa Irwin accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list Teresa Irwin 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 Teresa Irwin affiliated with any hospitals?

According to CMS data, Teresa Irwin is affiliated with Guadalupe Regional Medical Center, Christus Santa Rosa Hospital-San Marcos and Resolute Health Hospital.

When was this NPI record last updated?

The NPPES record for Teresa Irwin was last updated on November 4, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.