Physician Profile
Teresa L. Irwin, MD
Unclaimed ProfileAbout Dr. Irwin
Teresa L. Irwin, MD practices obstetrics & gynecology in San Marcos, TX. Teresa is a 2000 graduate of Baylor College of Medicine. According to Medicare claims data, Teresa cared for 1,395 Medicare patients across 5,762 services. The services billed most often include injection, onabotulinumtoxina, 1 unit, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and pelvic exam.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (512) 396-7575
- Email not available
Practice Locations
1305 WONDER WORLD DR SUITE 209
San Marcos, TX 78666
Conditions Commonly Evaluated or Treated
Within Obstetrics and Gynecology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Endometriosis
- Heavy periods
- Menopause
- PCOS
- Pregnancy
- Yeast infection
Infections and vulvovaginal conditions
- Bacterial vaginosis
- Genital herpes
- Genital warts
- Vulvodynia
Menstrual and hormonal
- Absent periods
- Genitourinary syndrome of menopause
- Painful periods
- Perimenopause
- Premenstrual syndrome
Pelvic pain and benign gynecology
- Chronic pelvic pain
- Ovarian cysts
- Painful intercourse
- Pelvic organ prolapse
- Urinary incontinence in women
- Uterine fibroids
Pregnancy
- Ectopic pregnancy
- Gestational diabetes
- Hyperemesis gravidarum
- Miscarriage
- Placenta previa
- Postpartum depression
- Preeclampsia
- Preterm labor
Cancer and precancer
- Abnormal cervical cells and cervical dysplasia
- Cervical cancer
- Endometrial cancer
- Endometrial hyperplasia
- Ovarian cancer
Contraception
- Birth Control Side Effects
Fertility
- Infertility
- Recurrent Miscarriages
Infections
- Chlamydia
- Pelvic Inflammatory Disease (PID)
Pregnancy Complications
- High-risk pregnancy
- Twins or triplets
Vaginal & Vulvar Health
- Abnormal vaginal discharge
Procedures & services
Most searched procedures
- C-section
- Hysterectomy
- IUD insertion
- Pap smear
- Ultrasound
Contraception and office treatment
- Contraceptive implant insertion and removal
- Diaphragm fitting
- Pessary fitting and management
Pregnancy and delivery
- External cephalic version
- Forceps- or vacuum-assisted delivery
- Prenatal care
- Vaginal childbirth
Preventive and diagnostic
- Colposcopy
- Endometrial biopsy
- Human papillomavirus testing
Birth Control
- IUD Removal
Contraception
- Birth control counseling
Diagnostic Procedures
- Amniocentesis
Fertility
- Egg freezing
- Intrauterine Insemination (IUI)
Hormone & Menopause
- Hormone Replacement Therapy (HRT) Consultation
Laparoscopic and adnexal surgery
- Gynecologic laparoscopy
- Ovarian cyst removal
- Ovary removal
Pelvic floor
- Pelvic organ prolapse surgery
- Sling surgery for stress incontinence
Postpartum Care
- Postpartum Checkup
Pregnancy & Prenatal
- Fetal Heart Rate Monitoring
- Prenatal genetic screening
Preventive Care
- Well-woman exam
Preventive Screening
- STI Screening Panel
Routine Exams
- Pelvic exam
Surgeries
- Endometriosis Excision Surgery
- Labia Reduction
- Tubal Ligation ("Tubes Tied")
Uterine and cervical procedures
- Cervical cone biopsy
- Dilation and curettage
- Endometrial ablation
- Hysteroscopy
- LEEP
- Myomectomy
Procedures Most Often Billed to Medicare
5,762 services · 1,395 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of temporary bladder tube | Procedure | 51701 |
75 | More often than most peers in OB-GYN |
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
54 | As often as other peers in OB-GYN |
| Insertion of device into abdomen with pressure and urine flow rate study | Procedure | 51797 |
54 | More often than most peers in OB-GYN |
| Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings | Procedure | 51784 |
54 | More often than most peers in OB-GYN |
| Electronic assessment of bladder emptying | Procedure | 51741 |
54 | More often than most peers in OB-GYN |
| Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies | Procedure | 51729 |
54 | More often than most peers in OB-GYN |
| Exam with injections of chemical for destruction of bladder using an endoscope | Procedure | 52287 |
40 | More often than most peers in OB-GYN |
| Repair of bulging of rectum into vagina | Procedure | 45560 |
30 | Too few peers to compare |
| Injection of implant material beneath lining of bladder and/or urethra using an endoscope | Procedure | 51715 |
26 | More often than most peers in OB-GYN |
| Insertion or replacement of peripheral, sacral, or gastric neurostimulator generator or receiver | Procedure | 64590 |
24 | More often than most peers in OB-GYN |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other OB-GYNs at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other OB-GYNs in San Marcos 5
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Baylor College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of temporary bladder tube 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Irwin?
Dr. Irwin is an OB-GYN in San Marcos, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
What is Dr. Irwin's address?
Dr. Irwin is listed at 1305 Wonder World Dr Suite 209, San Marcos, TX 78666. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Irwin?
The number on file is (512) 396-7575. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Irwin's NPI number?
Dr. Irwin's National Provider Identifier is 1255330064. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Irwin train?
Dr. Irwin attended Baylor College of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Irwin been practicing?
Dr. Irwin has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Irwin perform?
According to Medicare billing data, Dr. Irwin performs procedures including insertion of temporary bladder tube, ultrasound measurement of bladder capacity after voiding and insertion of device into abdomen with pressure and urine flow rate study; reads or performs imaging such as ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina and imaging guidance for procedure, 60 minutes or less; provides treatments such as injection of drug or substance under skin or into muscle and electronic analysis of implanted neurostimulator generator with complex spinal cord or peripheral nerve stimulator programming, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Irwin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Irwin. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.