Physician Profile
Based in Austin, TX, Mary M. Rieger, M.D. is listed in the NPI registry under obstetrics & gynecology. Mary graduated from Baylor College of Medicine in 2014. Medicare claims data shows Mary provided 349 services to 299 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and ultrasound measurement of bladder capacity after voiding.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
911 W 38TH ST STE 202
Austin, TX 78705
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.
Most searched conditions
Infections and vulvovaginal conditions
Menstrual and hormonal
Pelvic pain and benign gynecology
Pregnancy
Cancer and precancer
Contraception
Fertility
Infections
Pregnancy Complications
Vaginal & Vulvar Health
Most searched procedures
Contraception and office treatment
Pregnancy and delivery
Preventive and diagnostic
Birth Control
Contraception
Diagnostic Procedures
Fertility
Hormone & Menopause
Laparoscopic and adnexal surgery
Pelvic floor
Postpartum Care
Pregnancy & Prenatal
Preventive Care
Preventive Screening
Routine Exams
Surgeries
Uterine and cervical procedures
349 services · 299 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
47 | As often as other peers in OB-GYN |
| Insertion of device into abdomen with pressure and urine flow rate study | Procedure | 51797 |
19 | Less often than most peers in OB-GYN |
| Complex measurement of pressure of urine flow in bladder with voiding pressure studies | Procedure | 51728 |
18 | As often as other peers in OB-GYN |
| Electronic assessment of bladder emptying | Procedure | 51741 |
16 | Less often than most peers in OB-GYN |
| Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings | Procedure | 51784 |
12 | Less often than most peers in OB-GYN |
| Creation of sling around urethra in female to control leakage | Procedure | 57288 |
11 | Less often than most peers in OB-GYN |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
79 | More often than most peers in OB-GYN |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
76 | More often than most peers in OB-GYN |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
38 | More often than most peers in OB-GYN |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
18 | Less 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.
Mary M. Rieger is an OB-GYN in Austin, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
Mary M. Rieger is listed at 911 W 38Th St Ste 202, Austin, TX 78705. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (512) 324-8670. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Mary M. Rieger's National Provider Identifier is 1134548399. 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
Mary M. Rieger attended Baylor College of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Mary M. Rieger has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mary M. Rieger performs procedures including ultrasound measurement of bladder capacity after voiding, insertion of device into abdomen with pressure and urine flow rate study and complex measurement of pressure of urine flow in bladder with voiding pressure studies, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Mary M. Rieger. 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.