Physician Profile
Mary T. Grimm, M.D. is a healthcare provider in Chesterfield, MO specializing in obstetrics & gynecology. According to Medicare claims data, Mary cared for 286 Medicare patients across 305 services. The services billed most often include cervical or vaginal cancer screening; pelvic and clinical breast examination, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and dxa bone density measurement of hip, pelvis, spine.
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.
226 S WOODS MILL RD SUITE 60 WEST
Chesterfield, MO 63017
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
305 services · 286 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
27 | As often as other peers in OB-GYN |
| Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | Imaging | 76830 |
12 | Less often than most peers in OB-GYN |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | Billing code | G0101 |
132 | More 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 |
108 | More than most peers in OB-GYN |
| Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Billing code | Q0091 |
26 | As often as other peers in OB-GYN |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Mary T. Grimm is an OB-GYN in Chesterfield, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.
NPI registry
Mary T. Grimm is listed at 226 S Woods Mill Rd Suite 60 West, Chesterfield, MO 63017. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (314) 878-7333. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Mary T. Grimm's National Provider Identifier is 1699866558. 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 T. Grimm has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Mary T. Grimm performs imaging including dxa bone density measurement of hip, pelvis, spine and ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina, 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 T. Grimm. 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.