Dr. Mary Mclennan, MD
1031 Bellevue Ave Ste 200, Saint Louis, MO 63117 • +1-709-555-6144
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Saint Louis Percentiles
NPI #1659382216 • CBSA Regional • Obstetrics & Gynecology
Dr. Mary Mclennan, MD (NPI #1659382216) practices Obstetrics & Gynecology in Saint Louis, MO (63117) with sub-specialty concentration in 44 Active CMS HCPCS Codes, recording 2,479 annual CMS services across 170 distinct beneficiaries—placing this practice as a upper-quartile active clinical volume (70th Saint Louis percentile) (+0.04σ vs MO state mean, 66.67th statewide percentile).
Fee-schedule auditing of NPI 1659382216 highlights 140 annual claims for 99214 (70th Saint Louis percentile; $43–$60 self-pay corridor) plus 86 encounters under 76830 and 72 under 99213.
At 1031 Bellevue Ave Ste 200 (63117), Dr. Mary Mclennan, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$209.00 per new consult (4.68/5 bedside rating).
Spanning 23 years of clinical practice following 2003 graduation from medical training, Dr. Mary Mclennan integrates 44 Active CMS HCPCS Codes diagnostics for Saint Louis metro patients.
Compared against Saint Louis, MO Obstetrics & Gynecology peers
2,479 annual services across 170 beneficiaries
Standard deviations from MO Obstetrics & Gynecology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Gynecologic, Menopause HRT & Endocrine Follow-Up | 140 | 70th | $43 – $60 |
| 76830 | Transvaginal Pelvic & Ovarian Diagnostic Ultrasound | 86 | 72th | $56 – $77 |
| 99213 | Established Women’s Health & Preventive Care Visit | 72 | 75th | $34 – $49 |
| 58100 | Endometrial Sampling Biopsy w/ Cannula | 32 | 66th | $59 – $80 |
| 99204 | Comprehensive New Patient OB/GYN & Hormone Evaluation | 29 | 75th | $61 – $84 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (44 HCPCS billing breadth) | 2,120 | 70th | $45 – $65 |
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Dr. Mary Mclennan, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Mclennan National Provider Identifier | NPI #1659382216 (MD) | CMS NPPES Registry (63117) |
| Dr. Mclennan Saint Louis CMS Volume Rank | 70.00th Pct (2,479 CMS svcs; Z +0.036σ) | CMS Medicare Part B (MO Obstetrics & Gynecology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Saint Louis, MO) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 15 min lobby wait | 11 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.68/5 Listening • 4.89/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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