Dr. William Greenfield, MD
4301 W Markham St # 783, Little Rock, AR 72205 • +1-590-555-7145
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Little Rock Percentiles
NPI #1124118617 • CBSA Regional • Obstetrics & Gynecology
CMS Medicare Part B utilization records credit Dr. William Greenfield (MD, NPI 1124118617) at 4301 W Markham St # 783 in Little Rock with 5,509 annual clinical services (62 beneficiaries), corresponding to a +0.53σ regional deviation and upper-quartile active clinical volume (66.67th Little Rock percentile) with sub-specialty concentration in 17 Active CMS HCPCS Codes.
Among 5 tracked CMS fee-schedule codes for Dr. Greenfield (averaging 88.9 services per beneficiary), 99214 (Gynecologic, Menopause HRT & Endocrine Follow-Up) represents 39% of tracked volume (2149 encounters), paired with 76830 (1322x).
For out-of-network patients contacting +1-590-555-7145, Dr. Greenfield's practice posts a $209.00 GPCI self-pay consult estimate ($209.00 patient-logged median, 4.93/5 composite reality score over 8 submissions).
Clinical background for Dr. Greenfield (MD, NPI #1124118617) includes accredited doctoral training (2003, 23 yrs in practice) and virtual + in-office availability across AR.
Compared against Little Rock, AR Obstetrics & Gynecology peers
5,509 annual services across 62 beneficiaries
Standard deviations from AR 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 | 2,149 | 66.67th | $43 – $60 |
| 76830 | Transvaginal Pelvic & Ovarian Diagnostic Ultrasound | 1,322 | 63.67th | $56 – $77 |
| 99213 | Established Women’s Health & Preventive Care Visit | 1,102 | 66.67th | $34 – $49 |
| 58100 | Endometrial Sampling Biopsy w/ Cannula | 496 | 62.67th | $59 – $80 |
| 99204 | Comprehensive New Patient OB/GYN & Hormone Evaluation | 441 | 65.67th | $61 – $84 |
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Dr. William Greenfield, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Greenfield National Provider Identifier | NPI #1124118617 (MD) | CMS NPPES Registry (72205) |
| Dr. Greenfield Little Rock CMS Volume Rank | 66.67th Pct (5,509 CMS svcs; Z +0.528σ) | CMS Medicare Part B (AR Obstetrics & Gynecology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Little Rock, AR) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 10 min lobby wait | 8 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.79/5 Listening • 4.46/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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