Dr. Margaret Ferry, MD
33 Riddell St, Suite 8, Greenfield, MA 01301 • +1-286-555-3941
Medical Education: Accredited U.S. Medical School (Class of 2000)
What This Doctor Actually Performs: CMS Medicare Utilization & Greenfield Percentiles
NPI #1457454894 • CBSA Regional • Endocrinology
Operating out of Greenfield, MA (33 Riddell St, Suite 8), Endocrinology clinician Dr. Margaret Ferry, MD (accredited MD/DO training, 2000) maintains a focused low-volume boutique caseload (0th Greenfield percentile) (34.07th MA percentile; Z-score -0.54σ across 1,117 documented services) with sub-specialty concentration in 14 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1457454894 highlights 491 annual claims for 99214 (12th Greenfield percentile; $264–$361 self-pay corridor) plus 246 encounters under 95251 and 179 under 76536.
Uninsured and high-deductible cash patients visiting Dr. Margaret Ferry in Greenfield (01301) face an estimated $224.00 initial evaluation fee at 33 Riddell St, Suite 8 (hybrid in-clinic and telehealth video consults; 16-minute average reception wait; bedside manner 4.90/5 from 26 verified reports).
NPI registry verification (#1457454894) confirms Dr. Margaret Ferry's MD standing serving CBSA 01301 with a 4.91/5 patient scorecard.
Compared against Greenfield, MA Endocrinology peers
1,117 annual services across 478 beneficiaries
Standard deviations from MA Endocrinology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Complex Endocrine, Thyroid & Metabolic Biomarker Management | 491 | 12th | $264 – $361 |
| 95251 | Ambulatory Continuous Glucose Monitoring (CGM) Data Analysis | 246 | 12th | $165 – $226 |
| 76536 | High-Resolution Thyroid & Parathyroid Neck Ultrasound | 179 | 12th | $318 – $436 |
| 99204 | Comprehensive New Patient Endocrine & Hormone Workup | 134 | 12th | $362 – $497 |
| 99215 | High-Complexity Multi-Hormone & Insulin Pump Titration | 67 | 12th | $406 – $557 |
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Dr. Margaret Ferry, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Ferry National Provider Identifier | NPI #1457454894 (MD) | CMS NPPES Registry (01301) |
| Dr. Ferry Greenfield CMS Volume Rank | 0.00th Pct (1,117 CMS svcs; Z -0.539σ) | CMS Medicare Part B (MA Endocrinology) |
| Fair Cash-Pay New-Patient Benchmark | $224.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Greenfield, MA) |
| Waiting-Room Wait Time & Cash Friendliness | $224.00 avg paid • 16 min lobby wait | 26 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.90/5 Listening • 4.58/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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