Dr. Anne Grzegorczyk, MD
2700 Ygnacio Valley Rd Ste 100, Walnut Creek, CA 94598 • +1-216-555-1050
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Walnut Creek Percentiles
NPI #1720434004 • CBSA Regional • Pulmonary Disease
Dr. Anne Grzegorczyk, MD (NPI #1720434004) practices Pulmonary Disease in Walnut Creek, CA (94598) with sub-specialty concentration in 54 Active CMS HCPCS Codes, recording 1,603 annual CMS services across 485 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (11.76th Walnut Creek percentile) (-0.28σ vs CA state mean, 45.77th statewide percentile).
Among 5 tracked CMS fee-schedule codes for Dr. Grzegorczyk (averaging 3.3 services per beneficiary), 99214 (Established Pulmonary, Asthma & COPD Management) represents 41% of tracked volume (657 encounters), paired with 94060 (369x).
Self-pay new patient consultations with Dr. Grzegorczyk (CPT 99204 GPCI-adjusted benchmark) estimate around $239.00 (community reported average: $239.00) with hybrid in-clinic and telehealth video consults, 11-minute average reception wait, and a 4.48/5 modern protocol openness score across 17 patient logs.
Credentialed as an MD specialist with 23 years post-graduation experience since completing medical school at an LCME/COCA institution (2003), Dr. Grzegorczyk coordinates 54 Active CMS HCPCS Codes workups from 2700 Ygnacio Valley Rd Ste 100 (+1-216-555-1050).
Compared against Walnut Creek, CA Pulmonary Disease peers
1,603 annual services across 485 beneficiaries
Standard deviations from CA Pulmonary Disease mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Pulmonary, Asthma & COPD Management | 657 | 12th | $246 – $337 |
| 94060 | Pre- & Post-Bronchodilator Spirometry Airflow Evaluation | 369 | 12.76th | $160 – $220 |
| 94729 | Alveolar Carbon Monoxide Diffusing Capacity (DLCO) | 273 | 12.76th | $145 – $199 |
| 95810 | Attended Sleep Apnea Polysomnography Interpretation | 176 | 16.76th | $449 – $615 |
| 99204 | Comprehensive New Patient Respiratory & Sleep Workup | 128 | 14.76th | $346 – $474 |
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Dr. Anne Grzegorczyk, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Grzegorczyk National Provider Identifier | NPI #1720434004 (MD) | CMS NPPES Registry (94598) |
| Dr. Grzegorczyk Walnut Creek CMS Volume Rank | 11.76th Pct (1,603 CMS svcs; Z -0.281σ) | CMS Medicare Part B (CA Pulmonary Disease) |
| Fair Cash-Pay New-Patient Benchmark | $239.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Walnut Creek, CA) |
| Waiting-Room Wait Time & Cash Friendliness | $239.00 avg paid • 11 min lobby wait | 17 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.86/5 Listening • 4.48/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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