Dr. Katherine Maher, MD
161 Thomas Johnson DR Ste 250, Frederick, MD 21702 • +1-550-555-2013
Medical Education: Accredited U.S. Medical School (Class of 2000)
What This Doctor Actually Performs: CMS Medicare Utilization & Frederick Percentiles
NPI #1225353865 • CBSA Regional • Rheumatology
Operating out of Frederick, MD (161 Thomas Johnson DR Ste 250), Rheumatology clinician Dr. Katherine Maher, MD (accredited MD/DO training, 2000) maintains a mid-cohort balanced caseload (50th Frederick percentile) (40.86th MD percentile; Z-score -0.31σ across 52,569 documented services) with sub-specialty concentration in 115 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1225353865 highlights 2887 annual claims for 99214 (50th Frederick percentile; $45–$62 self-pay corridor) plus 1318 encounters under 20610 and 941 under 96413.
At 161 Thomas Johnson DR Ste 250 (21702), Dr. Katherine Maher, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$209.00 per new consult (4.78/5 bedside rating).
From 161 Thomas Johnson DR Ste 250 in Frederick (+1-550-555-2013), Dr. Maher, MD (26-year clinical track record) delivers 115 Active CMS HCPCS Codes care.
Compared against Frederick, MD Rheumatology peers
52,569 annual services across 681 beneficiaries
Standard deviations from MD Rheumatology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Autoimmune Arthritis & Biologic/DMARD Safety Evaluation | 2,887 | 50th | $45 – $62 |
| 20610 | Large Joint Synovial Arthrocentesis or Corticosteroid Injection | 1,318 | 47th | $36 – $51 |
| 96413 | Intravenous Biologic Infusion Therapy (First Hour) | 941 | 46th | $62 – $85 |
| 76881 | Complete Joint Synovitis High-Resolution Ultrasound | 628 | 51th | $47 – $65 |
| 99204 | New Patient Autoimmune & Rheumatology Diagnostic Workup | 502 | 50th | $62 – $85 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (115 HCPCS billing breadth) | 46,293 | 50th | $45 – $65 |
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Dr. Katherine Maher, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Maher National Provider Identifier | NPI #1225353865 (MD) | CMS NPPES Registry (21702) |
| Dr. Maher Frederick CMS Volume Rank | 50.00th Pct (52,569 CMS svcs; Z -0.311σ) | CMS Medicare Part B (MD Rheumatology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Frederick, MD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 15 min lobby wait | 23 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.78/5 Listening • 4.72/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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