Dr. Karen Hammerman, MD
2408 Ocean Ave, Brooklyn, NY 11229 • +1-465-555-4145
Medical Education: Accredited U.S. Medical School (Class of 2016)
What This Doctor Actually Performs: CMS Medicare Utilization & Brooklyn Percentiles
NPI #1083934087 • CBSA Regional • Dermatology
Anchored in Brooklyn, NY 11229, Dr. Karen Hammerman, MD (NPI 1083934087) logged 2,720 annual procedures (mid-cohort balanced caseload (45.45th Brooklyn percentile), 53.77th NY percentile, -0.21σ) with sub-specialty concentration in 23 Active CMS HCPCS Codes.
Fee-schedule auditing of NPI 1083934087 highlights 914 annual claims for 17000 (45.45th Brooklyn percentile; $93–$128 self-pay corridor) plus 834 encounters under 99213 and 511 under 11102.
At 2408 Ocean Ave (11229), Dr. Karen Hammerman, MD accommodates direct self-pay scheduling (in-person clinic visits only) at ~$232.00 per new consult (4.55/5 bedside rating).
NPI registry verification (#1083934087) confirms Dr. Karen Hammerman's MD standing serving CBSA 11229 with a 4.74/5 patient scorecard.
Compared against Brooklyn, NY Dermatology peers
2,720 annual services across 538 beneficiaries
Standard deviations from NY Dermatology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 17000 | Cryotherapy Destruction of Premalignant Actinic Lesion | 914 | 45.45th | $93 – $128 |
| 99213 | Focused Cutaneous & Dermoscopic Examination | 834 | 45.45th | $104 – $143 |
| 11102 | Tangential Diagnostic Skin Biopsy of Single Lesion | 511 | 46.45th | $137 – $188 |
| 11401 | Excision of Benign Cutaneous Lesion (0.6 to 1.0 cm) | 269 | 46.45th | $192 – $263 |
| 99203 | New Patient Full-Body Skin Cancer & Dermatology Evaluation | 161 | 47.45th | $148 – $203 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (23 HCPCS billing breadth) | 31 | 45.45th | $114 – $165 |
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Dr. Karen Hammerman, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Hammerman National Provider Identifier | NPI #1083934087 (MD) | CMS NPPES Registry (11229) |
| Dr. Hammerman Brooklyn CMS Volume Rank | 45.45th Pct (2,720 CMS svcs; Z -0.211σ) | CMS Medicare Part B (NY Dermatology) |
| Fair Cash-Pay New-Patient Benchmark | $232.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Brooklyn, NY) |
| Waiting-Room Wait Time & Cash Friendliness | $232.00 avg paid • 15 min lobby wait | 9 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.55/5 Listening • 4.40/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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