Dr. Karin Hjalmarson, MD
822 Boylston St, Suite 102, Chestnut Hill, MA 02467 • +1-847-555-6019
Medical Education: Accredited U.S. Medical School (Class of 2003)
What This Doctor Actually Performs: CMS Medicare Utilization & Chestnut Hill Percentiles
NPI #1811987225 • CBSA Regional • Infectious Disease
Operating out of Chestnut Hill, MA (822 Boylston St, Suite 102), Infectious Disease clinician Dr. Karin Hjalmarson, MD (accredited MD/DO training, 2003) maintains a top-decile high-throughput specialist (99th percentile in Chestnut Hill) (69.44th MA percentile; Z-score -0.06σ across 1,213 documented services) with sub-specialty concentration in 29 Active CMS HCPCS Codes.
Dr. Hjalmarson's longitudinal care intensity (3.8 billed units per patient across 319 individuals) centers on 99214 (510 annual units) and 99213 ($137–$188 cash range).
At 822 Boylston St, Suite 102 (02467), Dr. Karin Hjalmarson, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$224.00 per new consult (4.62/5 bedside rating).
From 822 Boylston St, Suite 102 in Chestnut Hill (+1-847-555-6019), Dr. Hjalmarson, MD (23-year clinical track record) delivers 29 Active CMS HCPCS Codes care.
Top 10% Infectious Disease volume leader in Chestnut Hill, MA
1,213 annual services across 319 beneficiaries
Standard deviations from MA Infectious 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 | Moderate-to-High Complexity Internal Medicine Follow-Up | 510 | 99th | $180 – $246 |
| 99213 | Established Preventive & Chronic Care Visit | 295 | 99.5th | $137 – $188 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 147 | 98th | $66 – $90 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 113 | 99.5th | $211 – $289 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 68 | 98th | $250 – $342 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (29 HCPCS billing breadth) | 79 | 99th | $162 – $235 |
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Dr. Karin Hjalmarson, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Hjalmarson National Provider Identifier | NPI #1811987225 (MD) | CMS NPPES Registry (02467) |
| Dr. Hjalmarson Chestnut Hill CMS Volume Rank | 99.00th Pct (1,213 CMS svcs; Z -0.060σ) | CMS Medicare Part B (MA Infectious Disease) |
| Fair Cash-Pay New-Patient Benchmark | $224.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Chestnut Hill, MA) |
| Waiting-Room Wait Time & Cash Friendliness | $224.00 avg paid • 12 min lobby wait | 14 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.62/5 Listening • 4.56/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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