Dr. Mark Oldendorf, MD
407 Albany Shaker Rd Ste 100, Loudonville, NY 12211 • +1-865-555-2467
Medical Education: Accredited U.S. Medical School (Class of 1996)
What This Doctor Actually Performs: CMS Medicare Utilization & Loudonville Percentiles
NPI #1427147800 • CBSA Regional • Internal Medicine
Operating out of Loudonville, NY (407 Albany Shaker Rd Ste 100), Internal Medicine clinician Dr. Mark Oldendorf, MD (accredited MD/DO training, 1996) maintains a upper-quartile active clinical volume (66.67th Loudonville percentile) (57.75th NY percentile; Z-score -0.13σ across 1,847 documented services) with sub-specialty concentration in 31 Active CMS HCPCS Codes.
Procedural volume for Dr. Oldendorf is led by HCPCS 99214 (Moderate-to-High Complexity Internal Medicine Follow-Up — 812 annual services, $94–$129 GPCI cash estimate), followed by CPT 99213 (Established Preventive & Chronic Care Visit, 469/yr) and CPT 93000 (In-Office 12-Lead Resting Electrocardiogram, 235/yr).
Uninsured and high-deductible cash patients visiting Dr. Mark Oldendorf in Loudonville (12211) face an estimated $232.00 initial evaluation fee at 407 Albany Shaker Rd Ste 100 (hybrid in-clinic and telehealth video consults; 13-minute average reception wait; bedside manner 4.60/5 from 25 verified reports).
Credentialed as an MD specialist with 30 years post-graduation experience since completing medical school at an LCME/COCA institution (1996), Dr. Oldendorf coordinates 31 Active CMS HCPCS Codes workups from 407 Albany Shaker Rd Ste 100 (+1-865-555-2467).
Compared against Loudonville, NY Internal Medicine peers
1,847 annual services across 377 beneficiaries
Standard deviations from NY Internal Medicine 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 | 812 | 66.67th | $94 – $129 |
| 99213 | Established Preventive & Chronic Care Visit | 469 | 63.67th | $72 – $99 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 235 | 69.67th | $34 – $49 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 181 | 70.67th | $111 – $152 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 108 | 64.67th | $131 – $180 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (31 HCPCS billing breadth) | 42 | 66.67th | $85 – $123 |
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Dr. Mark Oldendorf, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Oldendorf National Provider Identifier | NPI #1427147800 (MD) | CMS NPPES Registry (12211) |
| Dr. Oldendorf Loudonville CMS Volume Rank | 66.67th Pct (1,847 CMS svcs; Z -0.128σ) | CMS Medicare Part B (NY Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $232.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Loudonville, NY) |
| Waiting-Room Wait Time & Cash Friendliness | $232.00 avg paid • 13 min lobby wait | 25 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.60/5 Listening • 4.41/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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