Karl Unkenholz, M.D.
NPI 1215914429 · Emergency Medicine Physician · Potsdam, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Unkenholz, M.D. is a Emergency Medicine Physician provider in Potsdam, NY (NPI 1215914429).
Provider details
- NPI number
- 1215914429
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD14392 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
204 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 96 | $116 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 64 | $166 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 32 | $68 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 12 | $8 |
Typical Medicare-allowed amounts for these services range $8–$166 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 49 | 48 |
| Azithromycin | 34 | 34 |
| Cephalexin | 28 | 28 |
| Doxycycline Hyclate | 23 | 23 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 19 | 19 |
| Tramadol Hcl | 19 | 19 |
| Metronidazole | 16 | 16 |
| Albuterol Sulfate |
Practice location
Mailing address
Additional practice locations (1)
- 275 E 200 SSalt Lake City, UT 84111-2002Phone: (800) 336-1884
Registry dates
- Enumerated
- 2005-12-29
- Last updated
- 2025-01-07
- Certified
- 2025-01-07
Frequently asked questions
- What is Karl Unkenholz's NPI number?
- Karl Unkenholz's National Provider Identifier (NPI) is 1215914429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Unkenholz's specialty?
- Karl Unkenholz is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Unkenholz located?
- Karl Unkenholz's practice location on file with NPPES is 50 Leroy St, Potsdam, NY 13676-1786.
- What is Karl Unkenholz's phone number?
- The practice phone number listed in the NPPES registry for Karl Unkenholz is (315) 265-3300.
- Does Karl Unkenholz accept Medicare?
- Karl Unkenholz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Unkenholz's NPI active?
- Yes — Karl Unkenholz's NPI (1215914429) is active in the NPPES registry as of the last update on 2025-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.