Jon Karch, MD
NPI 1710203880 · Hospitalist Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jon Karch, MD is a Hospitalist Physician provider in Santa Rosa, CA (NPI 1710203880).
Provider details
- NPI number
- 1710203880
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 1025380 (CA)
Specialties & taxonomies
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
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
400 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 228 | $214 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 41 | $81 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 24 | $83 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 22 | $14 |
| Critical Care, Each Additional 30 Minutes99292 | 18 | $108 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 17 | $44 |
Practice location
Mailing address
Additional practice locations (2)
- 2455 Bennett Valley Rd Ste C219Santa Rosa, CA 95404-5651Phone: (707) 524-4690Fax: (707) 524-4687
- 34 Mark West Springs RdSanta Rosa, CA 95403-1766Phone: (707) 576-4500Fax: (707) 541-9108
Registry dates
- Enumerated
- 2010-04-14
- Last updated
- 2020-03-04
- Certified
- 2020-03-04
Frequently asked questions
- What is Jon Karch's NPI number?
- Jon Karch's National Provider Identifier (NPI) is 1710203880, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jon Karch's specialty?
- Jon Karch is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Jon Karch located?
- Jon Karch's practice location on file with NPPES is 30 Mark West Springs Rd, Santa Rosa, CA 95403-1436.
- What is Jon Karch's phone number?
- The practice phone number listed in the NPPES registry for Jon Karch is (707) 576-4000.
- Does Jon Karch accept Medicare?
- Jon Karch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jon Karch's NPI active?
- Yes — Jon Karch's NPI (1710203880) is active in the NPPES registry as of the last update on 2020-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.