Christoph Karch, M.D., DR.MED.
NPI 1629396684 · Neuromuscular Medicine (Psychiatry & Neurology) Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christoph Karch, M.D., DR.MED. is a Neuromuscular Medicine (Psychiatry & Neurology) Physician provider in San Jose, CA (NPI 1629396684).
Provider details
- NPI number
- 1629396684
- Entity type
- Individual
- Primary specialty
- Neuromuscular Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., DR.MED.
- Sex
- Male
- Sole proprietor
- No
- License
- A129008 (CA)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
175 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 48 | $111 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 47 | $196 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 39 | $165 |
| Critical Care, First 30-74 Minutes99291 | 24 | $235 |
| Telephone Or Internet Assessment With Verbal and Written Report By Consulting Physician, 21-30 Minutes99448 | 17 | $61 |
Typical Medicare-allowed amounts for these services range $61–$235 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levetiracetam | 150 | 33 |
| Lamotrigine | 109 | 20 |
| Carbamazepine | 86 | 14 |
| Lacosamide | 77 | — |
| Divalproex Sodium | 76 | 11 |
| Gabapentin | 74 | 13 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 48 | 14 |
| Oxcarbazepine | 46 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-05-13
- Last updated
- 2015-10-30
Frequently asked questions
- What is Christoph Karch's NPI number?
- Christoph Karch's National Provider Identifier (NPI) is 1629396684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christoph Karch's specialty?
- Christoph Karch is listed in the NPPES registry with a primary specialty of Neuromuscular Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is Christoph Karch located?
- Christoph Karch's practice location on file with NPPES is 751 S Bascom Ave, San Jose, CA 95128-2604.
- What is Christoph Karch's phone number?
- The practice phone number listed in the NPPES registry for Christoph Karch is (408) 885-5000.
- Does Christoph Karch accept Medicare?
- Christoph Karch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christoph Karch's NPI active?
- Yes — Christoph Karch's NPI (1629396684) is active in the NPPES registry as of the last update on 2015-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.