Christopher Knopick, MD
NPI 1144426636 · Urology Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Knopick, MD is a Urology Physician provider in Vallejo, CA (NPI 1144426636).
Provider details
- NPI number
- 1144426636
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 47713 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
14 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 14 | $146 |
Typical Medicare-allowed amounts for these services range $146–$146 (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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Finasteride | 601 | 199 |
| Tamsulosin Hcl | 540 | 196 |
| Trospium Chloride | 117 | 45 |
| Ciprofloxacin Hcl | 83 | 66 |
| Mirabegronbrand: Myrbetriq | 63 | 27 |
| Terazosin Hcl | 49 | 15 |
| Tadalafil | 45 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$60 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-22
- Last updated
- 2023-12-16
- Certified
- 2023-12-16
Frequently asked questions
- What is Christopher Knopick's NPI number?
- Christopher Knopick's National Provider Identifier (NPI) is 1144426636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Knopick's specialty?
- Christopher Knopick is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Knopick located?
- Christopher Knopick's practice location on file with NPPES is 975 Sereno Dr, Vallejo, CA 94589-2441.
- What is Christopher Knopick's phone number?
- The practice phone number listed in the NPPES registry for Christopher Knopick is (707) 651-1092.
- Does Christopher Knopick accept Medicare?
- Christopher Knopick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Knopick's NPI active?
- Yes — Christopher Knopick's NPI (1144426636) is active in the NPPES registry as of the last update on 2023-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.