Christopher Alfonzo
NPI 1437120433 · Psychiatry Physician · Encino, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Alfonzo is a Psychiatry Physician provider in Encino, CA (NPI 1437120433).
Provider details
- NPI number
- 1437120433
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 31708 (NE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
260 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 146 | $88 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 84 | $72 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 30 | $160 |
Typical Medicare-allowed amounts for these services range $72–$160 (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 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 79 | 16 |
| Risperidone | 69 | — |
| Clonazepam | 65 | — |
| Duloxetine Hcl | 58 | 11 |
| Sertraline Hcl | 57 | — |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 53 | — |
| Aripiprazole | 52 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$890 across 33 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
- 2006-01-28
- Last updated
- 2020-03-24
- Certified
- 2020-03-24
Frequently asked questions
- What is Christopher Alfonzo's NPI number?
- Christopher Alfonzo's National Provider Identifier (NPI) is 1437120433, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Alfonzo's specialty?
- Christopher Alfonzo is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Alfonzo located?
- Christopher Alfonzo's practice location on file with NPPES is 17412 Ventura Blvd Ste 1000, Encino, CA 91316-3827.
- What is Christopher Alfonzo's phone number?
- The practice phone number listed in the NPPES registry for Christopher Alfonzo is (844) 672-4863.
- Does Christopher Alfonzo accept Medicare?
- Christopher Alfonzo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Alfonzo's NPI active?
- Yes — Christopher Alfonzo's NPI (1437120433) is active in the NPPES registry as of the last update on 2020-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.