Christopher Alfonzo
Psychiatry Physician · Encino, CA
Christopher Alfonzo is a psychiatry physician with a practice address in Encino, California, and NPI 1437120433, issued on Jan 28, 2006. Check the license (California C146907, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christopher Alfonzo
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- C146907 CA
31708 NE
Self-reported in NPPES; status is on the state search - Practice location
- 17412 Ventura Blvd Ste 1000, Encino, CA 91316
- Phone
- (844) 672-4863
- Enumerated
- Jan 28, 2006
- Record last updated
- Mar 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190523000659); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Christopher Alfonzo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C146907Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average psychiatry physician in 2024
1,294 Medicare Part D claims for 79 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Trazodone Hcl79 claims
- Risperidone69 claims
- Clonazepam65 claims
- Duloxetine Hcl58 claims
- Sertraline Hcl57 claims
- Venlafaxine Hcl Er53 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $890.48
33 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- North Platte Nebraska Hospital CorporationNorth Platte, NE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher Alfonzo among 8,673 psychiatry physician records in California
Christopher Alfonzo is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2000 · median 2005 among the 3,295 with a school on file
- Record last updated2020 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 psychiatry physician records list a practice address in Encino
They are 38 of the 3,136 NPPES records with a practice address in Encino, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Encino → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Susan Chun, MDEncino, CA 913161679695506
- Jennifer Cohenmehr, MDEncino, CA 913161710515689
- Christina Friar, M.D.Encino, CA 913161104976588
- Victoria Huang, MDEncino, CA 913161285861542
- Conny Huthsteiner, M.D.Encino, CA 913161548207152
- Bernard Kirzner, M.D.Encino, CA 913161770521189
- Sungeun Lee, M.D.Encino, CA 913161083000277
- Karen MendezEncino, CA 913161992266332
Common questions
What is Christopher Alfonzo's NPI number?
Christopher Alfonzo's National Provider Identifier (NPI) is 1437120433, issued on Jan 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Alfonzo located?
The NPPES record lists a practice address at 17412 Ventura Blvd Ste 1000, Encino, CA, 91316. Phone: (844) 672-4863. Providers update this record themselves, so call before visiting.
How can I verify Christopher Alfonzo's license?
NPPES lists California license number C146907, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher Alfonzo prescribe under Medicare Part D?
In 2024, Christopher Alfonzo had 1,294 Medicare Part D claims for 79 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.