DR. JEREMY A CHOLFIN M.D., PH.D.
NPI 1376787424
Psychiatry & Neurology - Neurology in Porter Ranch, CA

Active since April 20, 2009PECOS EnrolledAccepts Medicare Assignment
19950 RINALDI ST, SUITE 300, PORTER RANCH, CA 91326(818) 271-2400(818) 271-2401 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Jeremy A Cholfin M.d., Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JEREMY A CHOLFIN M.D., PH.D. (NPI 1376787424) is an individual neurology provider in Porter Ranch, California, licensed in California (A115234) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2009).

NPPES Registry Identity

NPI1376787424
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. JEREMY A CHOLFINCredential: M.D., PH.D.
Location Address19950 RINALDI ST, SUITE 300Porter Ranch, CA 91326-4141
Mailing Address19950 Rinaldi St, Suite 300Porter Ranch, CA 91326-4141 · (818) 271-2400 · Fax (818) 271-2401
Fax(818) 271-2401
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2009
Enumeration DateApril 20, 2009
Last NPPES UpdateNovember 29, 2021
✔ NPI 1376787424 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · A115234
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
19950 RINALDI ST, Porter Ranch, CA 91326

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jeremy A Cholfin M.d., Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5597990929
PECOS Enrollment IDI20131021000726
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Jeremy Cholfin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
8999 BALBOA BLVD
Northridge, CA 91325
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91326 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Rheumatology)
19950 RINALDI ST
PORTER RANCH, CA 91326
Hospitalist
19950 RINALDI ST
PORTER RANCH, CA 91326
Internal Medicine
19950 RINALDI ST
PORTER RANCH, CA 91326
Urology
19950 RINALDI ST
PORTER RANCH, CA 91326
Family Medicine
19950 RINALDI ST
PORTER RANCH, CA 91326
Internal Medicine (Cardiovascular Disease)
19950 RINALDI ST, SUITE 300
PORTER RANCH, CA 91326
Urology (Urogynecology and Reconstructive Pelvic Surgery)
19950 RINALDI ST
PORTER RANCH, CA 91326
Family Medicine
19950 RINALDI ST
PORTER RANCH, CA 91326

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jeremy Cholfin's NPI number?

The NPI number for Jeremy Cholfin is 1376787424. It was assigned to this individual provider in the NPPES registry on April 20, 2009.

Where is Jeremy Cholfin located?

Jeremy Cholfin practices at 19950 Rinaldi St Suite 300, Porter Ranch, CA 91326. The listed phone number is (818) 271-2400.

What is Jeremy Cholfin's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Jeremy Cholfin enrolled in Medicare?

Yes. Jeremy Cholfin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Jeremy Cholfin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeremy Cholfin reassigns Medicare benefits to Southern California Permanente Medical Group (Northridge, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jeremy Cholfin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jeremy Cholfin was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.