1. Home
  2. Directory
  3. California
  4. Pasadena
  5. Internal Medicine
  6. NPI Profile

JONATHAN AMEEN JALALI MD
NPI 1548840929
Internal Medicine - Allergy & Immunology in Pasadena, CA

Active since April 10, 2021PECOS EnrolledAccepts Medicare Assignment
625 S FAIR OAKS AVE STE 280, PASADENA, CA 91105(626) 304-0070(626) 304-0090 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 3, 2026, Jun 14, 2024, Apr 10, 2021 (3 updates tracked since 2021).

About Jonathan Ameen Jalali Md NPPES

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

JONATHAN AMEEN JALALI MD (NPI 1548840929) is an individual allergy & immunology provider in Pasadena, California, licensed in California (A195416) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of University Of Missouri, Kansas City, School Of Medicine (2021).

NPPES Registry Identity

NPI1548840929
Entity TypeIndividualMale
Primary Taxonomy207RA0201X
Provider Legal NameJONATHAN AMEEN JALALICredential: MD
Location Address625 S FAIR OAKS AVE STE 280Pasadena, CA 91105-2670
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631
Phone(626) 304-0070
Fax(626) 304-0090
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Kansas City, School Of MedicineGraduated 2021
Enumeration DateApril 10, 2021
Last NPPES UpdateAugust 3, 20263 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1548840929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Allergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0201X
License✔ Licensed in CA · A195416
Definition
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.
625 S FAIR OAKS AVE STE 280, Pasadena, CA 91105
Open in Google Maps ↗

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

Jonathan Ameen Jalali Md 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 ID6709287063
PECOS Enrollment IDI20260619001638
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 Jonathan Jalali reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Regents Of The University Of California
17 mi
Internal Medicine
200 MEDICAL PLAZA, SUITE 365,530,420,250,120,214
Los Angeles, CA 90095
  • Reassigned Medicare billing, California enrollment
  • 1,766 clinicians in this Medicare group
NPI 1235107566 (310) 794-1276

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 91105 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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 10

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

SAMUEL JUSTIN SPIEGEL
Ophthalmology (Neuro-ophthalmology)
625 S FAIR OAKS AVE STE 280
PASADENA, CA 91105
Los Angeles County (626) 817-4747
MITCHELL WILLIAM VEITH MD
Family Medicine
625 S FAIR OAKS AVE STE 280
PASADENA, CA 91105
Los Angeles County (626) 304-0070
ALEXANDER PHILLIP SUNG
Internal Medicine
625 S FAIR OAKS AVE STE 280
PASADENA, CA 91105
Los Angeles County (626) 304-0070
ALICE S KIM MD
Family Medicine
625 S FAIR OAKS AVE STE 280
PASADENA, CA 91105
Los Angeles County (626) 304-0070
DR. HUGO YEO-CHIAO HSU MD
Ophthalmology
625 S FAIR OAKS AVE STE 280
PASADENA, CA 91105
Los Angeles County (626) 817-4747
JOSEPHINE CHING-HUI HWANG MD
Internal Medicine (Pulmonary Disease)
625 S FAIR OAKS AVE STE 280
PASADENA, CA 91105
Los Angeles County (626) 304-0070
DAVID THOMAS MACPHERSON M.D.
Ophthalmology
625 S FAIR OAKS AVE STE 280
PASADENA, CA 91105
Los Angeles County (626) 817-4747
DR. JANE WOR CHAN MD
Ophthalmology (Neuro-ophthalmology)
625 S FAIR OAKS AVE STE 280
PASADENA, CA 91105
Los Angeles County (626) 817-4747

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 Jonathan Jalali's NPI number?

The NPI number for Jonathan Jalali is 1548840929. It was assigned to this individual provider in the NPPES registry on April 10, 2021.

Where is Jonathan Jalali located?

Jonathan Jalali practices at 625 S Fair Oaks Ave Ste 280, Pasadena, CA 91105. The listed phone number is (626) 304-0070.

What is Jonathan Jalali's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Is Jonathan Jalali enrolled in Medicare?

Yes. Jonathan Jalali 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 Jonathan Jalali's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Jalali reassigns Medicare benefits to The Regents Of The University Of California (Los Angeles, 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 Jonathan Jalali'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 Jonathan Jalali was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.