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JASON YANG GAO
NPI 1902435670
Internal Medicine in Alhambra, CA

Active since April 05, 2020PECOS Enrolled
1680 S GARFIELD AVE STE 240, ALHAMBRA, CA 91801(818) 839-5280 Get Directions Write a Review

NPPES record last updated: May 28, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 28, 2025, Apr 6, 2020, Apr 5, 2020 (3 updates tracked since 2020).

About Jason Yang Gao NPPES

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

JASON YANG GAO (NPI 1902435670) is an individual internal medicine provider in Alhambra, California, licensed in California (A185420) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Los Angeles, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2020).

NPPES Registry Identity

NPI1902435670
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJASON YANG GAO
Location Address1680 S GARFIELD AVE STE 240Alhambra, CA 91801-5413
Mailing Address1680 S Garfield Ave Ste 240Alhambra, CA 91801-5413 · (818) 839-5280
Phone(818) 839-5280
Sole ProprietorYes
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2020
Enumeration DateApril 5, 2020
Last NPPES UpdateMay 28, 20253 updates tracked since enumeration
NPPES CertifiedMay 28, 2025
✔ NPI 1902435670 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A185420
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1680 S GARFIELD AVE STE 240, Alhambra, CA 91801
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Secondary Practice Location 1

Location 18700 Beverly Blvd, Suite 5512Los Angeles, CA 90048 · Phone (310) 423-2811

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jason Yang Gao is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3072960160
PECOS Enrollment IDI20231110002233
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 Jason Gao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Astrana Care Hospitalists, A Medical Corporation
Same address
Hospitalist
1680 S GARFIELD AVE # 204
Alhambra, CA 91801
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Apollomed Hospitalists A Medical Corporation
  • 53 clinicians in this Medicare group
NPI 1265658595 (626) 943-6476

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

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
228 services78 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
142 services49 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
60 services59 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
57 services56 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
32 services32 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91801 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.

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 Jason Gao's NPI number?

The NPI number for Jason Gao is 1902435670. It was assigned to this individual provider in the NPPES registry on April 5, 2020.

Where is Jason Gao located?

Jason Gao practices at 1680 S Garfield Ave Ste 240, Alhambra, CA 91801. The listed phone number is (818) 839-5280.

What is Jason Gao's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jason Gao enrolled in Medicare?

Yes. Jason Gao is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jason Gao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jason Gao reassigns Medicare benefits to Astrana Care Hospitalists, A Medical Corporation (Alhambra, 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 Jason Gao'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 Jason Gao was last updated on May 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.