DR. JASON SMITH DAY M.D.
NPI 1730235540
Emergency Medicine in San Rafael, CA

Active since January 25, 2007PECOS EnrolledAccepts Medicare Assignment
99 MONTECILLO RD, SAN RAFAEL, CA 94903(415) 408-8012 Get Directions Write a Review

NPPES record last updated: May 20, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: May 20, 2025, Feb 11, 2022, Aug 27, 2018 (3 updates tracked since 2018).

About Dr. Jason Smith Day M.d. NPPES

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

DR. JASON SMITH DAY M.D. (NPI 1730235540) is an individual emergency medicine provider in San Rafael, California, licensed in California (A96623) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2005).

NPPES Registry Identity

NPI1730235540
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JASON SMITH DAYCredential: M.D.
Location Address99 MONTECILLO RDSan Rafael, CA 94903-3308
Mailing Address99 Montecillo RdSan Rafael, CA 94903-3308 · (415) 408-8012
Sole ProprietorYes
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2005
Enumeration DateJanuary 25, 2007
Last NPPES UpdateMay 20, 20253 updates tracked since enumeration
NPPES CertifiedMay 20, 2025
NPI 1730235540 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CA · A96623
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
99 MONTECILLO RD, San Rafael, CA 94903

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Jason Smith Day M.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 ID3870906639
PECOS Enrollment IDI20210115001581
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.

Areas of Expertise CMS Part B claims

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
22 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94903 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
$104.67 typical visit price
range $69.07 – $202.63
Typical copayment $26.16 (range $17.26 – $50.65)
Most-billed visit code 99203
Established Patient
$119.61 typical visit price
range $23.44 – $166.64
Typical copayment $29.90 (range $5.86 – $41.66)
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.

Social Worker (Clinical)
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Dermatology
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Anesthesiology
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Radiology (Diagnostic Radiology)
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Hospitalist
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Speech-Language Pathologist
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Internal Medicine
99 MONTECILLO RD
SAN RAFAEL, CA 94903
Nurse Anesthetist, Certified Registered
99 MONTECILLO RD
SAN RAFAEL, CA 94903

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 Day's NPI number?

The NPI number for Jason Day is 1730235540. It was assigned to this individual provider in the NPPES registry on January 25, 2007.

Where is Jason Day located?

Jason Day practices at 99 Montecillo Rd, San Rafael, CA 94903. The listed phone number is (415) 408-8012.

What is Jason Day's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Jason Day enrolled in Medicare?

Yes. Jason Day 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.

When was this NPI record last updated?

The NPPES record for Jason Day was last updated on May 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.