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DR. JAY DONALD GRASSELL MD
NPI 1821029687
Hospitalist in Marysville, CA

Active since July 06, 2006PECOS EnrolledAccepts Medicare Assignment
414 G STREET, STE 210, MARYSVILLE, CA 95901(530) 741-1642(530) 741-2056 Get Directions Write a Review

NPPES record last updated: November 19, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 19, 2021, Jun 1, 2017 (2 updates tracked since 2017).

About Dr. Jay Donald Grassell Md NPPES

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

DR. JAY DONALD GRASSELL MD (NPI 1821029687) is an individual hospitalist provider in Marysville, California, licensed in California (G63050) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (1981).

NPPES Registry Identity

NPI1821029687
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. JAY DONALD GRASSELLCredential: MD
Location Address414 G STREET, STE 210Marysville, CA 95901
Mailing AddressPo Box 3067Yuba City, CA 95992-3067 · (530) 751-4784 · Fax (530) 751-4906
Phone(530) 741-1642
Fax(530) 741-2056
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 1981
Enumeration DateJuly 6, 2006
Last NPPES UpdateNovember 19, 20212 updates tracked since enumeration
NPPES CertifiedNovember 19, 2021
✔ NPI 1821029687 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · G63050
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedFamily MedicineTaxonomy 207Q00000X · License G063050 (CA)
414 G STREET, Marysville, CA 95901
Open in Google Maps ↗

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. Jay Donald Grassell 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 ID2668478173
PECOS Enrollment IDI20061005000563
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.

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.
157 services153 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95901 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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

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

HARI OM GOYAL MD AND SHALINI GUPTA MD
Internal Medicine
414 G STREET, SUITE 240
MARYSVILLE, CA 95901
Yuba County (530) 741-2393

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 Jay Grassell's NPI number?

The NPI number for Jay Grassell is 1821029687. It was assigned to this individual provider in the NPPES registry on July 6, 2006.

Where is Jay Grassell located?

Jay Grassell practices at 414 G Street Ste 210, Marysville, CA 95901. The listed phone number is (530) 741-1642.

What is Jay Grassell's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Jay Grassell enrolled in Medicare?

Yes. Jay Grassell 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 Jay Grassell was last updated on November 19, 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.