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

HOSPITALIST COMPANY
NPI 1043170491
Internal Medicine in Modesto, CA

Active since November 17, 2025
1300 K ST FL 2, MODESTO, CA 95354(971) 351-7277(800) 887-1986 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 14, 2026, Aug 5, 2026, Jan 29, 2026 and 2 more (5 updates tracked since 2025).

About Hospitalist Company NPPES

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

HOSPITALIST COMPANY (NPI 1043170491), doing business as Blue Rhine Clinic, is a healthcare organization registered as an internal medicine in Modesto, California and active in the NPI registry since November 2025. The organization lists Muhammad Azam Gill, Medical Director/president, as its authorized official.

NPPES Registry Identity

NPI1043170491
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameHOSPITALIST COMPANY
Location Address1300 K ST FL 2Modesto, CA 95354-0928
Mailing Address1300 K St Fl 2Modesto, CA 95354-0928 · (971) 351-7277 · Fax (800) 887-1986
Phone(971) 351-7277
Fax(800) 887-1986
Organization SubpartNo
Authorized OfficialMuhammad Azam GillMedical Director/president · (971) 351-7277
Enumeration DateNovember 17, 2025
Last NPPES UpdateAugust 14, 20265 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
✔ NPI 1043170491 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
Also ListedInternal Medicine · Addiction MedicineTaxonomy 207RA0401X
Also ListedPreventive Medicine · Obesity MedicineTaxonomy 2083B0002X
1300 K ST FL 2, Modesto, CA 95354
Open in Google Maps ↗

Other Names 1

Doing Business AsBlue Rhine Clinic

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hospitalist Company is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Hospitalist Company, which bills Medicare for the services this clinician delivers.

Clinician (1)

Muhammad Gill, MD
Internal Medicine
NPI 1851554372
2108 N ST
Sacramento, CA 95816
(971) 351-7277
✔ PECOS✔ Accepts Medicare65 mi

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

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 Hospitalist Company's NPI number?

The NPI number for Hospitalist Company is 1043170491. It was assigned to this organization in the NPPES registry on November 17, 2025. The provider is doing business as Blue Rhine Clinic.

Where is Hospitalist Company located?

Hospitalist Company is located at 1300 K St Fl 2, Modesto, CA 95354. The listed phone number is (971) 351-7277.

What is Hospitalist Company's specialty?

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

Is Hospitalist Company enrolled in Medicare?

Yes. Hospitalist Company is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hospitalist Company?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Hospitalist Company. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Hospitalist Company was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.