DR. GUILLERMO JIMENEZ M.D.
NPI 1750841227
Internal Medicine in Sacramento, CA

Active since March 21, 2019PECOS EnrolledAccepts Medicare Assignment
4150 V ST STE 3400, SACRAMENTO, CA 95817(916) 734-3565 Get Directions Write a Review

NPPES record last updated: September 3, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 3, 2026, Aug 2, 2022, Mar 21, 2019 (3 updates tracked since 2019).

About Dr. Guillermo Jimenez M.d. NPPES

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

DR. GUILLERMO JIMENEZ M.D. (NPI 1750841227) is an individual internal medicine provider in Sacramento, California, licensed in California (188168) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Paul L Foster School Of Medicine, Texas Tech Univ (2019).

NPPES Registry Identity

NPI1750841227
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. GUILLERMO JIMENEZCredential: M.D.
Location Address4150 V ST STE 3400Sacramento, CA 95817-1460
Mailing Address4150 V St Ste 3400Sacramento, CA 95817-1460 · (916) 734-3565
Sole ProprietorNo
Medical School CMSPaul L Foster School Of Medicine, Texas Tech UnivGraduated 2019
Enumeration DateMarch 21, 2019
Last NPPES UpdateSeptember 3, 20263 updates tracked since enumeration
NPPES CertifiedJune 2, 2022
✔ NPI 1750841227 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 · 188168
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.
4150 V ST STE 3400, Sacramento, CA 95817

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

Dr. Guillermo Jimenez 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 ID2860726486
PECOS Enrollment IDI20250320002195
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 Reassignments

2

Medicare enrollment records show Guillermo Jimenez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pulmonary Disease
354 SANTA FE DR
Encinitas, CA 92024
  • Reassigned Medicare billing, California enrollment
  • 32 clinicians in this Medicare group
Family Medicine
15389 W 91ST DR STE 100
Arvada, CO 80007
  • Reassigned Medicare billing, Colorado enrollment
  • 1,270 clinicians in this Medicare group

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 95817 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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.

Internal Medicine
4150 V ST STE 3400, UNIVERSITY OF CALIFORNIA DAVIS
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST STE 3400
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST STE 3400
SACRAMENTO, CA 95817
Student in an Organized Health Care Education/Training Program
4150 V ST STE 3400
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST STE 3400
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST STE 3400
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST STE 3400
SACRAMENTO, CA 95817
Internal Medicine
4150 V ST STE 3400
SACRAMENTO, CA 95817

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 Guillermo Jimenez's NPI number?

The NPI number for Guillermo Jimenez is 1750841227. It was assigned to this individual provider in the NPPES registry on March 21, 2019.

Where is Guillermo Jimenez located?

Guillermo Jimenez practices at 4150 V St Ste 3400, Sacramento, CA 95817. The listed phone number is (916) 734-3565.

What is Guillermo Jimenez's specialty?

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

Is Guillermo Jimenez enrolled in Medicare?

Yes. Guillermo Jimenez 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 organizations bill Medicare for Guillermo Jimenez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Guillermo Jimenez reassigns Medicare benefits to 2 organizations: Acute Care Associates, Inc (Encinitas, CA) and Intermountain Medical Group Denver, LLC (Arvada, CO). Each 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 Guillermo Jimenez'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 Guillermo Jimenez was last updated on September 3, 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.