DR. JOANA LOEZA MD
NPI 1477047629
Family Medicine in Martinez, CA

Q: What is Joana Loeza's NPI number?

The NPI number for Joana Loeza is 1477047629. It was assigned to this individual provider in the NPPES registry on June 20, 2018.

Q: What is Joana Loeza's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Joana Loeza was last updated on May 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since June 20, 2018PECOS Enrolled

2500 ALHAMBRA AVE, MARTINEZ, CA 94553(925) 370-5000 Get Directions Write a Review

NPPES record last updated: May 1, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Joana Loeza Md NPPES

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

DR. JOANA LOEZA MD (NPI 1477047629) is an individual family medicine provider in Martinez, California, licensed in California (A164607) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477047629

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameDR. JOANA LOEZACredential: MD

Location Address2500 ALHAMBRA AVEMartinez, CA 94553-3156

Mailing Address2500 Alhambra AveMartinez, CA 94553-3156 · (925) 370-5000

Phone(925) 370-5000

Sole ProprietorNo

Enumeration DateJune 20, 2018

Last NPPES UpdateMay 1, 2025

NPPES CertifiedMay 1, 2025

✔ NPI 1477047629 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · A164607

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

2500 ALHAMBRA AVE, Martinez, CA 94553

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Joana Loeza Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

Medicare enrollment records show Joana Loeza reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Contra Costa County

Same address

General Acute Care Hospital

2500 ALHAMBRA AVE
Martinez, CA 94553

Reassigned Medicare billing, California enrollment
530 clinicians in this Medicare group

NPI 1386719086 (925) 370-5955

Planned Parenthood Shasta Diablo Inc

5.7 mi

Community Health

2185 PACHECO ST
Concord, CA 94520

Reassigned Medicare billing, California enrollment
61 clinicians in this Medicare group

NPI 1982763090 (925) 676-0300

County Of Santa Clara

40 mi

Clinic/Center

2741 MIDDLEFIELD RD
Palo Alto, CA 94306

Reassigned Medicare billing, California enrollment
2,460 clinicians in this Medicare group

NPI 1285228080 (408) 885-5000

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 94553 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

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.

JOHN S HAWKINS

Family Medicine