STACY JEAN ZAMBRANO
NPI 1992094171
Internal Medicine in Concord, CA

Q: What is Stacy Zambrano's NPI number?

The NPI number for Stacy Zambrano is 1992094171. It was assigned to this individual provider in the NPPES registry on March 29, 2011.

Q: What is Stacy Zambrano's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Stacy Zambrano was last updated on January 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since March 29, 2011PECOS EnrolledAccepts Medicare Assignment

2000 SIERRA ROAD, CONCORD, CA 94518(925) 363-2000 Get Directions Write a Review

NPPES record last updated: January 4, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 4, 2023, Feb 11, 2022 (2 updates tracked since 2022).

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About Stacy Jean Zambrano NPPES

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

STACY JEAN ZAMBRANO (NPI 1992094171) is an individual internal medicine provider in Concord, California, licensed in California (A125232) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Sacramento, and is a graduate of University Of California, Geffen School Of Medicine (2011).

NPPES Registry Identity

NPI1992094171

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameSTACY JEAN ZAMBRANO

Location Address2000 SIERRA ROADConcord, CA 94518

Mailing Address2000 Sierra RoadConcord, CA 94518 · (925) 363-2000

Phone(925) 363-2000

Sole ProprietorYes

Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2011

Enumeration DateMarch 29, 2011

Last NPPES UpdateJanuary 4, 20232 updates tracked since enumeration

NPPES CertifiedJanuary 3, 2023

✔ NPI 1992094171 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 · A125232

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.

2000 SIERRA ROAD, Concord, CA 94518

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Secondary Practice Location 1

Location 14150 V St # 1110Sacramento, CA 95817-1460 · Phone (619) 370-3316

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Stacy Jean Zambrano 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 ID8426374976

PECOS Enrollment IDI20150227002053

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 Stacy Zambrano reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

La Clinica De La Raza Inc

Same address

Federally Qualified Health Center (FQHC)

2000 SIERRA ROAD
Concord, CA 94518

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

NPI 1538181482 (925) 363-2000

Permanente Medical Group Inc

17 mi

Internal Medicine

975 SERENO DRIVE
Vallejo, CA 94589

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1336222397 (707) 651-1000

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 94518 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

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 10

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

MR. ALIREZA REZAPOUR M.D

Internal Medicine