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MS. JOAN FLORES NP-C
NPI 1891000188
Nurse Practitioner - Women's Health in Alameda, CA

Active since August 11, 2010PECOS Enrolled
2417 CENTRAL AVE, ALAMEDA, CA 94501(510) 752-1190 Get Directions Write a Review

NPPES record last updated: May 5, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ms. Joan Flores Np-c NPPES

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

MS. JOAN FLORES NP-C (NPI 1891000188) is an individual women's health provider in Alameda, California, licensed in California (20436) and active in the NPI registry since August 2010. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1891000188
Entity TypeIndividualFemale
Primary Taxonomy363LW0102X
Provider Legal NameMS. JOAN FLORESCredential: NP-C
Location Address2417 CENTRAL AVEAlameda, CA 94501-4515
Mailing Address2417 Central AveAlameda, CA 94501-4515 · (510) 752-1190
Phone(510) 752-1190
Sole ProprietorNo
Enumeration DateAugust 11, 2010
Last NPPES UpdateMay 5, 2026
NPPES CertifiedMay 5, 2026
✔ NPI 1891000188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Women's HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LW0102X
License✔ Licensed in CA · 20436
Also ListedNurse Practitioner · Primary CareTaxonomy 363LP2300X · License 20436 (CA)
2417 CENTRAL AVE, Alameda, CA 94501
Open in Google Maps ↗

Secondary Practice Locations 2

Location 116110 E 14th StAshland, CA 94578-3002 · Phone (510) 471-5880
Location 29933 MacArthur BlvdOakland, CA 94605-4853 · Phone (510) 981-4100

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Joan Flores Np-c 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

3

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

Lifelong Medical Care
6.1 mi
Geriatric Medicine
3260 SACRAMENTO ST
Berkeley, CA 94702
  • Reassigned Medicare billing, California enrollment
  • 241 clinicians in this Medicare group
NPI 1689670002 (510) 428-4500
Tiburcio Vasquez Health Center, Inc.
8.2 mi
Federally Qualified Health Center (FQHC)
16110 E 14TH ST
San Leandro, CA 94578
  • Reassigned Medicare billing, California enrollment
  • 25 clinicians in this Medicare group
NPI 1720405491 (510) 471-5907
Permanente Medical Group Inc
11 mi
Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1841373800 (415) 833-2200

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 94501 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.

CLARENCE SPARKS
Internal Medicine
2417 CENTRAL AVE
ALAMEDA, CA 94501
Alameda County (510) 752-1190
DAVID R. CRANEY MD
Internal Medicine
2417 CENTRAL AVE
ALAMEDA, CA 94501
Alameda County (510) 749-5731
CHARLIE C. CHU MD
Internal Medicine
2417 CENTRAL AVE
ALAMEDA, CA 94501
Alameda County (510) 749-5731
CHUONG M. DO MD
Internal Medicine
2417 CENTRAL AVE
ALAMEDA, CA 94501
Alameda County (510) 752-1000
DR. JOHN PAKULA MD
Family Medicine
2417 CENTRAL AVE
ALAMEDA, CA 94501
Alameda County (510) 752-1000
ANGELA LAI CHAN MD
Internal Medicine
2417 CENTRAL AVE
ALAMEDA, CA 94501
Alameda County (510) 749-5731
LEO YEE HUNG CHENG MD
Pediatrics
2417 CENTRAL AVE
ALAMEDA, CA 94501
Alameda County (510) 749-5731
LINH T. HOANG MD
Obstetrics & Gynecology
2417 CENTRAL AVE
ALAMEDA, CA 94501
Alameda County (510) 752-1000

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 Joan Flores's NPI number?

The NPI number for Joan Flores is 1891000188. It was assigned to this individual provider in the NPPES registry on August 11, 2010.

Where is Joan Flores located?

Joan Flores practices at 2417 Central Ave, Alameda, CA 94501. The listed phone number is (510) 752-1190.

What is Joan Flores's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.

Is Joan Flores enrolled in Medicare?

Yes. Joan Flores is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joan Flores's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joan Flores reassigns Medicare benefits to 3 organizations: Lifelong Medical Care (Berkeley, CA), Tiburcio Vasquez Health Center, Inc. (San Leandro, CA) and Permanente Medical Group Inc (San Francisco, CA). 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 Joan Flores'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 Joan Flores was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.