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STEPHANNIE LEONG RATCLIFF MD, MS
NPI 1942877501
Family Medicine in Martinez, CA

Active since June 10, 2021PECOS EnrolledAccepts Medicare Assignment
2500 ALHAMBRA AVE, MARTINEZ, CA 94553(925) 370-5200 Get Directions Write a Review

NPPES record last updated: July 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 7, 2025, Jul 9, 2024, Jun 10, 2021 (3 updates tracked since 2021).

About Stephannie Leong Ratcliff Md, Ms NPPES

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

STEPHANNIE LEONG RATCLIFF MD, MS (NPI 1942877501) is an individual family medicine provider in Martinez, California, licensed in California (A183140) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Oakland, and is a graduate of University Of California, San Francisco School Of Medicine (2021).

NPPES Registry Identity

NPI1942877501
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameSTEPHANNIE LEONG RATCLIFFCredential: MD, MS
Location Address2500 ALHAMBRA AVEMartinez, CA 94553-3156
Mailing Address2500 Alhambra AveMartinez, CA 94553-3156
Phone(925) 370-5200
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2021
Enumeration DateJune 10, 2021
Last NPPES UpdateJuly 7, 20253 updates tracked since enumeration
NPPES CertifiedJuly 7, 2025
✔ NPI 1942877501 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A183140
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.
Also ListedHospitalistTaxonomy 208M00000X · License A183140 (CA)
2500 ALHAMBRA AVE, Martinez, CA 94553
Open in Google Maps ↗

Secondary Practice Location 1

Location 1350 Hawthorne Ave Rm 2346Oakland, CA 94609-3108 · Phone (510) 869-6883

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

Stephannie Leong Ratcliff Md, Ms 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 ID941655849
PECOS Enrollment IDI20240319002179
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 Stephannie Ratcliff reassigns Medicare billing to 2 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
Sutter Bay Medical Foundation
9.3 mi
Multi-Specialty
12 CAMINO ENCINAS
Orinda, CA 94563
  • Reassigned Medicare billing, California enrollment
  • 4,479 clinicians in this Medicare group
NPI 1366898538 (510) 204-8180

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
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5200
HYAEJEEN JEON
Student in an Organized Health Care Education/Training Program
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5117
RONALD POWER DDS
Dentist
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5110
DR. SARA JOSEPHINE RICHEY-LUCERO M.D.
General Practice
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5182
CHARLOTTE STANDEFER
Family Medicine
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5110
RICHARD NAGLE
Surgery
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5110
CHRISTIAN MICHAEL EISERT MD, MPH
Otolaryngology
2500 ALHAMBRA AVE
MARTINEZ, CA 94553
Contra Costa County (925) 370-5000
ZOHAIB ABBASI
Psychiatry & Neurology (Psychiatry)
2500 ALHAMBRA AVE, PES
MARTINEZ, CA 94553
Contra Costa County (415) 409-9492

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 Stephannie Ratcliff's NPI number?

The NPI number for Stephannie Ratcliff is 1942877501. It was assigned to this individual provider in the NPPES registry on June 10, 2021.

Where is Stephannie Ratcliff located?

Stephannie Ratcliff practices at 2500 Alhambra Ave, Martinez, CA 94553. The listed phone number is (925) 370-5200.

What is Stephannie Ratcliff's specialty?

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

Is Stephannie Ratcliff enrolled in Medicare?

Yes. Stephannie Ratcliff 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 Stephannie Ratcliff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephannie Ratcliff reassigns Medicare benefits to 2 organizations: Contra Costa County (Martinez, CA) and Sutter Bay Medical Foundation (Orinda, 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 Stephannie Ratcliff'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 Stephannie Ratcliff was last updated on July 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.