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MEDICAL DOCTOR
NPI 1255525937
Family Medicine in Rancho Cucamonga, CA

Active since September 05, 2007CLIA 05D0917675 · Waiver
7777 MILLIKEN AVE STE 350, RANCHO CUCAMONGA, CA 91730(909) 484-9182(909) 476-0050 Get Directions Write a Review

NPPES record last updated: November 5, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Medical Doctor NPPES

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

MEDICAL DOCTOR (NPI 1255525937) is a healthcare organization registered as a family medicine in Rancho Cucamonga, California and active in the NPI registry since September 2007. The organization holds a CLIA Waiver certificate valid through February 26, 2027 and lists Teresa Tirado, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1255525937
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameSANDRA K FORCE-OBROWSKI MD INC.
Location Address7777 MILLIKEN AVE STE 350Rancho Cucamonga, CA 91730-6782
Mailing Address7777 Milliken Ave Ste 350Rancho Cucamonga, CA 91730-6782 · (909) 484-9182 · Fax (909) 476-0050
Phone(909) 484-9182
Fax(909) 476-0050
Organization SubpartNo
Authorized OfficialTeresa TiradoOffice Manager · (909) 484-6623
Enumeration DateSeptember 5, 2007
Last NPPES UpdateNovember 5, 2024
NPPES CertifiedNovember 5, 2024
✔ NPI 1255525937 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 · G066813
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.
7777 MILLIKEN AVE STE 350, Rancho Cucamonga, CA 91730
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Other Names 1

Doing Business AsMedical Doctor

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, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Medical Doctor is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by December 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20041202000747Non-DME Part B · Clinic/Group PracticeDue dateDecember 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Medical Doctor, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Selene Aragon
Nurse Practitioner
NPI 1073204541
7777 MILLIKEN AVE STE 350
Rancho Cucamonga, CA 91730
(909) 484-9182
✔ PECOSSame address
Sandra Force-Obrowski, M.D.
Family Practice
NPI 1023034873
7777 MILLIKEN AVE STE 350
Rancho Cucamonga, CA 91730
(909) 484-9182
✔ PECOS✔ Accepts MedicareSame address
Corliss Shelton, MD
Family Practice
NPI 1487702205
7777 MILLIKEN AVE STE 350
Rancho Cucamonga, CA 91730
(909) 484-9182
✔ PECOS✔ Accepts MedicareSame address
Catherine Fung-Bagama, FNP
Nurse Practitioner
NPI 1437979697
9415 MISSION BLVD STE P
Jurupa Valley, CA 92509
(833) 865-8263
✔ PECOS✔ Accepts Medicare7.6 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0917675

Sandra K Force - Obrowski, MD Inc · Rancho Cucamonga, CA
Active · expires Feb 26, 2027
CLIA Number05D0917675
Laboratory TypePhysician Office
Certificate Effective DateFebruary 27, 2025
Certificate Expiration DateFebruary 26, 2027
Laboratory DirectorSandra K. Force- Obrowski
Laboratory Phone(909) 476-0046
Laboratory LocationSandra K Force - Obrowski, MD Inc7777 Milliken Ave, Suite 350, Rancho Cucamonga, CA 91730
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

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 Sandra K Force-Obrowski MD Inc.'s NPI number?

The NPI number for Sandra K Force-Obrowski MD Inc. is 1255525937. It was assigned to this organization in the NPPES registry on September 5, 2007. The provider is doing business as Medical Doctor.

Where is Sandra K Force-Obrowski MD Inc. located?

Sandra K Force-Obrowski MD Inc. is located at 7777 Milliken Ave Ste 350, Rancho Cucamonga, CA 91730. The listed phone number is (909) 484-9182.

What is Sandra K Force-Obrowski MD Inc.'s specialty?

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

Is Sandra K Force-Obrowski MD Inc. enrolled in Medicare?

Yes. Sandra K Force-Obrowski MD Inc. is registered in the Medicare PECOS enrollment system.

When is Sandra K Force-Obrowski MD Inc.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Sandra K Force-Obrowski MD Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Sandra K Force-Obrowski MD Inc., in Family Practice and Nurse Practitioner. A 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 the clinician's services. Of these, 3 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Sandra K Force-Obrowski MD Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0917675) is associated with this NPI, valid through February 26, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Sandra K Force-Obrowski MD Inc. was last updated on November 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.