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PROVIDENCE MEDICAL FOUNDATION
NPI 1801443510
Internal Medicine - Hematology & Oncology in Orange, CA

Active since August 19, 2019
1010 W LA VETA AVE STE 200, ORANGE, CA 92868(714) 835-1800(714) 835-1811 Get Directions Write a Review

NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 3, 2026, May 5, 2021, Aug 19, 2019 (3 updates tracked since 2019).

About Providence Medical Foundation NPPES

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

PROVIDENCE MEDICAL FOUNDATION (NPI 1801443510), doing business as St Joseph Heritage Healthcare, is a healthcare organization registered as a hematology & oncology in Orange, California and active in the NPI registry since August 2019. The organization lists Donald W. Anderson, Assistant Secretary Of Enrollments, as its authorized official.

NPPES Registry Identity

NPI1801443510
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NamePROVIDENCE MEDICAL FOUNDATION
Location Address1010 W LA VETA AVE STE 200Orange, CA 92868-4301
Mailing AddressPo Box 31001 - 1920Pasadena, CA 91110-1920 · (714) 449-4800
Phone(714) 835-1800
Fax(714) 835-1811
Organization SubpartNo
Authorized OfficialDonald W. AndersonAssistant Secretary Of Enrollments · (425) 358-9786
Enumeration DateAugust 19, 2019
Last NPPES UpdateFebruary 3, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 3, 2026
✔ NPI 1801443510 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
1010 W LA VETA AVE STE 200, Orange, CA 92868
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Other Names 1

Former Legal Business NameSt Joseph Heritage Healthcare

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Clinicians Billing Medicare Through This Organization

1,692

Medicare enrollment records show 1,692 clinicians reassign Medicare billing to Providence Medical Foundation, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 473 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 61

Nurse Practitioner274
Internal Medicine234
Family Practice232
Pediatric Medicine79
Emergency Medicine73
Hospitalist64
Obstetrics/Gynecology63
Cardiovascular Disease (Cardiology)62
53 other specialties611

Nearest to this location (20)

See all 1,692
Megan Asher, FNP
Nurse Practitioner
NPI 1871091629
1010 W LA VETA AVE STE 610
Orange, CA 92868
(714) 285-2311
✔ PECOSSame address
Sam Huang, M.D.
Medical Oncology
NPI 1841248812
1010 W LA VETA AVE STE 250
Orange, CA 92868
(714) 541-6622
✔ PECOS✔ Accepts MedicareSame address
Jeoung Kang, NP
Nurse Practitioner
NPI 1306324850
1010 W LA VETA AVE STE 200
Orange, CA 92868
(714) 835-1800
✔ PECOS✔ Accepts MedicareSame address
Tariq Mahmood, M.D.
Hematology/Oncology
NPI 1104874171
1010 W LA VETA AVE STE 250
Orange, CA 92868
(714) 541-6622
✔ PECOS✔ Accepts MedicareSame address
Xinyu Nan, M.D.
Hematology/Oncology
NPI 1326458175
1010 W LA VETA AVE STE 250
Orange, CA 92868
(714) 541-6622
✔ PECOS✔ Accepts MedicareSame address
Bradley Noblett, MD
Neurosurgery
NPI 1689788507
1010 WEST LA VETA AVE SUITE 710
Orange, CA 92868
(714) 835-2724
✔ PECOS✔ Accepts MedicareSame address
John Wong, MD
Hematology/Oncology
NPI 1336436500
1010 W LA VETA AVE STE 670
Orange, CA 92868
(562) 725-4367
✔ PECOS✔ Accepts MedicareSame address
Kristen Lefstein
Nurse Practitioner
NPI 1689176109
1120 W LA VETA AVE STE 300
Orange, CA 92868
(714) 598-1745
✔ PECOS✔ Accepts Medicare0.1 mi
Aidan Raney, M.D.
Cardiovascular Disease (Cardiology)
NPI 1962631101
1140 W LA VETA AVE STE 430
Orange, CA 92868
(714) 543-5555
✔ PECOS✔ Accepts Medicare0.1 mi
Hannah Newburg, M.D.
Obstetrics/Gynecology
NPI 1699020792
1140 W LA VETA AVE STE 770
Orange, CA 92868
(714) 835-8715
✔ PECOS✔ Accepts Medicare0.1 mi
Athena Andersen, M.D.
Family Practice
NPI 1396802021
1201 W LA VETA AVE SUITE 700
Orange, CA 92868
(714) 288-3230
✔ PECOS✔ Accepts Medicare0.1 mi
Fatima Ajaz, M.D
Pulmonary Disease
NPI 1477731461
845 W LA VETA AVE STE 108
Orange, CA 92868
(714) 639-2600
✔ PECOS✔ Accepts Medicare0.2 mi
Jacob Jones, D.P.M
Podiatry
NPI 1588951271
845 W LA VETA AVE STE 101
Orange, CA 92868
(714) 997-9595
✔ PECOS✔ Accepts Medicare0.2 mi
Kasra Morshedizadeh, M.D.
Internal Medicine
NPI 1528078672
845 W LA VETA AVE STE 108
Orange, CA 92868
(714) 639-2600
✔ PECOS✔ Accepts Medicare0.2 mi
Mahmoud Moammar, MD
Critical Care (Intensivists)
NPI 1952500696
845 W LA VETA AVE STE 108
Orange, CA 92868
(714) 289-6552
✔ PECOS✔ Accepts Medicare0.2 mi
Timothy Byun, MD
Hematology/Oncology
NPI 1871545012
805 W LA VETA AVE STE 101
Orange, CA 92868
(714) 835-1800
✔ PECOS✔ Accepts Medicare0.2 mi
Ani Bussel, M.D.
Hospitalist
NPI 1104211176
1100 W STEWART DR
Orange, CA 92868
(714) 771-8177
✔ PECOS✔ Accepts Medicare0.2 mi
Yasir Qazi, M.D.
Nephrology
NPI 1326086695
1100 W STEWART DR
Orange, CA 92868
(714) 771-8000
✔ PECOS✔ Accepts Medicare0.2 mi
Paul Ziesmer, MD
Pediatric Medicine
NPI 1649202714
1100 WEST STEWART DRIVE
Orange, CA 92868
(714) 633-9111
✔ PECOS✔ Accepts Medicare0.2 mi
Lars Anker, MD
Neurosurgery
NPI 1962548537
1310 W STEWART DR STE 212
Orange, CA 92868
(714) 835-2724
✔ PECOS✔ Accepts Medicare0.3 mi
See all 1,692 clinicians

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

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 Providence Medical Foundation's NPI number?

The NPI number for Providence Medical Foundation is 1801443510. It was assigned to this organization in the NPPES registry on August 19, 2019. The provider was formerly known as St Joseph Heritage Healthcare.

Where is Providence Medical Foundation located?

Providence Medical Foundation is located at 1010 W La Veta Ave Ste 200, Orange, CA 92868. The listed phone number is (714) 835-1800.

What is Providence Medical Foundation's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Providence Medical Foundation enrolled in Medicare?

Yes. Providence Medical Foundation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Providence Medical Foundation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1,692 clinicians in 61 Medicare specialties reassign their Medicare billing to Providence Medical Foundation. 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. The largest specialties are Nurse Practitioner (274), Internal Medicine (234) and Family Practice (232). Of these, 7 practice at this address and 473 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Providence Medical Foundation was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.