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DAVID AUSTIN KARP MD
NPI 1275283780
Internal Medicine in Riverside, CA

Active since March 27, 2022PECOS EnrolledAccepts Medicare Assignment
10800 MAGNOLIA AVE, RIVERSIDE, CA 92505(833) 574-2273 Get Directions Write a Review

NPPES record last updated: August 6, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About David Austin Karp Md NPPES

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

DAVID AUSTIN KARP MD (NPI 1275283780) is an individual internal medicine provider in Riverside, California, licensed in California (A198814) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1275283780
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDAVID AUSTIN KARPCredential: MD
Location Address10800 MAGNOLIA AVERiverside, CA 92505-3043
Mailing Address10800 Magnolia AveRiverside, CA 92505-3043 · (833) 574-2273
Phone(833) 574-2273
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 27, 2022
Last NPPES UpdateAugust 6, 2025
NPPES CertifiedAugust 6, 2025
✔ NPI 1275283780 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 · A198814
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.
10800 MAGNOLIA AVE, Riverside, CA 92505
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

David Austin Karp Md 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 ID8729585922
PECOS Enrollment IDI20251006002647
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92505 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

KAISER PERMANENTE
General Acute Care Hospital
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (951) 353-4988
PATRICK T MC GILL PA
Physician Assistant
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
ROBERT L. RUDEK MD
Surgery
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
RICHARD M. BRADBURNE MD
Internal Medicine (Critical Care Medicine)
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
SUNG JIN JOHN MD
Family Medicine
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
SHELLY C. THIO MD
Internal Medicine
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
GREGORY MARRUJO MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000
REBECCA J SEAWELL NP
Nurse Practitioner
10800 MAGNOLIA AVE
RIVERSIDE, CA 92505
Riverside County (909) 353-2000

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 David Karp's NPI number?

The NPI number for David Karp is 1275283780. It was assigned to this individual provider in the NPPES registry on March 27, 2022.

Where is David Karp located?

David Karp practices at 10800 Magnolia Ave, Riverside, CA 92505. The listed phone number is (833) 574-2273.

What is David Karp's specialty?

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

Is David Karp enrolled in Medicare?

Yes. David Karp 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.

When was this NPI record last updated?

The NPPES record for David Karp was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.