DR. JOSEPH AARON SIEGEL M.D.
NPI 1083935951
Internal Medicine in Oceanside, CA

Q: What is Joseph Siegel's NPI number?

The NPI number for Joseph Siegel is 1083935951. It was assigned to this individual provider in the NPPES registry on June 15, 2010.

Q: What is Joseph Siegel's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Joseph Siegel was last updated on January 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since June 15, 2010PECOS Enrolled

200 MERCY CIRCLE, OCEANSIDE, CA 92055(424) 421-4234 Get Directions Write a Review

NPPES record last updated: January 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Joseph Aaron Siegel M.d. NPPES

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

DR. JOSEPH AARON SIEGEL M.D. (NPI 1083935951) is an individual internal medicine provider in Oceanside, California, licensed in Georgia (65890) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083935951

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. JOSEPH AARON SIEGELCredential: M.D.

Location Address200 MERCY CIRCLEOceanside, CA 92055

Mailing Address200 Mercy CircleOceanside, CA 92055 · (424) 421-4234

Phone(424) 421-4234

Sole ProprietorNo

Enumeration DateJune 15, 2010

Last NPPES UpdateJanuary 17, 2025

NPPES CertifiedJanuary 15, 2025

✔ NPI 1083935951 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in GA · 65890

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.

Also ListedMilitary Health Care ProviderTaxonomy 171000000X · License 65890 (GA)

Also ListedGeneral PracticeTaxonomy 208D00000X · License 65890 (GA)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

200 MERCY CIRCLE, Oceanside, CA 92055

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Other Identifiers 2

Other65890GA · State License To Practice Medicine

Other337634American Board Of Internal Medicine Certification

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Joseph Aaron Siegel M.d. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92055 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

$140.22 typical visit price

range $62.10 – $184.71

Typical copayment $35.05 (range $15.52 – $46.17)

Most-billed visit code 99204

Established Patient

$108.42 typical visit price

range $20.62 – $151.42

Typical copayment $27.10 (range $5.15 – $37.85)

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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

3 suppliers15 claims15 services$37.26 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

4 suppliers11 claims11 services$13.21 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

3 suppliers16 claims16 services$8.55 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

4 suppliers18 claims108 services$1.27 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MARIA J HERRERA PH.D.

Psychologist (Clinical)

200 MERCY CIRCLE
OCEANSIDE, CA 92055

San Diego County (510) 542-0859

SHERRI MARTINEZ LMFT, ADCII

Counselor (Addiction (Substance Use Disorder))

200 MERCY CIRCLE
CAMP PENDLETON, CA 92055

San Diego County (760) 725-0063

DR. ASHLEY BITTLE LCSW, PSY.D.

Psychologist (Clinical)

200 MERCY CIRCLE
CAMP PENDLETON, CA 92055

San Diego County (760) 719-3322

MISS KELLY CAROL PENG D.O

Military Health Care Provider

200 MERCY CIRCLE, EMERGENCY MEDICINE DEPARTMENT
OCEANSIDE, CA 92055

San Diego County (760) 719-3994

CAROLYN STEINLAGE DPT

Physical Therapist

200 MERCY CIRCLE
CAMP PENDLETON, CA 92055

San Diego County (760) 719-3791

SHANE MCGUIRE FMF RECON IDC

Military Health Care Provider (Independent Duty Corpsman)

200 MERCY CIRCLE
OCEANSIDE, CA 92055

San Diego County (760) 725-8912

MELINDA WEE FAH MARTINEZ PA

Physician Assistant

200 MERCY CIRCLE
CAMP PENDLETON, CA 92055

San Diego County (760) 719-4550

ALEXANDER JEFFREY NELSON PA-C

Physician Assistant

200 MERCY CIRCLE
OCEANSIDE, CA 92055

San Diego County (760) 725-1288

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 Joseph Siegel's NPI number?

The NPI number for Joseph Siegel is 1083935951. It was assigned to this individual provider in the NPPES registry on June 15, 2010.

Where is Joseph Siegel located?

Joseph Siegel practices at 200 Mercy Circle, Oceanside, CA 92055. The listed phone number is (424) 421-4234.

What is Joseph Siegel's specialty?

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

Is Joseph Siegel enrolled in Medicare?

Yes. Joseph Siegel is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Joseph Siegel was last updated on January 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.