Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MAGDALENA C ARENAS MD
NPI 1093761249
Internal Medicine - Pulmonary Disease in Pasadena, CA

Q: What is Magdalena Arenas's NPI number?

The NPI number for Magdalena Arenas is 1093761249. It was assigned to this individual provider in the NPPES registry on May 26, 2006.

Q: What is Magdalena Arenas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Magdalena Arenas was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 26, 2006PECOS Enrolled

800 FAIRMOUNT AVE, PASADENA, CA 91105(626) 449-1199(626) 449-1166 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Magdalena C Arenas Md NPPES

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

MAGDALENA C ARENAS MD (NPI 1093761249) is an individual pulmonary disease provider in Pasadena, California, licensed in California (A66947) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1093761249

Entity TypeIndividualFemale

Primary Taxonomy207RP1001X

Provider Legal NameMAGDALENA C ARENASCredential: MD

Location Address800 FAIRMOUNT AVEPasadena, CA 91105-3152

Mailing Address800 Fairmount Ave, Ste 205Pasadena, CA 91105-3150 · (626) 449-1199 · Fax (626) 449-1166

Phone(626) 449-1199

Fax(626) 449-1166

Sole ProprietorNo

Enumeration DateMay 26, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1093761249 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in CA · A66947

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

800 FAIRMOUNT AVE, Pasadena, CA 91105

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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 (PECOS)

Magdalena C Arenas Md 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 91105 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

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