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DAGMARA OLSEN MD
NPI 1356912059
Internal Medicine in Pico Rivera, CA

Active since July 05, 2021PECOS EnrolledAccepts Medicare Assignment
8337 TELEGRAPH RD STE 102, PICO RIVERA, CA 90660(562) 445-3181 Get Directions Write a Review

NPPES record last updated: July 15, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dagmara Olsen Md NPPES

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

DAGMARA OLSEN MD (NPI 1356912059) is an individual internal medicine provider in Pico Rivera, California, licensed in California (193842) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1356912059
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDAGMARA OLSENCredential: MD
Location Address8337 TELEGRAPH RD STE 102Pico Rivera, CA 90660-4933
Mailing Address8337 Telegraph Rd Ste 102Pico Rivera, CA 90660-4933
Phone(562) 445-3181
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJuly 5, 2021
Last NPPES UpdateJuly 15, 2025
NPPES CertifiedJuly 15, 2025
✔ NPI 1356912059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CA · 193842✔ Licensed in MS · T-4368
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.
8337 TELEGRAPH RD STE 102, Pico Rivera, CA 90660
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Other Identifiers 2

OtherT-4368MS · Medical License
OtherT-4368MS · Medical Board Of Ms

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

Dagmara Olsen 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 ID6800317983
PECOS Enrollment IDI20250305001875
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 90660 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.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RONALD E. PINKERTON, M.D. A MEDICAL CORPORATION
Family Medicine
8337 TELEGRAPH RD STE 102
PICO RIVERA, CA 90660
Los Angeles County (562) 445-3181
PROHEALTH PARTNERS, A MEDICAL GROUP, INC.
Internal Medicine
8337 TELEGRAPH RD STE 102
PICO RIVERA, CA 90660
Los Angeles County (562) 445-3181

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 Dagmara Olsen's NPI number?

The NPI number for Dagmara Olsen is 1356912059. It was assigned to this individual provider in the NPPES registry on July 5, 2021.

Where is Dagmara Olsen located?

Dagmara Olsen practices at 8337 Telegraph Rd Ste 102, Pico Rivera, CA 90660. The listed phone number is (562) 445-3181.

What is Dagmara Olsen's specialty?

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

Is Dagmara Olsen enrolled in Medicare?

Yes. Dagmara Olsen 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 Dagmara Olsen was last updated on July 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.