STEPHANIE OSSOWSKI
NPI 1417301482
Internal Medicine - Hematology & Oncology in San Diego, CA

Q: What is Stephanie Ossowski's NPI number?

The NPI number for Stephanie Ossowski is 1417301482. It was assigned to this individual provider in the NPPES registry on April 15, 2016.

Q: What is Stephanie Ossowski's specialty?

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

Active since April 15, 2016PECOS EnrolledAccepts Medicare Assignment

4647 ZION AVE, SAN DIEGO, CA 92120(877) 236-0333 Get Directions Write a Review

NPPES record last updated: June 20, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 20, 2025, Nov 21, 2022, Jun 17, 2019 (3 updates tracked since 2019).

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About Stephanie Ossowski NPPES

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

STEPHANIE OSSOWSKI (NPI 1417301482) is an individual hematology & oncology provider in San Diego, California, licensed in California (150580) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1417301482

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameSTEPHANIE OSSOWSKI

Location Address4647 ZION AVESan Diego, CA 92120-2507

Mailing Address4647 Zion AveSan Diego, CA 92120-2507

Phone(877) 236-0333

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateApril 15, 2016

Last NPPES UpdateJune 20, 20253 updates tracked since enumeration

NPPES CertifiedJune 20, 2025

✔ NPI 1417301482 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in CA · 150580

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.

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

4647 ZION AVE, San Diego, CA 92120

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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

Stephanie Ossowski 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 ID5496123176

PECOS Enrollment IDI20221130002706

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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Infusion, normal saline solution , 1000 cc J7030

An infusion of normal saline solution, 1000 cc, is a common medical procedure. It involves introducing a saltwater solution into your bloodstream via an intravenous (IV) line. This helps to hydrate your body, correct electrolyte imbalances, and deliver medications if needed.

33 services14 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

16 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92120 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

$184.71 typical visit price

range $62.10 – $184.71

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

Most-billed visit code 99205

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.

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.

ANN MARIE PENA MD

Obstetrics & Gynecology

4647 ZION AVE
SAN DIEGO, CA 92120

San Diego County (619) 528-5000

DR. SHWETA WARNER M.D.

Internal Medicine (Infectious Disease)

4647 ZION AVE
SAN DIEGO, CA 92120

San Diego County (619) 221-6258

DR. MATTHEW JAMES ROOSEVELT M.D.

Internal Medicine

4647 ZION AVE, DEPARTMENT OF HOSPITAL MEDICINE
SAN DIEGO, CA 92120

San Diego County (619) 952-5091

RICHARD FUNG

Pharmacist

4647 ZION AVE
SAN DIEGO, CA 92120

San Diego County (626) 278-2749

ARDIS L TASCHNER CRNA

Nurse Anesthetist, Certified Registered

4647 ZION AVE
SAN DIEGO, CA 92120

San Diego County (619) 528-5000

JEANNE HAGER DONAHUE LCSW

Social Worker (Clinical)

4647 ZION AVE
SAN DIEGO, CA 92120

San Diego County (619) 528-5323

DAVID M. LEVINE MD

Internal Medicine (Pulmonary Disease)

4647 ZION AVE
SAN DIEGO, CA 92120

San Diego County (619) 528-5000

DALE K. LIEU MD

Internal Medicine (Infectious Disease)

4647 ZION AVE
SAN DIEGO, CA 92120

San Diego County (619) 528-5000

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 Stephanie Ossowski's NPI number?

The NPI number for Stephanie Ossowski is 1417301482. It was assigned to this individual provider in the NPPES registry on April 15, 2016.

Where is Stephanie Ossowski located?

Stephanie Ossowski practices at 4647 Zion Ave, San Diego, CA 92120. The listed phone number is (877) 236-0333.

What is Stephanie Ossowski's specialty?

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

Is Stephanie Ossowski enrolled in Medicare?

Yes. Stephanie Ossowski 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 Stephanie Ossowski was last updated on June 20, 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.