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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

OLIVIA BLAZEK MD
NPI 1285128405
Internal Medicine - Cardiovascular Disease in Philadelphia, PA

Active since June 20, 2018PECOS Enrolled
51 N. 39TH STREET, PHILADELPHIA, PA 19104(215) 662-9990 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2026, Aug 19, 2021, Jul 30, 2021 and 1 more (4 updates tracked since 2018).

About Olivia Blazek Md NPPES

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

OLIVIA BLAZEK MD (NPI 1285128405) is an individual cardiovascular disease provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD495386) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Indianapolis, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1285128405
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameOLIVIA BLAZEKCredential: MD
Location Address51 N. 39TH STREETPhiladelphia, PA 19104-2640
Mailing Address1800 N. Capitol Avenue E371Indianapolis, IN 46202 · (610) 291-7953
Phone(215) 662-9990
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJune 20, 2018
Last NPPES UpdateOctober 5, 20264 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1285128405 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Licenses✔ Licensed in PA · MD495386✔ Licensed in NJ · 25MA13179700
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
51 N. 39TH STREET, Philadelphia, PA 19104
Open in Google Maps ↗

Secondary Practice Location 1

Location 11800 N Capital Ave E371Indianapolis, IN 46202-1443 · Phone (317) 274-0700

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Olivia Blazek Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1254678089
PECOS Enrollment IDI20260918003689
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 19104 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
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
Most-billed visit code 99213
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.

JONATHAN TSUI MD
Ophthalmology
51 N. 39TH STREET
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-8100
DR. SHELLEY ILENE CUTLER-FRANKEL OD
Optometrist
51 N. 39TH STREET
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-8100
SEAN D FOSTER MD
Emergency Medicine
51 N. 39TH STREET, -MYRIN - M01
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-8214
KIM TIEN DINH MD
Ophthalmology
51 N. 39TH STREET
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-8100
DARWIN D DEEN JR. MD
Family Medicine
51 N. 39TH STREET, 7TH FLOOR
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-8777
JENNY C LE PA-C
Physician Assistant (Medical)
51 N. 39TH STREET, 3 SILVERSTEIN
PHILADELPHIA, PA 19104
Philadelphia County (215) 294-9456
DR. MARK DOUGLAS MINTLINE DDS
Dentist
51 N. 39TH STREET, SUITE 106 MEDICAL ARTS BUILDING
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-8060
DAVID H JANG MD
Emergency Medicine
51 N. 39TH STREET
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-8214

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 Olivia Blazek's NPI number?

The NPI number for Olivia Blazek is 1285128405. It was assigned to this individual provider in the NPPES registry on June 20, 2018.

Where is Olivia Blazek located?

Olivia Blazek practices at 51 N. 39th Street, Philadelphia, PA 19104. The listed phone number is (215) 662-9990.

What is Olivia Blazek's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Olivia Blazek enrolled in Medicare?

Yes. Olivia Blazek is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Olivia Blazek was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.