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

LAUREN CLARK-OSTROSKI
NPI 1366223760
Nurse Practitioner - Family in Philadelphia, PA

Q: What is Lauren Clark-ostroski's NPI number?

The NPI number for Lauren Clark-ostroski is 1366223760. It was assigned to this individual provider in the NPPES registry on October 11, 2023.

Q: What is Lauren Clark-ostroski's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Active since October 11, 2023PECOS Enrolled

3701 MARKET ST FL 7, PHILADELPHIA, PA 19104(215) 349-5200 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 27, 2026, Oct 24, 2023, Oct 11, 2023 (3 updates tracked since 2023).

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About Lauren Clark-ostroski NPPES

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

LAUREN CLARK-OSTROSKI (NPI 1366223760) is an individual family provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (SP028442) and active in the NPI registry since October 2023. She is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1366223760

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameLAUREN CLARK-OSTROSKI

Location Address3701 MARKET ST FL 7Philadelphia, PA 19104-5508

Mailing Address3701 Market St Fl 7Philadelphia, PA 19104-5508 · (215) 349-5200

Phone(215) 349-5200

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateOctober 11, 2023

Last NPPES UpdateAugust 27, 20263 updates tracked since enumeration

NPPES CertifiedAugust 27, 2026

✔ NPI 1366223760 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in PA · SP028442

3701 MARKET ST FL 7, Philadelphia, PA 19104

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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

Lauren Clark-ostroski 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 ID1658729207

PECOS Enrollment IDI20231121001507

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

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

18 services18 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390111

Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County

Emergency services Birthing friendly

Penn Presbyterian Medical Center

Acute Care Hospitals · Philadelphia, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number390223

Location51 North 39th StreetPhiladelphia, PA 19104 · Philadelphia County

Emergency services

Pennsylvania Hospital

Acute Care Hospitals · Philadelphia, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390226

Location800 Spruce StreetPhiladelphia, PA 19107 · Philadelphia County

Emergency services Birthing friendly

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

$92.69 typical visit price

range $59.88 – $180.99

Typical copayment $23.17 (range $14.97 – $45.24)

Most-billed visit code 99203

Established Patient

$105.21 typical visit price

range $19.30 – $147.29

Typical copayment $26.30 (range $4.82 – $36.82)

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 5

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

LOUISA M AGYEMAN DNP, RN, FNP-BC

Nurse Practitioner (Family)